Provided is a novel combination of polyvinyl alcohol polymer (for example, a composition containing a PVA polymer). A polyvinyl alcohol polymer (A) having a saponification degree of 70 mol % or less and an ionic surfactant are combined. Such a combination (such as a composition) can be suitably used as a dispersion stabilizer (dispersant) or the like.
C08L 29/04 - Alcool polyvinyliqueHomopolymères ou copolymères d'esters partiellement hydrolysés d'alcools non saturés avec des acides carboxyliques saturés
C08F 2/44 - Polymérisation en présence d'additifs, p. ex. plastifiants, matières colorantes, charges
C09J 11/06 - Additifs non macromoléculaires organiques
C09J 129/04 - Alcool polyvinyliqueHomopolymères ou copolymères partiellement hydrolysés d'esters d'alcools non saturés avec des acides carboxyliques saturés
Provided is a novel combination of polyvinyl alcohol polymer (for example, a composition containing a PVA polymer). A polyvinyl alcohol polymer (A) having a polymerizable unsaturated bond and a surfactant are combined. Such a combination (such as a composition) can be suitably used as a dispersion stabilizer (dispersant) or the like.
C08L 29/04 - Alcool polyvinyliqueHomopolymères ou copolymères d'esters partiellement hydrolysés d'alcools non saturés avec des acides carboxyliques saturés
C08F 2/44 - Polymérisation en présence d'additifs, p. ex. plastifiants, matières colorantes, charges
Provided are a polyvinyl alcohol polymer and the like. The polyvinyl alcohol polymer has an ionic skeleton and satisfies at least one requirement selected from the following requirements 1, 2, and 3. Requirement 1: the water-insoluble fraction is 30 mass% or less. Requirement 2: the transparency (430 nm) of a 4 mass% aqueous solution is 1% or more. Requirement 3: the YI value of a 4 mass% dimethyl sulfoxide solution is 30 or less.
C09J 129/04 - Alcool polyvinyliqueHomopolymères ou copolymères partiellement hydrolysés d'esters d'alcools non saturés avec des acides carboxyliques saturés
Provided is a water-soluble film which is for packaging chemicals and contains a polyvinyl alcohol resin, and with which a molded capsule can maintain the height thereof with as much tension as possible even after storage while preventing adhesion between films and bleed-out of a plasticizer. This water-soluble film contains a water-soluble resin obtained by blending a plasticizer (B) with a polyvinyl alcohol resin (A), wherein: the polyvinyl alcohol resin (A) has a degree of saponification of 85-96 mol%, a 4% aqueous solution viscosity of 6-50 mPa∙s, and a maleic acid-modified monomer unit amount of 0.2-1.6 mol%; the blending amount of the plasticizer (B) is 5-50 parts by mass with respect to 100 parts by mass of the polyvinyl alcohol resin (A); and the moisture content of said film is 4.0-10.0 mass%.
A61K 47/10 - AlcoolsPhénolsLeurs sels, p. ex. glycérolPolyéthylène glycols [PEG]PoloxamèresAlkyléthers de PEG/POE
A61K 47/24 - Composés organiques, p. ex. hydrocarbures naturels ou synthétiques, polyoléfines, huile minérale, gelée de pétrole ou ozocérite contenant des atomes autres que des atomes de carbone, d'hydrogène, d'oxygène, d'halogènes, d'azote ou de soufre, p. ex. cyclométhicone ou phospholipides
A61K 47/32 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone, p. ex. carbomères
C08L 29/04 - Alcool polyvinyliqueHomopolymères ou copolymères d'esters partiellement hydrolysés d'alcools non saturés avec des acides carboxyliques saturés
Provided is a novel composition, in particular, a composition comprising an inorganic-organic hybrid compound. The composition comprises an inorganic-organic hybrid compound and a hydrophobic resin, wherein the inorganic-organic hybrid compound comprises a polyvinyl alcohol-based resin to which a metal oxide is chemically bonded.
H01M 50/449 - Séparateurs, membranes ou diaphragmes caractérisés par le matériau ayant une structure en couches
H01M 50/489 - Séparateurs, membranes, diaphragmes ou éléments d’espacement dans les cellules caractérisés par leurs propriétés physiques, p. ex. degré de gonflement, hydrophilicité ou propriétés pour court-circuiter
6.
DISPERSION STABILIZER AND METHOD FOR PRODUCING VINYL-BASED POLYMER
Provided are a novel dispersant for suspension polymerization, and the like. The dispersion stabilizer for suspension polymerization includes a polyvinyl alcohol-based polymer (A) having an acetal skeleton having an ionic group.
C08F 293/00 - Composés macromoléculaires obtenus par polymérisation sur une macromolécule contenant des groupes capables d'amorcer la formation de nouvelles chaînes polymères rattachées exclusivement à une ou aux deux extrémités de la macromolécule de départ
C08L 29/04 - Alcool polyvinyliqueHomopolymères ou copolymères d'esters partiellement hydrolysés d'alcools non saturés avec des acides carboxyliques saturés
C08L 53/00 - Compositions contenant des copolymères séquencés possédant au moins une séquence d'un polymère obtenu par des réactions ne faisant intervenir que des liaisons non saturées carbone-carboneCompositions contenant des dérivés de tels polymères
8.
POLYVINYL ALCOHOL POLYMER AND METHOD FOR PRODUCING THE SAME
Provided are a polyvinyl alcohol polymer and the like. The polyvinyl alcohol polymer has an acetal skeleton having an ionic group and satisfies at least one requirement selected from the following (1), (2) and (3). (1) The YI value in a 4 mass% dimethyl sulfoxide solution is 10 or less; (2) the transparency (20° C, 430 nm) in a 4 mass% aqueous solution is 2% or more; and (3) the water insoluble fraction is 20 mass% or less.
C08F 16/38 - Homopolymères ou copolymères de composés contenant un ou plusieurs radicaux aliphatiques non saturés, chaque radical ne contenant qu'une seule liaison double carbone-carbone et l'un au moins étant terminé par un radical alcool, éther, aldéhyde, cétone, acétal ou cétal par un radical acétal ou cétal
C09J 129/14 - Homopolymères ou copolymères d'acétals ou de cétals obtenus par polymérisation d'acétals ou de cétals non saturés ou par post-traitement de polymères d'alcools non saturés
C09K 23/52 - Résines naturelles ou synthétiques ou leurs sels
9.
POLYVINYL ALCOHOL POLYMER, DISPERSION STABILIZER, AND METHOD FOR PRODUCING VINYL POLYMER
Provided is a polyvinyl alcohol polymer. The polyvinyl alcohol polymer satisfies requirements 1 and 2. Requirement 1: a polymerizable unsaturated bond is included. Requirement 2: the temperature at which the weight loss rate determined by thermogravimetric measurement is more than 0.5%/min in a temperature range of 150°C or higher is 255°C or higher.
The present invention provides a polyvinyl alcohol polymer and the like. The polyvinyl alcohol polymer satisfies the requirement 1 described below, and the requirement 2 and/or the requirement 3 described below. Requirement 1: The polyvinyl alcohol polymer has a polymerizable unsaturated bond. Requirement 2: A 4 mass% aqueous solution of the polyvinyl alcohol polymer has a YI of 13 or less. Requirement 3: The YI is 18 or less.
Provided is a novel device or a novel implantation device. The implantation device is one of the following: (1) an implantation device comprising a material (A) having a density of 12 mg/cm3 or more and a dissolution rate of 80% or less as determined after immersion of the material (A) in physiological saline at 37° C. for 24 hours; and (2) an implantation device comprising a material (A) having a dissolution rate of 80% or less as determined after immersion of the material (A) in physiological saline at 37° C. for 24 hours and a ratio of X/Y of 0.24 or more wherein X is a density (mg/cm3) of the material (A) and Y is a degree of swelling of the material (A) expressed in terms of fold increase as determined after immersion of the material (A) in physiological saline at 37° C. for 60 minutes.
A61L 27/44 - Matériaux composites, c.-à-d. en couches ou contenant un matériau dispersé dans une matrice constituée d'un matériau analogue ou différent comportant une matrice macromoléculaire
Provided is a novel device (implantation device) containing a gelatin. The implantation device is made of a bioabsorbable non-woven fabric containing a gelatin.
National University Corporation Tohoku University (Japon)
Inventeur(s)
Oharuda, Akinobu
Kimura, Yoshihiro
Goto, Masafumi
Abrégé
A cell or tissue embedding device having an aqueous gel serving as an immunoisolation layer, the aqueous gel containing, as components thereof, a denatured polyvinyl alcohol resin having an activated carbonyl group and a crosslinking agent is highly capable of supplying a physiologically active substance.
Provided is a novel composition (a composition containing an inorganic/organic hybrid compound). The composition contains: an inorganic/organic hybrid compound in which a metal oxide is chemically bonded to a polyvinyl alcohol-based resin; and a hydrophobic resin.
C08L 29/04 - Alcool polyvinyliqueHomopolymères ou copolymères d'esters partiellement hydrolysés d'alcools non saturés avec des acides carboxyliques saturés
C08F 8/42 - Introduction d'atomes métalliques ou de groupes contenant des atomes métalliques
H01M 50/446 - Matériau composite constitué d’un mélange de matériaux organiques et inorganiques
H01M 50/451 - Séparateurs, membranes ou diaphragmes caractérisés par le matériau ayant une structure en couches comprenant des couches de matériau organique uniquement et des couches comprenant un matériau inorganique
A novel sustained-release base is provided. The sustained-release base is a combination of a polyvinyl alcohol-based polymer and a low-substituted hydroxypropyl cellulose.
C08L 29/04 - Alcool polyvinyliqueHomopolymères ou copolymères d'esters partiellement hydrolysés d'alcools non saturés avec des acides carboxyliques saturés
A61K 47/32 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone, p. ex. carbomères
The present invention provides a novel angiogenesis device. The angiogenesis device comprises an angiogenic component and a polymer. The polymer may comprise, for example, at least one or more polyvinyl alcohol resins (A) selected from a modified polyvinyl alcohol resin having an active carbonyl group (A1), a polyvinyl alcohol resin having a triad syndiotacticity of 32 to 40% (A2), and a polyvinyl alcohol resin having a degree of saponification of 97 mol % or more (A3).
The present invention provides a novel angiogenesis device. The angiogenesis device comprises an angiogenic component and a polymer, and is used to induce angiogenesis at a site for implantation of a cell- or tissue-containing device. The polymer may comprise, for example, at least one or more polyvinyl alcohol resins (A) selected from a modified polyvinyl alcohol resin having an active carbonyl group (A1), a polyvinyl alcohol resin having a triad syndiotacticity of 32 to 40% (A2), and a polyvinyl alcohol resin having a degree of saponification of 97 mol % or more (A3).
A61K 35/28 - Moelle osseuseCellules souches hématopoïétiquesCellules souches mésenchymateuses de toutes origines, p. ex. cellules souches dérivées de tissu adipeux
A61P 3/10 - Médicaments pour le traitement des troubles du métabolisme de l'homéostase du glucose de l'hyperglycémie, p. ex. antidiabétiques
A61K 47/32 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone, p. ex. carbomères
Provided is a novel polishing composition. The polishing composition comprises a water-soluble polymer at least comprising a vinyl alcohol-based resin having a side-chain group of 3 carbon atoms or more.
Provided is a novel polishing composition. The polishing composition comprises a water-soluble polymer that at least comprises a vinyl alcohol-based resin of which a 4% aqueous solution has a viscosity of 15 mPa·s or more at 20° C.
Provided are a novel dispersion stabilizer for suspension polymerization and the like. The dispersant stabilizer for suspension polymerization includes (A) a polyvinyl alcohol polymer having (a) an acetal skeleton with a polymerizable unsaturated bond and (b) an ionic skeleton.
The present invention provides a new dispersant or the like for suspension polymerization. This dispersion stabilizer for suspension polymerization contains a polyvinyl alcohol-based polymer (A) including an acetal skeleton that has an ionic group.
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
05 - Produits pharmaceutiques, vétérinaires et hygièniques
Produits et services
Polyvinyl alcohol resins; chemicals for industrial use; glue
and adhesives for industrial purposes; polymer resins for
coating pharmaceutical tablets, granules and capsules;
coating agents for pharmaceuticals and medicines in tablet
form in the nature of industrial chemicals; unprocessed
plastics in primary form; excipients for use in the
manufacture of pharmaceuticals; carrier excipients for
pharmaceutical preparations; excipients. Pharmaceutical preparations; chemicals and chemical
preparations for medical and pharmaceutical purposes;
chemical reagents for medical purposes; chemical
preparations for veterinary purposes; chemical reagents for
veterinary purposes; medicinal preparations for the mouth in
the form of drops, capsules, tablets or compressed tablets;
capsules for medicines; drug delivery agents in the form of
dissolvable films that facilitate the delivery of
pharmaceutical preparations; drug delivery agents in the
form of coatings for tablets that facilitate the delivery of
pharmaceutical preparations; drug delivery agents; dietary
supplements for humans and animals.
Provided is a novel device (transplantation device). The transplantation device is either (1) or (2). (1) A transplantation device containing a material (A) having a density of 12 mg/cm3or higher, and having a dissolution rate of 80% or less after immersion for 24 hours in a normal saline solution at 37°C. (2) A transplantation device containing a material (A) in which the ratio of X/Y is at least 0.24, with X (mg/cm3) being the density and Y (times) being the degree of swelling after immersion for 60 minutes in a normal saline solution at 37°C, and which has a dissolution rate of 80% or less after immersion for 24 hours in a normal saline solution at 37°C.
A61L 27/16 - Matériaux macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
A61L 27/36 - Matériaux pour prothèses ou pour revêtement de prothèses contenant des constituants de constitution indéterminée ou leurs produits réactionnels
A61L 27/44 - Matériaux composites, c.-à-d. en couches ou contenant un matériau dispersé dans une matrice constituée d'un matériau analogue ou différent comportant une matrice macromoléculaire
A61L 27/50 - Matériaux caractérisés par leur fonction ou leurs propriétés physiques
Provided is a novel device (transplant device) that contains gelatine. The transplant device is formed using a bioabsorbable non-woven fabric containing gelatine.
A61L 27/16 - Matériaux macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
A61L 27/36 - Matériaux pour prothèses ou pour revêtement de prothèses contenant des constituants de constitution indéterminée ou leurs produits réactionnels
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
05 - Produits pharmaceutiques, vétérinaires et hygièniques
Produits et services
Unprocessed plastics, namely, plastics in primary form, namely, polyvinyl alcohol resins Chemicals for medical and pharmaceutical purposes, namely, drug delivery agents in the form of a coating for tablets and capsules that facilitate the delivery of a wide range of pharmaceuticals, drug delivery agents in the form of capsules that provide controlled release of the active ingredients for a wide variety of pharmaceuticals, and drug delivery agents in the form of tablets that provide controlled release of the active ingredients for a wide variety of pharmaceuticals
01 - Produits chimiques destinés à l'industrie, aux sciences ainsi qu'à l'agriculture
05 - Produits pharmaceutiques, vétérinaires et hygièniques
Produits et services
(1) Unprocessed synthetic resins, namely, polyvinyl alcohol resins; chemicals for industrial use, namely, vinyl carboxylate, namely, vinyl acetate, vinyl propionate, vinyl butyrate, vinyl caproate, vinyl caprylate, vinyl caprate, vinyl laurate, vinyl myristate, vinyl palmitate, vinyl stearate, vinyl cyclohexane-carboxylate, vinyl pivalate, vinyl octoate, vinyl monochloroacetate, divinyl adipate, divinyl glutarate, vinyl methacrylate, vinyl crotonate, vinyl sorbate, vinyl benzoate and vinyl cinnamate; polyvinyl alcohol resins for use as an adhesive binder in the manufacture of pharmaceuticals; polymer resins for coating pharmaceutical tablets, granules and capsules; coating agents for pharmaceuticals and medicines in tablet form in the nature of industrial chemicals; unprocessed plastics in primary form; polyvinyl alcohol resins used as excipient agents in the manufacture of pharmaceuticals.
(2) Chemicals and chemical preparations, namely, drug delivery agents in the form of a coating for tablets and capsules that facilitate the delivery of a wide range of pharmaceuticals, drug delivery agents in the form of capsules that provide controlled release of the active ingredients for a wide variety of pharmaceuticals, and drug delivery agents in the form of tablets that provide controlled release of the active ingredients for a wide variety of pharmaceuticals; chemical diagnostic reagents for medical purposes; chemical preparations for veterinary purposes, namely, drug delivery agents in the form of a coating for tablets and capsules that facilitate the delivery of a wide range of pharmaceuticals, drug delivery agents in the form of capsules that provide controlled release of the active ingredients for a wide variety of pharmaceuticals, and drug delivery agents in the form of tablets that provide controlled release of the active ingredients for a wide variety of pharmaceuticals; chemical diagnostic reagents for veterinary purposes; capsules sold empty for pharmaceuticals; drug delivery agents in the form of dissolvable films that facilitate the delivery of pharmaceutical preparations; drug delivery agents in the form of coatings for tablets that facilitate the delivery of pharmaceutical preparations; dietary supplements consisting of vitamins and minerals for humans and animals.
C08L 29/04 - Alcool polyvinyliqueHomopolymères ou copolymères d'esters partiellement hydrolysés d'alcools non saturés avec des acides carboxyliques saturés
A novel binder is provided. The binder comprises a polyvinyl alcohol-based polymer which has an average saponification value of 85.0 mol % to 89.0 mol % as measured according to JIS K6726 and meets requirement (A): a fluid prepared by adding 130.0 mL of 1-propanol to 100.0 g of a 5.0% by mass aqueous solution of the polyvinyl alcohol-based polymer has a transparency of 80.0% or less at 20° C.; and/or requirement (B): a supernatant from a fluid prepared by adding 230.0 mL of 1-propanol to 100.0 g of a 5.0% by mass aqueous solution of the polyvinyl alcohol-based polymer has a concentration of 0.65% by mass or more at 20° C.
C09D 129/04 - Alcool polyvinyliqueHomopolymères ou copolymères partiellement hydrolysés d'esters d'alcools non saturés avec des acides carboxyliques saturés
A61K 9/28 - DragéesPilules ou comprimés avec revêtements
A61K 47/32 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone, p. ex. carbomères
A61K 31/4422 - 1,4-Dihydropyridines, p. ex. nifédipine, nicardipine
A61K 31/522 - Purines, p. ex. adénine ayant des groupes oxo liés directement à l'hétérocycle, p. ex. hypoxanthine, guanine, acyclovir
A61K 31/525 - Iso-alloxazines, p. ex. riboflavines, vitamine B2
A61K 47/10 - AlcoolsPhénolsLeurs sels, p. ex. glycérolPolyéthylène glycols [PEG]PoloxamèresAlkyléthers de PEG/POE
A61K 47/26 - Hydrates de carbone, p. ex. polyols ou sucres alcoolisés, sucres aminés, acides nucléiques, mono-, di- ou oligosaccharidesLeurs dérivés, p. ex. polysorbates, esters d’acide gras de sorbitan ou glycyrrhizine
Provided is a novel sustained release base. The sustained release base is a combination of a polyvinyl alcohol polymer and a low degree of substitution hydroxypropyl cellulose.
A61K 47/32 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone, p. ex. carbomères
Provided is a novel neovascularization device. The neovascularization device contains a neovascularization component and a polymer. The polymer optionally contains, for instance, at least one or more polyvinyl alcohol resins (A) selected from: a modified polyvinyl alcohol resin (A1) having an active carbonyl group; a polyvinyl alcohol resin (A2) having triad syndiotacticity of 32 to 40%; and polyvinyl alcohol resin (A3) having a degree of saponification of 97 mol% or greater.
A61K 35/28 - Moelle osseuseCellules souches hématopoïétiquesCellules souches mésenchymateuses de toutes origines, p. ex. cellules souches dérivées de tissu adipeux
A61K 45/00 - Préparations médicinales contenant des ingrédients actifs non prévus dans les groupes
A61K 47/30 - Composés macromoléculaires organiques ou inorganiques, p. ex. polyphosphates inorganiques
A61K 47/32 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone, p. ex. carbomères
A61L 27/16 - Matériaux macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
A61L 27/40 - Matériaux composites, c.-à-d. en couches ou contenant un matériau dispersé dans une matrice constituée d'un matériau analogue ou différent
A61L 27/54 - Matériaux biologiquement actifs, p. ex. substances thérapeutiques
A61P 3/00 - Médicaments pour le traitement des troubles du métabolisme
A61P 3/10 - Médicaments pour le traitement des troubles du métabolisme de l'homéostase du glucose de l'hyperglycémie, p. ex. antidiabétiques
A61P 5/00 - Médicaments pour le traitement des troubles du système endocrinien
A61P 7/04 - AntihémorragiquesProfacteurs de coagulationAgents hémostatiquesAgents antifibrinolytiques
A61P 19/08 - Médicaments pour le traitement des troubles du squelette des maladies osseuses, p. ex. rachitisme, maladie de Paget
A61P 25/28 - Médicaments pour le traitement des troubles du système nerveux des troubles dégénératifs du système nerveux central, p. ex. agents nootropes, activateurs de la cognition, médicaments pour traiter la maladie d'Alzheimer ou d'autres formes de démence
Provided is a novel angiogenesis device. This angiogenesis device, which comprises an angiogenesis component and a polymer, is for inducing angiogenesis in a transplantation site of a cell- or tissue-containing device. The polymer may comprise at least one kind of polyvinyl alcohol-based resin (A) that is selected from among, for example, a denatured polyvinyl alcohol-based resin having an active carbonyl group (A1), a polyvinyl alcohol-based resin having a syndiotacticity in triad of 32-40% (A2) and a polyvinyl alcohol-based resin having a degree of saponification of 97 mol% or higher (A3).
A61K 35/12 - Substances provenant de mammifèresCompositions comprenant des tissus ou des cellules non spécifiésCompositions comprenant des cellules souches non embryonnairesCellules génétiquement modifiées
A61K 35/28 - Moelle osseuseCellules souches hématopoïétiquesCellules souches mésenchymateuses de toutes origines, p. ex. cellules souches dérivées de tissu adipeux
A61K 45/00 - Préparations médicinales contenant des ingrédients actifs non prévus dans les groupes
A61K 47/30 - Composés macromoléculaires organiques ou inorganiques, p. ex. polyphosphates inorganiques
A61K 47/32 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone, p. ex. carbomères
A61L 27/16 - Matériaux macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone
A61L 27/40 - Matériaux composites, c.-à-d. en couches ou contenant un matériau dispersé dans une matrice constituée d'un matériau analogue ou différent
A61L 27/54 - Matériaux biologiquement actifs, p. ex. substances thérapeutiques
A61P 3/00 - Médicaments pour le traitement des troubles du métabolisme
A61P 3/10 - Médicaments pour le traitement des troubles du métabolisme de l'homéostase du glucose de l'hyperglycémie, p. ex. antidiabétiques
A61P 5/00 - Médicaments pour le traitement des troubles du système endocrinien
A61P 7/04 - AntihémorragiquesProfacteurs de coagulationAgents hémostatiquesAgents antifibrinolytiques
A61P 19/08 - Médicaments pour le traitement des troubles du squelette des maladies osseuses, p. ex. rachitisme, maladie de Paget
A61P 25/28 - Médicaments pour le traitement des troubles du système nerveux des troubles dégénératifs du système nerveux central, p. ex. agents nootropes, activateurs de la cognition, médicaments pour traiter la maladie d'Alzheimer ou d'autres formes de démence
The present invention provides a novel polishing composition. The polishing composition contains a water-soluble polymer wherein the water-soluble polymer comprises at least a vinyl alcohol-based resin for which the viscosity of the 4% aqueous solution at 20°C is at least 15 mPa·s.
C08L 29/04 - Alcool polyvinyliqueHomopolymères ou copolymères d'esters partiellement hydrolysés d'alcools non saturés avec des acides carboxyliques saturés
Provided is a novel polishing composition. This polishing composition is configured to contain a water-soluble polymer comprising at least a vinyl alcohol resin that includes a side chain group having 3 or more carbons.
B82B 1/00 - Nanostructures formées par manipulation d’atomes ou de molécules, ou d’ensembles limités d’atomes ou de molécules un à un comme des unités individuelles
C08L 29/04 - Alcool polyvinyliqueHomopolymères ou copolymères d'esters partiellement hydrolysés d'alcools non saturés avec des acides carboxyliques saturés
Provided is a novel coating composition for oral solid preparations. The coating composition for oral solid preparations comprises a polyvinyl alcohol-based polymer (a), a fatty acid ester of a polyol having 3 or more hydroxy groups (b), and talc (c),
Provided is a novel coating composition for oral solid preparations. The coating composition for oral solid preparations comprises a polyvinyl alcohol-based polymer (a), a fatty acid ester of a polyol having 3 or more hydroxy groups (b), and talc (c),
wherein the fatty acid ester of a polyol having 3 or more hydroxy groups (b) has a hydrophilic lipophilic balance (HLB) value of 4.0 or more;
wherein the fatty acid ester of a polyol having 3 or more hydroxy groups (b) has 12 to 22 carbon atoms per fatty acid ester unit; and
wherein the talc (c) is present at 50% by mass or less of the whole composition.
National University Corporation Tohoku University (Japon)
Inventeur(s)
Oharuda, Akinobu
Kimura, Yoshihiro
Goto, Masafumi
Abrégé
To provide a cell or tissue embedding device highly capable of supplying a physiologically active substance, by curbing the reduction of living cells or living tissue in the process of preparing a PVA gel containing the living cells or living tissue.
To provide a cell or tissue embedding device highly capable of supplying a physiologically active substance, by curbing the reduction of living cells or living tissue in the process of preparing a PVA gel containing the living cells or living tissue.
An aqueous gel to form an immunoisolation layer of a cell or tissue embedding device has, as its component, a polyvinyl alcohol resin having a syndiotacticity of 32 to 40% in triad.
C12N 11/04 - Enzymes ou cellules microbiennes immobilisées sur ou dans un support organique piégées à l’intérieur du support, p. ex. dans un gel ou dans des fibres creuses
C12N 5/00 - Cellules non différenciées humaines, animales ou végétales, p. ex. lignées cellulairesTissusLeur culture ou conservationMilieux de culture à cet effet
A61K 47/32 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone, p. ex. carbomères
Provided is a novel bonding agent. A bonding agent that has an average degree of saponification of 85.0–89.0 mol% as measured in accordance with JIS K6726 and is formed from a polyvinyl alcohol polymer that satisfies condition (A). Condition (A): When the polyvinyl alcohol polymer is assessed under the following measurement conditions by liquid chromatography that uses a charged particle detector as a detector and a Thermo Scientific AcclaimTM300 column (catalog number: 060266; carbon content: 8%; maximum pressure: 4,500 psi; particle size: 3 µm; pore diameter: 300 Å; solid phase: C18; surface area: 100 m2iiniiiwii 2iiiwnn)-1}×1000.
A61K 31/167 - Amides, p. ex. acides hydroxamiques ayant des cycles aromatiques, p. ex. colchicine, aténolol, progabide ayant l'atome d'azote d'un groupe carboxamide lié directement au cycle aromatique, p. ex. lidocaïne, paracétamol
A61P 25/04 - Analgésiques centraux, p. ex. opioïdes
A61K 9/14 - Préparations médicinales caractérisées par un aspect particulier à l'état particulaire, p. ex. poudres
A61K 9/32 - Revêtements organiques contenant des polymères synthétiques solides
A61K 47/32 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone, p. ex. carbomères
Provided is a novel bonding agent. A bonding agent that has an average degree of saponification of 85.0–89.0 mol% as measured in accordance with JIS K6726 and is formed from a polyvinyl alcohol polymer that satisfies condition (A) and/or condition (B). Condition (A): The transparency, at 20̊C, of a liquid that results from adding 130.0 mL of 1-propanol to 100.0 g of a 5.0 mass% aqueous solution of the polyvinyl alcohol polymer is no more than 80.0%. Condition (B): the supernatant concentration, at 20̊C, of a liquid that results from adding 230.0 mL of 1-propanol to 100.0 g of a 5.0 mass% aqueous solution of the polyvinyl alcohol polymer is at least 0.65 mass%.
A61K 31/167 - Amides, p. ex. acides hydroxamiques ayant des cycles aromatiques, p. ex. colchicine, aténolol, progabide ayant l'atome d'azote d'un groupe carboxamide lié directement au cycle aromatique, p. ex. lidocaïne, paracétamol
A61P 25/04 - Analgésiques centraux, p. ex. opioïdes
A61K 9/14 - Préparations médicinales caractérisées par un aspect particulier à l'état particulaire, p. ex. poudres
A61K 9/32 - Revêtements organiques contenant des polymères synthétiques solides
A61K 47/32 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone, p. ex. carbomères
40.
COATING COMPOSITION, ORAL SOLID PREPARATION AND METHOD FOR PRODUCING SAME
Provided is a novel coating composition for an oral solid preparation. The coating composition for an oral solid preparation includes a polyvinyl alcohol polymer (a), a fatty acid ester (b) of a polyol having 3 or more hydroxy groups and talc (c), wherein the HLB value of the fatty acid ester (b) of a polyol having 3 or more hydroxy groups is 4.0 or more, the carbon number of the fatty acid ester unit of the fatty acid ester (b) of a polyol having 3 or more hydroxy groups is 12-22, inclusive, and the proportion of talc (c) is 50 mass% or less of the whole composition.
A61K 9/36 - Revêtements organiques contenant des hydrates de carbone ou leurs dérivés
A61K 47/14 - Esters d’acides carboxyliques, p. ex. acides gras monoglycérides, triglycérides à chaine moyenne, parabènes ou esters d’acide gras de PEG
A61K 47/26 - Hydrates de carbone, p. ex. polyols ou sucres alcoolisés, sucres aminés, acides nucléiques, mono-, di- ou oligosaccharidesLeurs dérivés, p. ex. polysorbates, esters d’acide gras de sorbitan ou glycyrrhizine
A61K 47/32 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone, p. ex. carbomères
41.
COATING COMPOSITION, ORAL SOLID PREPARATION AND METHOD FOR PRODUCING SAME
Provided is a novel coating composition for an oral solid preparation. The coating composition for an oral solid preparation includes a polyvinyl alcohol polymer (a), a water-swelling clay mineral (b), and a fatty acid ester (c) of a polyol having 3 or more hydroxy groups, wherein the mass ratio of the polyvinyl alcohol polymer (a) and the water-swelling clay mineral (b) is from 98:2 to 65:35.
A61K 9/36 - Revêtements organiques contenant des hydrates de carbone ou leurs dérivés
A61K 47/14 - Esters d’acides carboxyliques, p. ex. acides gras monoglycérides, triglycérides à chaine moyenne, parabènes ou esters d’acide gras de PEG
A61K 47/26 - Hydrates de carbone, p. ex. polyols ou sucres alcoolisés, sucres aminés, acides nucléiques, mono-, di- ou oligosaccharidesLeurs dérivés, p. ex. polysorbates, esters d’acide gras de sorbitan ou glycyrrhizine
A61K 47/32 - Composés macromoléculaires obtenus par des réactions faisant intervenir uniquement des liaisons non saturées carbone-carbone, p. ex. carbomères
National University Corporation Tohoku University (Japon)
Inventeur(s)
Oharuda, Akinobu
Kimura, Yoshihiro
Goto, Masafumi
Abrégé
A cell or tissue embedding device having an aqueous gel serving as an immunoisolation layer, the aqueous gel containing, as components thereof, a denatured polyvinyl alcohol resin having an activated carbonyl group and a crosslinking agent is highly capable of supplying a physiologically active substance.
Provided is a polyvinyl alcohol-based polymer useful for a polarizing film, etc. The syndiotacticity of the polyvinyl alcohol polymer is 54.0-56.0 mol%, and the content of a vinyl alcohol unit is 98-100 mol%.
C08L 29/04 - Alcool polyvinyliqueHomopolymères ou copolymères d'esters partiellement hydrolysés d'alcools non saturés avec des acides carboxyliques saturés
Provided is a dispersion assistant useful for suspension polymerization of vinyl-based compounds. The dispersion assistant comprises a polyvinyl alcohol-based polymer (A) comprising a constituent unit represented by the general formula (1) shown below at 0.1 to 10 mol % per polyvinyl alcohol monomer unit and having a saponification degree of 15 to 70 mol %.
(In the formula, R denotes an alkyl group.)
C08L 29/04 - Alcool polyvinyliqueHomopolymères ou copolymères d'esters partiellement hydrolysés d'alcools non saturés avec des acides carboxyliques saturés
C08L 29/14 - Homopolymères ou copolymères d'acétals ou de cétals obtenus par polymérisation d'acétals ou de cétals non saturés ou par post-traitement des polymères d'alcools non saturés
C08F 2/20 - Polymérisation en suspension utilisant des agents de dispersion macromoléculaires
45.
Dispersion assistant for suspension polymerization, method for producing vinyl-based polymer using the same, and vinyl chloride resin
An object of the present invention is to provide a dispersion assistant that, when used for suspension polymerization of a vinyl-based compound, achieves stable production of a good polymer (vinyl-based resin) without much scale adhesion on the polymerization tank even in the cases where used in a large amount. Provided is a dispersion assistant for suspension polymerization, which comprises a polyvinyl alcohol-based polymer (A) having an acetal group (a) having an olefinic unsaturated double bond, the polymer having a saponification degree of 60 mol% or less.
C08L 27/06 - Homopolymères ou copolymères du chlorure de vinyle
C08F 8/28 - Condensation avec des aldéhydes ou des cétones
C08F 290/12 - Polymères prévus par les sous-classes ou
C08L 29/14 - Homopolymères ou copolymères d'acétals ou de cétals obtenus par polymérisation d'acétals ou de cétals non saturés ou par post-traitement des polymères d'alcools non saturés
C08F 16/38 - Homopolymères ou copolymères de composés contenant un ou plusieurs radicaux aliphatiques non saturés, chaque radical ne contenant qu'une seule liaison double carbone-carbone et l'un au moins étant terminé par un radical alcool, éther, aldéhyde, cétone, acétal ou cétal par un radical acétal ou cétal
C08F 2/20 - Polymérisation en suspension utilisant des agents de dispersion macromoléculaires
NATIONAL UNIVERSITY CORPORATION TOHOKU UNIVERSITY (Japon)
Inventeur(s)
Oharuda, Akinobu
Kimura, Yoshihiro
Goto, Masafumi
Abrégé
By suppressing the loss of living cells or living tissue during the production of a PVA gel that contains living cells or living tissue, the present invention addresses the problem of supplying a cell- or tissue-embedding device that has a high capacity for supplying a biologically active substance. According to the present invention, an aqueous gel for forming an immunoisolation layer for a cell- or tissue-embedding device is formed from a polyvinyl alcohol resin that has a triad syndiotacticity of 32%–40%.
C12M 3/00 - Appareillage pour la culture de tissus, de cellules humaines, animales ou végétales, ou de virus
A61K 35/12 - Substances provenant de mammifèresCompositions comprenant des tissus ou des cellules non spécifiésCompositions comprenant des cellules souches non embryonnairesCellules génétiquement modifiées
A61K 35/22 - UrineAppareil urinaire, p. ex. rein ou vessieCellules mésangiales intraglomérulairesCellules mésenchymateuses rénalesGlande surrénale
A61K 35/28 - Moelle osseuseCellules souches hématopoïétiquesCellules souches mésenchymateuses de toutes origines, p. ex. cellules souches dérivées de tissu adipeux
A61K 35/30 - NerfsCerveauYeuxCellules cornéennesLiquide céphalorachidienCellules souches neuronalesCellules précurseurs neuronalesCellules glialesOligodendrocytesCellules de SchwannAstrogliesAstrocytesPlexus choroïdeTissu de moelle épinière
A61K 35/55 - Glandes non prévues dans les groupes , p. ex. glandes thyroïdes, parathyroïdes ou pinéales
C12N 11/04 - Enzymes ou cellules microbiennes immobilisées sur ou dans un support organique piégées à l’intérieur du support, p. ex. dans un gel ou dans des fibres creuses
A61P 3/00 - Médicaments pour le traitement des troubles du métabolisme
A61P 5/00 - Médicaments pour le traitement des troubles du système endocrinien
NATIONAL UNIVERSITY CORPORATION TOHOKU UNIVERSITY (Japon)
Inventeur(s)
Oharuda, Akinobu
Kimura, Yoshihiro
Goto, Masafumi
Abrégé
The present invention addresses the problem of providing a cell- or tissue-embedding device which suppress the reduction in a living cell or a living tissue, during a process for preparing a PVA gel containing the living cell or living tissue, so as to exhibit an excellent ability to supply a physiologically active substance. An aqueous gel, which is to be used for forming an immunoisolation layer of a cell- or tissue-embedding device, is prepared by using a modified polyvinyl alcohol-based resin (A) having an active carbonyl group and a crosslinking agent (B) as components thereof.
A61K 35/28 - Moelle osseuseCellules souches hématopoïétiquesCellules souches mésenchymateuses de toutes origines, p. ex. cellules souches dérivées de tissu adipeux
Provided is a dispersion aid useful for the suspension polymerization of vinyl compounds. The dispersion aid comprises a poly(vinyl alcohol)-based polymer (A) which contains a constituent unit represented by general formula (1) in an amount of 0.1-10 mol% with respect to the monomer units of the poly(vinyl alcohol), the poly(vinyl alcohol)-based polymer (A) having a degree of saponification of 15-70 mol%. (In formula (1), R represents an alkyl group.)
Provided is a method for accelerating the speed of a reaction between a PVA resin containing a diacetone acrylamide unit and a crosslinking agent having a hydrazino group. According to this method, a water-soluble metal containing no alkali metal and no alkaline earth metal is made to coexist in a reaction system when a PVA resin containing a diacetone acrylamide unit and a crosslinking agent having a hydrazino group are reacted with each other.
C08L 29/04 - Alcool polyvinyliqueHomopolymères ou copolymères d'esters partiellement hydrolysés d'alcools non saturés avec des acides carboxyliques saturés
50.
Film coating composition, solid oral formulation, and method for producing the same
Provided are a film coating composition containing a PVA having a degree of hydrolysis of 85.0 to 89.0 mol %, characterized in that even when the composition is used for coating of tablets without any additives other than PVAs, the tablets do not tend to stick to each other; a solid oral formulation using the composition; and a method for producing the same.
A61K 9/28 - DragéesPilules ou comprimés avec revêtements
C09D 129/04 - Alcool polyvinyliqueHomopolymères ou copolymères partiellement hydrolysés d'esters d'alcools non saturés avec des acides carboxyliques saturés
A61K 47/34 - Composés macromoléculaires obtenus par des réactions autres que celles faisant intervenir uniquement des liaisons non saturées carbone-carbone, p. ex. polyesters, acides polyaminés, polysiloxanes, polyphosphazines, copolymères de polyalkylène glycol ou de poloxamères
A61K 9/00 - Préparations médicinales caractérisées par un aspect particulier
51.
Dispersion stabilizer for suspension polymerization, production method for vinyl-based polymer, and vinyl chloride resin
Provided is a dispersion stabilizer which exhibits an excellent polymerization stability when used in suspension polymerization for a vinyl chloride-based resin, and gives a vinyl chloride-based resin having few coarse particles, few fish eyes after resin molding, an excellent plasticizer absorption, and an excellent hue. Also provided is a high-quality vinyl chloride-based resin produced using the dispersion stabilizer. The present invention is a dispersion stabilizer for suspension polymerization containing a polyvinyl alcohol-based polymer (B) which has a double bond in a side chain and which is obtainable by acetalization of a polyvinyl alcohol-based polymer (A) with a monoaldehyde having an olefinic unsaturated double bond.
The purpose of the present invention is to provide a dispersion assistant with which it is possible to stably obtain an excellent polymeric substance (vinyl resin) with minimal adhering of scale to a polymerization vessel even when the dispersion assistant is used in a large amount in the suspension polymerization of a vinyl compound. The additive for suspension polymerization contains a polyvinyl alcohol polymer (A) that has a gelling degree of 60 mol% or less and has acetal groups (a) having olefinically unsaturated double bonds.
C08F 2/20 - Polymérisation en suspension utilisant des agents de dispersion macromoléculaires
C08F 8/28 - Condensation avec des aldéhydes ou des cétones
C08F 16/38 - Homopolymères ou copolymères de composés contenant un ou plusieurs radicaux aliphatiques non saturés, chaque radical ne contenant qu'une seule liaison double carbone-carbone et l'un au moins étant terminé par un radical alcool, éther, aldéhyde, cétone, acétal ou cétal par un radical acétal ou cétal
C08F 290/12 - Polymères prévus par les sous-classes ou
C08L 29/14 - Homopolymères ou copolymères d'acétals ou de cétals obtenus par polymérisation d'acétals ou de cétals non saturés ou par post-traitement des polymères d'alcools non saturés
The purpose of the present invention is to provide a hydrogel that has excellent mechanical strength and that does not present problems in terms of toxicity to living organisms, and a method for producing the same. This hydrogel is produced by allowing a polyvinyl alcohol-based resin (A) having a syndiotacticity of 32% or more, expressed as triads, to swell in water (B), dissolve under thermocompression conditions, and then cool.
JAPAN ADVANCED INSTITUTE OF SCIENCE AND TECHNOLOGY (Japon)
JAPAN VAM & POVAL CO., LTD. (Japon)
Inventeur(s)
Matsumura,kazuaki
Kimura,yoshihiro
Manji,nozomi
Abrégé
Provided are: a biocompatible modifying gel material composition comprising a solution containing the saponified product of a vinyl acetate-diacetone acrylamide copolymer and unmodified polyvinyl alcohol having a saponification degree of at least 98 mol%; and an artificial material that is capable of forming a hybrid artificial blood vessel, which has dynamic properties similar to those of blood vessels in the body, obtained by growing endothelial cells on an inner surface using a biocompatible modifying gel obtained by the gelling of the aforementioned biocompatible modifying gel material composition.
Provided is a method for producing a polyvinyl alcohol resin, comprising the steps of copolymerizing an aliphatic vinyl ester (A) with diacetone acrylamide (B), at least a part of which diacetone acrylamide (B) is added at a later stage, in the presence of a polymerization catalyst in an alcohol solvent, so that the ratio (a)/(b) of the polymerization yield at the end of the polymerization (a) to the polymerization yield at the end of the later addition (b) of diacetone acrylamide (B) is in the range of 1.01 to 1.10, and saponifying the resulting copolymer.
C09D 129/04 - Alcool polyvinyliqueHomopolymères ou copolymères partiellement hydrolysés d'esters d'alcools non saturés avec des acides carboxyliques saturés
C08L 29/04 - Alcool polyvinyliqueHomopolymères ou copolymères d'esters partiellement hydrolysés d'alcools non saturés avec des acides carboxyliques saturés
B41M 5/50 - Feuilles d'enregistrement caractérisées par les revêtements utilisés pour améliorer la réceptivité aux encres, aux colorants ou aux pigments, p. ex. pour jet d'encre ou pour l'enregistrement par transfert thermique de colorants
56.
FILM-COATING COMPOSITION, SOLID ORAL FORMULATION, AND METHOD FOR PRODUCING SAME
Provided are a film-coating composition with which tablets are made less likely to adhere to each other even when coating is performed using PVA having a degree of saponification of 85.0-89.0 mol% without adding any additives other than PVA, an oral solid formulation in which the film-coating composition is used, and a method for producing this formulation. This film-coating composition includes a PVA polymer having an average degree of saponification of 85.0-89.0 mol% and fulfilling requirement (A) or (B). Requirement (A): The transparency at 20°C of a solution obtained by adding 130.0 mL of 1-propanol to 100.0 g of a 5.0 mass% aqueous solution of PVA polymer and stirring is 50.0% or less. Requirement (B): The concentration of a supernatant obtained by allowing a solution, obtained by adding 230.0 mL of 1-propanol to 100.0 g of a 5.0 mass% aqueous solution of PVA polymer and stirring, to stand for 24 hours at 20°C is 0.75 mass% or higher.
A61K 47/34 - Composés macromoléculaires obtenus par des réactions autres que celles faisant intervenir uniquement des liaisons non saturées carbone-carbone, p. ex. polyesters, acides polyaminés, polysiloxanes, polyphosphazines, copolymères de polyalkylène glycol ou de poloxamères
A61K 9/32 - Revêtements organiques contenant des polymères synthétiques solides
C09D 129/04 - Alcool polyvinyliqueHomopolymères ou copolymères partiellement hydrolysés d'esters d'alcools non saturés avec des acides carboxyliques saturés
57.
DISPERSION STABILIZER FOR SUSPENSION POLYMERIZATION, METHOD FOR PRODUCING VINYL POLYMER, AND VINYL CHLORIDE RESIN
The purpose of the present invention is to provide: a dispersion stabilizer having exceptional polymerization stability when used in the polymerization of vinyl chloride resin, the dispersion stabilizer making it possible to obtain vinyl chloride resin having few coarse particles, few fish eyes after resin molding, excellent plasticizer absorptivity, and exceptional hue; and high-quality vinyl chloride resin produced using this dispersion stabilizer. The present invention is a dispersion stabilizer for suspension polymerization, the dispersion stabilizer being characterized by containing a polyvinyl alcohol polymer (B) having a double bond in a side chain, the polyvinyl alcohol polymer (B) being obtained by acetalating a polyvinyl alcohol polymer (A) using a monoaldehyde having an olefinic unsaturated double bond.
This invention: provides, at low cost, a texture-etching liquid and a liquid additive therefor that make it easy to stably reproduce a highly uniform pattern of minute pyramidal concavities and convexities that is suitable for use in a monocrystalline solar cell or the like; uses said texture-etching liquid to provide a textured substrate having a uniform pattern of minute pyramidal concavities and convexities; and provides a high-efficiency solar cell using said textured substrate. Either a texture-etching liquid containing an alkali component, a tannin, and a stilbene derivative or a texture-etching liquid to which a liquid additive containing a tannin with a concentration of up to 30 wt.% and a stilbene derivative with a concentration of up to 30 wt.% is added is used to manufacture a silicon substrate with at least one surface thereof textured and a solar cell that contains said silicon substrate with (one of) the textured surface(s) thereof on a light-receiving-surface side.
Provided is a method of producing a polyvinyl alcohol resin, and the polyvinyl alcohol resin obtained thereby, which has increased transparency in aqueous solution, good outer appearance in film and aqueous gel, improved ink receptivity and chromogenicity when used as a heat-sensitive recording material or ink-jet recording material, and improved water resistance. In this method of producing a polyvinyl alcohol resin is a copolymerization method, in a step for copolymerization of an aliphatic vinyl ester (A) and a diacetone acrylamide (B) in an alcohol medium in the presence of a polymerization catalyst, at least part of the diacetone acrylamide (B) is added subsequently; this method is characterized in that the ratio (a)/(b) of the polymerization yield rate (a) at the completion of polymerization and the polymerization yield rate (b) at the end of subsequent addition of the diacetone acrylamide (B) is in the range 1.01-1.10, and in that the obtained copolymer is saponified.
B41M 5/50 - Feuilles d'enregistrement caractérisées par les revêtements utilisés pour améliorer la réceptivité aux encres, aux colorants ou aux pigments, p. ex. pour jet d'encre ou pour l'enregistrement par transfert thermique de colorants
C08L 29/04 - Alcool polyvinyliqueHomopolymères ou copolymères d'esters partiellement hydrolysés d'alcools non saturés avec des acides carboxyliques saturés
C09D 129/04 - Alcool polyvinyliqueHomopolymères ou copolymères partiellement hydrolysés d'esters d'alcools non saturés avec des acides carboxyliques saturés
05 - Produits pharmaceutiques, vétérinaires et hygièniques
Produits et services
Pharmaceutical, veterinary and sanitary preparations;
reagent paper for medical purposes; chemicals and chemical
preparations for medical and pharmaceutical purposes;
chemical reagents for medical purposes; chemical
preparations for veterinary purposes; chemical reagents for
veterinary purposes; medicinal preparations for the mouth in
the form of drops, capsules, tablets or compressed tablets;
excipients; radio-isotope markers for therapeutic or
diagnostic use; fumigants [only for agricultural purposes];
fungicides [only for agricultural purposes]; rodenticides
[only for agricultural purposes]; insecticides [only for
agricultural purposes]; herbicides; insect-repellents [only
for agricultural purposes]; antiseptics [only for
agricultural purposes]; oiled paper for medical purposes;
wrapping wafers for medicine doses; gauze for dressings;
empty capsules for pharmaceuticals; eye bandages for medical
purposes; ear bandages; menstruation bandages; sanitary
tampons; sanitary pads; sanitary panties; absorbent cotton;
adhesive plasters; bandages for dressings; liquid bandages;
breast-nursing pads; micro capsules used in targeted drug
delivery system for pharmaceuticals, genes, other
therapeutic agent and/or diagnostic agent; capsules for
medicines; dental materials; diapers; diaper covers; dietary
supplements for humans; dietetic beverages adapted for
medical purposes; dietetic foods adapted for medical
purposes; dietary supplements for animals.
05 - Produits pharmaceutiques, vétérinaires et hygièniques
Produits et services
[ Pharmaceutical preparations, ] chemicals [ and chemical preparations ] for medical and pharmaceutical purposes, namely, drug delivery agents in the form of a coating for tablets and capsules that facilitate the delivery of a wide range of pharmaceuticals [ , drug delivery agents in the form of capsules that provide controlled release of the active ingredients for a wide variety of pharmaceuticals, and drug delivery agents in the form of tablets that provide controlled release of the active ingredients for a wide variety of pharmaceuticals ] [ ; veterinary preparations and chemical preparations for veterinary purposes, namely, drug delivery agents in the form of a coating for tablets and capsules that facilitate the delivery of a wide range of veterinary pharmaceuticals, drug delivery agents in the form of capsules that provide controlled release of the active ingredients for a wide variety of veterinary pharmaceuticals, and drug delivery agents in the form of tablets that provide controlled release of the active ingredients for a wide variety of veterinary pharmaceuticals; chemical reagents for medical purposes; medicinal preparations for the mouth in the form of drops, capsules, tablets or compressed tablets; sanitary preparations for medical use; empty capsules for pharmaceuticals; dental materials, namely, dental resin for temporary bridges, crowns and veneers, and dental sealants; dietary supplements for humans; dietary supplements for animals ]
The present invention is a coating solution for diffusing phosphorous, characterized by comprising (a) a phosphorous compound, (b) a polyvinyl ester resin having an average polymerization degree of 150-4000, (c) an alkoxysilane, and (d) an organic solvent having a boiling point of 70ºC or higher. The coating solution has excellent coatability, can diffuse phosphorous without causing fluctuations in a resistance value at a center part and a resistance value at a peripheral part in a semiconductor device in which phosphorous is diffused, and can be stored at ambient temperature.
H01L 21/225 - Diffusion des impuretés, p. ex. des matériaux de dopage, des matériaux pour électrodes, à l'intérieur ou hors du corps semi-conducteur, ou entre les régions semi-conductricesRedistribution des impuretés, p. ex. sans introduction ou sans élimination de matériau dopant supplémentaire en utilisant la diffusion dans ou hors d'un solide, à partir d'une ou en phase solide, p. ex. une couche d'oxyde dopée
Disclosed is a method for producing an inkjet recording material, which is characterized by comprising: a step wherein a mixed liquid (a) is obtained by mixing an aqueous solution of a saponified vinyl acetate-diacetone acrylamide copolymer and a crosslinking agent; a step wherein a mixed liquid (b) is obtained by adding a water-soluble basic compound to the mixed liquid (a) after a lapse of at least 30 minutes from the mixing; and a step wherein an ink receiving layer coating liquid, which is obtained by mixing porous inorganic fine particles into the thus-obtained mixed liquid (b), is applied over a supporting body. The method for producing an inkjet recording material is also characterized in that an ink receiving layer that is formed on the supporting body by the application step contains the porous inorganic fine particles, the saponified vinyl acetate-diacetone acrylamide copolymer and the crosslinking agent.
B41M 5/00 - Procédés de reproduction ou méthodes de reproduction ou de marquageMatériaux en feuilles utilisés à cet effet
B05D 5/04 - Procédés pour appliquer des liquides ou d'autres matériaux fluides aux surfaces pour obtenir des effets, finis ou des structures de surface particuliers pour obtenir une surface où l'encre ou un autre liquide peuvent prendre
B41M 5/50 - Feuilles d'enregistrement caractérisées par les revêtements utilisés pour améliorer la réceptivité aux encres, aux colorants ou aux pigments, p. ex. pour jet d'encre ou pour l'enregistrement par transfert thermique de colorants
Disclosed is a method for producing a polyvinyl alcohol resin that satisfies requirements (1) - (3) and is obtained by obtaining a slurry by dispersing a polyvinyl alcohol resin with a saponification of 97.00 mol% in water with a dispersed solid concentration of 5 - 20 wt%, carrying out a saponification reaction in that slurry at 30 - 60°C using (a) an alkali catalyst other than sodium hydroxide or (b) an acid catalyst for the saponification catalyst and washing the solid content in water after that solid content has been separated out. (1) The total of the sodium component present in the polymer backbone and the sodium component present as an impurity outside of the polymer backbone is 50 ppm or less; (2) saponification is 99.50 - 99.99 mol%; (3) the polyvinyl alcohol resin contains 30 - 70 wt% water as a volatile component.
Disclosed is a dispersion stabilizer for suspension polymerization of a vinyl monomer, which is composed of a modified polyvinyl alcohol resin containing 0.1-20% by mole of a structural unit which has chlorine in a side chain. (The modified polyvinyl alcohol resin is preferably a saponified vinyl chloride-vinyl acetate copolymer having a saponification degree of 30-95% by mole and an average polymerization degree of 200-5000.) Also disclosed is a method for producing a vinyl polymer, wherein a vinyl monomer is suspension-polymerized using such a dispersion stabilizer for suspension polymerization. Further disclosed is a vinyl chloride resin, or vinyl chloride-vinyl acetate copolymer or a saponified product thereof which is produced by suspension-polymerizing a vinyl monomer using the dispersion stabilizer for suspension polymerization.
METHOD FOR ESTERIFYING CELLULOSE RESIN, MODIFIED CELLULOSE RESIN OBTAINED BY THE ESTERIFICATION METHOD, AND METHOD FOR PRODUCING THE MODIFIED CELLULOSE RESIN
Disclosed is a method for esterifying a cellulose resin by an esterification reaction using an esterifying agent, which is characterized by using a vinyl ester as the esterifying agent. Also disclosed is a method for producing a modified cellulose resin from a cellulose resin by an esterification reaction using an esterifying agent, which is characterized by using a vinyl ester as the esterifying agent.
