Improved dental appliances and polymeric sheets are disclosed. The dental appliances and polymeric sheets are useful for making dental appliances having outer layers comprised of a material having a modulus of from about 1,000 MPA to 2,500 MPA ("hard") and an inner core comprised of elastomeric material or materials having a modulus of from about 50 MPa to 500 MPa ("soft"), which exhibit improved flexibility and strength and better stain resistance than currently available materials and dental appliances.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
B32B 27/06 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance
B29C 51/00 - Shaping by thermoforming, e.g. shaping sheets in matched moulds or by deep-drawingApparatus therefor
B29C 51/14 - Shaping by thermoforming, e.g. shaping sheets in matched moulds or by deep-drawingApparatus therefor using multilayered preforms or sheets
Improved dental appliances and polymeric sheet compositions are disclosed. The polymeric sheet compositions are useful for making dental appliances having outer layers comprised of a material having an increased glass transition temperature (Tg) greater than 110°C. In multi-layer appliances, the outer layers may have an increased Tg in combination with a greater thickness than an inner elastomeric layer.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
7.
DUAL SHELL DENTAL APPLIANCE AND MATERIAL CONSTRUCTIONS
Improved dental appliances and polymeric sheet compositions are disclosed. The polymeric sheet compositions are useful for making dental appliances having outer layers comprised of a material having a modulus of from about 1,000 MPA to 2,500 MPA (“hard”) and an inner core comprised of elastomeric material or materials having a modulus of from about 50 MPa to 500 MPa (“soft”), which exhibit improved flexibility and strength, and better stain and tear resistance than currently available materials and dental appliances.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
A method of treating a polymeric material includes exposing the polymeric material to ultrasonic energy in a liquid medium at a temperature below a glass transition temperature of the polymeric material for a time sufficient to modify one or more properties, or to reduce surface or internal stress, of the polymeric material, the one or more properties including stress relaxation, shape recovery, glass transition temperature, and crystallinity.
C08J 3/28 - Treatment by wave energy or particle radiation
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
C08L 101/00 - Compositions of unspecified macromolecular compounds
9.
DENTAL APPLIANCES, MATERIAL CONSTRUCTIONS AND IMPROVED TREATMENT SYSTEMS
Improved dental appliances and polymeric sheet compositions are disclosed. The polymeric sheet compositions are useful for making dental appliances having outer layers comprised of a material having a modulus of from about 1,000 MPA to 3,000 MPA (“hard”) and an inner core comprised of elastomeric material or materials having a modulus of from about 25 MPa to 500 MPa (“soft”) and a thickness of greater than about 250 microns, which exhibit improved flexibility and strength, and better stain and tear resistance than currently available materials and dental appliances.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
10.
Dual shell dental appliance and material constructions
Improved dental appliances and polymeric sheet compositions are disclosed. The polymeric sheet compositions are useful for making dental appliances having outer layers comprised of a material having a modulus of from about 1,000 MPA to 2,500 MPA (“hard”) and an inner core comprised of elastomeric material or materials having a modulus of from about 50 MPa to 500 MPa (“soft”), which exhibit improved flexibility and strength, and better stain and tear resistance than currently available materials and dental appliances.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
Improved dental appliances and polymeric sheet compositions are disclosed. The polymeric sheet compositions are useful for making dental appliances having outer layers comprised of a material having a modulus of from about 1,000 MPA to 2,500 MPA (“hard”) and an inner core comprised of elastomeric material or materials having a modulus of from about 50 MPa to 500 MPa (“soft”), which exhibit improved flexibility and strength, and better stain and tear resistance than currently available materials and dental appliances.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B29C 51/00 - Shaping by thermoforming, e.g. shaping sheets in matched moulds or by deep-drawingApparatus therefor
B29C 51/14 - Shaping by thermoforming, e.g. shaping sheets in matched moulds or by deep-drawingApparatus therefor using multilayered preforms or sheets
Improved thermoplastic polyurethane compositions include a diol component and a diisocyanate component wherein the diol component comprises at least one linear aliphatic diol having the general formulas HO—(CH2)x-OH wherein x is an integer from 9 to 18 and one or more cyclic diols having 6 or more carbons, or one or more aromatic diols, wherein the molar ratio of isocyanate groups to alcohols (NCO Ratio) is from about 0.95 to 1.05, and the reaction mixture comprises less than 20% of a polymeric diol component having a glass transition temperature of less than 0° C. The TPU compositions exhibit a combination of moderate elastic modulus, high elongation to yield, high elongation to break, high optical clarity, good stain resistance, good elastic recovery, and excellent force retention in the presence of water at moderate temperatures.
Improved dental appliances and polymeric sheet compositions are disclosed. The polymeric sheet compositions are useful for making dental appliances having outer layers comprised of a material having a modulus of from about 1,000 MPA to 3,000 MPA ("hard") and an inner core comprised of elastomeric material or materials having a modulus of from about 25 MPa to 500 MPa ("soft") and a thickness of greater than about 250 microns, which exhibit improved flexibility and strength, and better stain and tear resistance than currently available materials and dental appliances.
Improved dental appliances and polymeric sheet compositions are disclosed. The polymeric sheet compositions are useful for making dental appliances having outer layers comprised of a material having a modulus of from about 1,000 MPA to 3,000 MPA ("hard") and an inner core comprised of elastomeric material or materials having a modulus of from about 25 MPa to 500 MPa ("soft") and a thickness of greater than about 250 microns, which exhibit improved flexibility and strength, and better stain and tear resistance than currently available materials and dental appliances.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
05 - Pharmaceutical, veterinary and sanitary products
10 - Medical apparatus and instruments
Goods & Services
Dental composite materials, namely, thermoplastic materials
for fabricating orthodontic aligners and retainers, dental
restorative materials, and plastic materials used in the
treatment of malocclusion and tooth movement. Dental apparatus, namely, plastic orthodontic appliances.
Improved dental appliances and polymeric sheet compositions are disclosed. The polymeric sheet compositions are useful for making dental appliances having outer layers comprised of a material having a modulus of from about 1,000 MPA to 2,500 MPA (“hard”) and an inner core comprised of elastomeric material or materials having a modulus of from about 50 MPa to 500 MPa (“soft”), which exhibit improved flexibility and strength, and better stain and tear resistance than currently available materials and dental appliances.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
Improved thermoplastic polyurethane compositions are provided that exhibit a combination of moderate elastic modulus, high elongation to yield, high elongation to break, high optical clarity, good stain resistance, good elastic recovery, and excellent force retention in the presence of water at moderate temperatures.
Improved thermoplastic polyurethane compositions are provided that exhibit a combination of moderate elastic modulus, high elongation to yield, high elongation to break, high optical clarity, good stain resistance, good elastic recovery, and excellent force retention in the presence of water at moderate temperatures.
05 - Pharmaceutical, veterinary and sanitary products
10 - Medical apparatus and instruments
Goods & Services
Thermoplastic materials for fabricating orthodontic aligners
and retainers, dental restorative materials, and plastic
materials used in the treatment of malocclusion and tooth
movement. Dental apparatus, namely, plastic orthodontic appliances.
05 - Pharmaceutical, veterinary and sanitary products
10 - Medical apparatus and instruments
Goods & Services
(1) Thermoplastic materials for fabricating orthodontic aligners and retainers, dental restorative materials, and plastic materials used in the treatment of malocclusion and tooth movement.
(2) Dental apparatus, namely, plastic orthodontic appliances.
Polymeric shells which fit over one or more natural teeth to change the perceived color of the teeth, and optionally to provide orthodontic support. The shells can be prepared by thermoforming selected polymeric sheets which contain optical additives over a physical image of the teeth, or by depositing polymeric compositions containing optical additives over a physical image of the teeth, or by additive manufacturing based upon a digital image of the teeth. The optical additives cause the combination of the shell and the teeth to have a desired appearance. At least part of the shell preferably has transparency greater than 75%, particularly greater than 85%.
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
Improved dental appliances and polymeric sheet compositions are disclosed. The polymeric sheet compositions are useful for making dental appliances having outer layers comprised of a material having a modulus of from about 1,000 MPA to 2,500 MPA (“hard”) and an inner core comprised of elastomeric material or materials having a modulus of from about 50 MPa to 500 MPa (“soft”), which exhibit improved flexibility and strength, and better stain and tear resistance than currently available materials and dental appliances.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B29C 51/00 - Shaping by thermoforming, e.g. shaping sheets in matched moulds or by deep-drawingApparatus therefor
B29C 51/14 - Shaping by thermoforming, e.g. shaping sheets in matched moulds or by deep-drawingApparatus therefor using multilayered preforms or sheets
Improved dental appliances and polymeric sheet compositions are disclosed. The polymeric sheet compositions are useful for making dental appliances having outer layers comprised of a material having a modulus of from about 1,000 MPA to 2,500 MPA (“hard”) and an inner core comprised of elastomeric material or materials having a modulus of from about 50 MPa to 500 MPa (“soft”), which exhibit improved flexibility and strength, and better stain and tear resistance than currently available materials and dental appliances.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
Improved dental appliances and polymeric sheet compositions are disclosed. The polymeric sheet compositions are useful for making dental appliances having outer layers comprised of a material having a modulus of from about 1,000 MPA to 2,500 MPA ("hard") and an inner core comprised of elastomeric material or materials having a modulus of from about 50 MPa to 500 MPa ("soft"), which exhibit improved flexibility and strength, and better stain and tear resistance than currently available materials and dental appliances.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
Improved dental appliances and polymeric sheet compositions are disclosed. The polymeric sheet compositions are useful for making dental appliances having outer layers comprised of a material having a modulus of from about 1,000 MPA to 2,500 MPA ("hard") and an inner core comprised of elastomeric material or materials having a modulus of from about 50 MPa to 500 MPa ("soft"), which exhibit improved flexibility and strength, and better stain and tear resistance than currently available materials and dental appliances.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
31.
Dual shell dental appliance and material constructions
Improved dental appliances and polymeric sheet compositions are disclosed. The polymeric sheet compositions are useful for making dental appliances having outer layers comprised of a material having a modulus of from about 1,000 MPA to 2,500 MPA (“hard”) and an inner core comprised of elastomeric material or materials having a modulus of from about 50 MPa to 500 MPa (“soft”), which exhibit improved flexibility and strength, and better stain and tear resistance than currently available materials and dental appliances.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
Polymeric shells which fit over one or more natural teeth to change the perceived color of the teeth, and optionally to provide orthodontic support. The shells can be prepared by thermoforming selected polymeric sheets which contain optical additives over a physical image of the teeth, or by depositing polymeric compositions containing optical additives over a physical image of the teeth, or by additive manufacturing based upon a digital image of the teeth. The optical additives cause the combination of the shell and the teeth to have a desired appearance. At least part of the shell preferably has transparency greater than 75%, particularly greater than 85%.
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
B29C 51/12 - Shaping by thermoforming, e.g. shaping sheets in matched moulds or by deep-drawingApparatus therefor of articles having inserts or reinforcements
C08K 3/013 - Fillers, pigments or reinforcing additives
B29C 51/00 - Shaping by thermoforming, e.g. shaping sheets in matched moulds or by deep-drawingApparatus therefor
B29C 51/14 - Shaping by thermoforming, e.g. shaping sheets in matched moulds or by deep-drawingApparatus therefor using multilayered preforms or sheets
Improved dental appliances and polymeric sheet compositions are disclosed. The polymeric sheet compositions are useful for making dental appliances having outer layers comprised of a material having a modulus of from about 1,000 MPA to 2,500 MPA (“hard”) and an inner core comprised of elastomeric material or materials having a modulus of from about 50 MPa to 500 MPa (“soft”), which exhibit improved flexibility and strength, and better stain and tear resistance than currently available materials and dental appliances.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
Improved dental appliances and polymeric sheet compositions are disclosed. The polymeric sheet compositions are useful for making dental appliances having outer layers comprised of a material having a modulus of from about 1,000 MPA to 2,500 MPA (“hard”) and an inner core comprised of elastomeric material or materials having a modulus of from about 50 MPa to 500 MPa (“soft”), which exhibit improved flexibility and strength, and better stain and tear resistance than currently available materials and dental appliances.
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
Described are improved dental materials and appliances made therefrom that have a range of flexibility and strength and exhibit improved comfort and effectiveness in orthodontic and other treatment.
Improved dental appliances and polymeric sheet compositions are disclosed. The polymeric sheet compositions are useful for making dental appliances having outer layers comprised of a material having a modulus of from about 1,000 MPA to 2,500 MPA (“hard”) and an inner core comprised of elastomeric material or materials having a modulus of from about 50 MPa to 500 MPa (“soft”), which exhibit improved flexibility and strength, and better stain and tear resistance than currently available materials and dental appliances.
B32B 7/02 - Physical, chemical or physicochemical properties
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
Improved dental appliances and polymeric sheets are disclosed. The dental appliances and polymeric sheets are useful for making dental appliances having outer layers comprised of a material having a modulus of from about 1,000 MPA to 2,500 MPA ("hard") and an inner core comprised of elastomeric material or materials having a modulus of from about 50 MPa to 500 MPa ("soft"), which exhibit improved flexibility and strength and better stain resistance than currently available materials and dental appliances.
B32B 7/02 - Physical, chemical or physicochemical properties
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
Improved dental appliances and polymeric sheets are disclosed. The dental appliances and polymeric sheets are useful for making dental appliances having outer layers comprised of a material having a modulus of from about 1,000 MP A to 2,500 MP A ("hard") and an inner core comprised of elastomeric material or materials having a modulus of from about 50 MPa to 500 MPa ("soft"), which exhibit improved flexibility and strength and better stain resistance than currently available materials and dental appliances.
A63B 71/08 - Body-protectors for players or sportsmen
B32B 7/02 - Physical, chemical or physicochemical properties
B32B 7/12 - Interconnection of layers using interposed adhesives or interposed materials with bonding properties
B32B 27/08 - Layered products essentially comprising synthetic resin as the main or only constituent of a layer next to another layer of a specific substance of synthetic resin of a different kind
B32B 27/28 - Layered products essentially comprising synthetic resin comprising copolymers of synthetic resins not wholly covered by any one of the following subgroups
Disclosed are improved dental materials and appliances made therefrom that provide a natural appearance to the teeth, have a range of flexibility and strength, and exhibit improved comfort effectiveness in orthodontic and other treatment.
Described are improved dental materials and appliances made therefrom that have a range of flexibility and strength and exhibit improved comfort and effectiveness in orthodontic and other treatment.
A61C 7/00 - Orthodontics, i.e. obtaining or maintaining the desired position of teeth, e.g. by straightening, evening, regulating, separating, or by correcting malocclusions
05 - Pharmaceutical, veterinary and sanitary products
Goods & Services
Polymeric materials for producing dental or orthodontic devices and appliances; Thermoplastic materials for fabricating orthodontic aligners and retainers; Dental restorative materials
Polymeric shells which fit over natural teeth to change the perceived color of the teeth, and optionally to provide orthodontic support. The shells are prepared by thermoforming selected polymeric sheets which contain optical additives; the optical additives cause the combination of the shell and the teeth to have a desired appearance. The shell preferably has transparency of greater than 75%, particularly greater than 85%.
B32B 27/20 - Layered products essentially comprising synthetic resin characterised by the use of special additives using fillers, pigments, thixotroping agents
C08L 67/02 - Polyesters derived from dicarboxylic acids and dihydroxy compounds
B29C 51/12 - Shaping by thermoforming, e.g. shaping sheets in matched moulds or by deep-drawingApparatus therefor of articles having inserts or reinforcements
Polymeric shells which fit over natural teeth to change the perceived color of the teeth, and optionally to provide orthodontic support. The shells are prepared by thermoforming selected polymeric sheets which contain optical additives; the optical additives cause the combination of the shell and the teeth to have a desired appearance. The shell preferably has transparency of greater than 75%, particularly greater than 85%.
The use, in corrosion protection systems, dewatering systems, and systems to reduce biofouling, of an anode which comprises a conductive polymer composition comprising a polymer and, mixed with the polymer, a conductive filler which comprises an exfoliated graphite.
A method of improving the mechanical properties of polymers is described. The method involves heat treating the polymer at a temperature below the glass transition temperature in a wet or in a dry environment. Polymer articles capable of moisture uptake in humid environments, as well as polymer articles less susceptible to moisture uptake, have improved mechanical properties, particularly improved stress relaxation behavior and set properties, when treated in accord with the heat treatment method.
The subject matter described herein relates to thermoresponsive switching materials that undergo a thermal transition over a narrow temperature range and to devices, such as actuators, indicators, and sensors, prepared from such compositions.
F03G 7/06 - Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying, or the like
F16K 17/38 - Safety valvesEqualising valves actuated in consequence of extraneous circumstances, e.g. shock, change of position of excessive temperature
F16K 17/40 - Safety valvesEqualising valves with fracturing member, e.g. fracturing diaphragm, fusible joint
G01K 11/06 - Measuring temperature based on physical or chemical changes not covered by group , , , or using melting, freezing, or softening
G12B 1/00 - Sensitive elements capable of producing movement or displacement for purposes not limited to measurementAssociated transmission mechanisms therefor
49.
TEMPERATURE-SWITCHING MATERIALS HAVING IMPROVED STRENGTH AND THERMAL PROPERTIES
The subject matter described herein relates to thermoresponsive switching materials that undergo a thermal transition over a narrow temperature range and to devices, such as actuators, indicators, and sensors, prepared from such compositions.
F03G 7/06 - Mechanical-power-producing mechanisms, not otherwise provided for or using energy sources not otherwise provided for using expansion or contraction of bodies due to heating, cooling, moistening, drying, or the like
G01K 11/06 - Measuring temperature based on physical or chemical changes not covered by group , , , or using melting, freezing, or softening
50.
THERMALLY-RESPONSIVE MATERIALS AND DEVICES COMPRISING SUCH MATERIALS
Devices are described that include a component comprised of a material having a structure of R1 - C(O) - NX - R2, wherein each of R1 and R2 is independently a saturated alkyl having between 7-22 carbon atoms or an aryl, X is H or C(O)- Y, Y together with R1 forms a ring. The material is characterized by a single, sharp melting point, thus making it suitable for use, for example, in thermo~mechanical actuating devices or in temperature-indicating devices. Also described are compositions comprising two or more materials each having a structure of Rn 1 - C(O) - NH - R2 wherein, nis an identifying integer corresponding to a material in the composition; wherein for each material n in the composition, Rn 1 and Rn 2 are a saturated alkyl having between 7-22 carbon atoms, wherein for each material n Rn 1 and Rn 2 differ by one carbon atom, and wherein the number of carbon atoms in Rn 2 of each material ndiffers by four or less.
C07C 233/05 - Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having nitrogen atoms of carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals with carbon atoms of carboxamide groups bound to carbon atoms of an acyclic saturated carbon skeleton having the nitrogen atoms of the carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms
C07C 233/07 - Carboxylic acid amides having carbon atoms of carboxamide groups bound to hydrogen atoms or to acyclic carbon atoms having nitrogen atoms of carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals with carbon atoms of carboxamide groups bound to carbon atoms of an acyclic saturated carbon skeleton having the nitrogen atom of at least one of the carboxamide groups bound to a carbon atom of a six-membered aromatic ring
C07C 233/65 - Carboxylic acid amides having carbon atoms of carboxamide groups bound to carbon atoms of six-membered aromatic rings having the nitrogen atoms of the carboxamide groups bound to hydrogen atoms or to carbon atoms of unsubstituted hydrocarbon radicals
G12B 1/00 - Sensitive elements capable of producing movement or displacement for purposes not limited to measurementAssociated transmission mechanisms therefor
