Kbio Holdings Limited

United Kingdom

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2025 June 3
2025 (YTD) 4
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2021 3
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IPC Class
A61K 39/00 - Medicinal preparations containing antigens or antibodies 9
A61K 39/145 - Orthomyxoviridae, e.g. influenza virus 7
C12N 7/00 - Viruses, e.g. bacteriophagesCompositions thereofPreparation or purification thereof 7
B01D 15/38 - Selective adsorption, e.g. chromatography characterised by the separation mechanism involving specific interaction not covered by one or more of groups , e.g. affinity, ligand exchange or chiral chromatography 5
A61K 38/36 - Blood coagulation or fibrinolysis factors 4
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Registered / In Force 17

1.

HEXAMERIC PROTEIN

      
Application Number US2024060954
Publication Number 2025/137224
Status In Force
Filing Date 2024-12-19
Publication Date 2025-06-26
Owner KBIO HOLDINGS LIMITED (United Kingdom)
Inventor
  • Du (杜), Jintang (进堂)
  • Swope, Kelsi, Fireline
  • Whaley, Kevin
  • Pauly, Michael, H.
  • Stevens, Sean
  • Royal, Joshua
  • Morton, Joshua
  • Hume, Steven
  • Fuqua, Joshua
  • Bratcher, Barry

Abstract

The present invention provides hexameric proteins, methods of making them and uses thereof. The present invention relates to proteins that are hexamerized via a tailpiece peptide. The present invention provides hexameric antibodies that may be used as non-hormonal contraceptives, in the treatment of a pathogenic infection or in the treatment of cancer.

IPC Classes  ?

  • A61P 15/16 - Masculine contraceptives
  • C07K 16/44 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies against material not provided for elsewhere
  • C07K 16/28 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants

2.

ANTI-LILRB2 ANTIBODIES AND THEIR USE IN THE TREATMENT OF CANCER

      
Application Number US2024060121
Publication Number 2025/129060
Status In Force
Filing Date 2024-12-13
Publication Date 2025-06-19
Owner KBIO HOLDINGS LIMITED (United Kingdom)
Inventor
  • Royal, Joshua
  • Swope, Kelsi Fireline
  • Stevens, Sean
  • Bushau-Sprinkle, Adrienne
  • Carpenito, Carmine
  • Wong, Kurt
  • Federzoni, Elena Alessandra
  • Fuqua, Joshua
  • Shepherd, John
  • Morton, Joshua
  • Hume, Steven
  • West, Wyatt
  • Bratcher, Barry

Abstract

The present invention relates to antibodies, or antigen-binding fragments thereof, that are capable of binding to Leukocyte Immunoglobulin-Like Receptor B2 (LILRB2). The present invention also relates to methods of producing and therapeutic uses of such antibodies, or antigen-binding fragments thereof.

IPC Classes  ?

  • C07K 16/28 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
  • A61K 39/00 - Medicinal preparations containing antigens or antibodies
  • A61P 35/00 - Antineoplastic agents

3.

ANTIBODY AGAINST HLA-G

      
Application Number US2024060097
Publication Number 2025/129041
Status In Force
Filing Date 2024-12-13
Publication Date 2025-06-19
Owner KBIO HOLDINGS LIMITED (United Kingdom)
Inventor
  • Royal, Joshua
  • Swope, Kelsi Fireline
  • Wong, Kurt
  • Stevens, Sean
  • Du (杜), Jintang (进堂)
  • Bushau-Sprinkle, Adrienne
  • Fuqua, Joshua
  • Shepherd, John
  • Morton, Joshua
  • Reidel, Mark
  • Bratcher, Barry

Abstract

The present invention relates to antibodies, or antigen-binding fragments thereof, that are capable of binding to human leukocyte antigen G (HLA-G). The present invention also relates to methods of producing and therapeutic uses of such antibodies, or antigen-binding fragments thereof.

IPC Classes  ?

  • A61P 35/00 - Antineoplastic agents
  • C07K 16/28 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants

4.

ANTIBODY

      
Application Number GB2024051671
Publication Number 2025/003685
Status In Force
Filing Date 2024-06-28
Publication Date 2025-01-02
Owner KBIO HOLDINGS LIMITED (United Kingdom)
Inventor
  • Royal, Joshua
  • Stevens, Sean
  • Harmorsky, Krystal
  • Fuqua, Josh
  • Morton, Josh
  • Bratcher, Barry
  • Shepherd, John
  • Mett, Vadim
  • Pauly, Michael
  • Whaley, Kevin
  • Zeitlin, Larry
  • Brennan, Miles

Abstract

The present invention relates to thermostable and thermoactive monoclonal antibodies, or antigen-binding fragments thereof, that have binding specificity to CD52g. The invention also relates to the production of such monoclonal antibodies and their use as contraceptive agents.

IPC Classes  ?

  • C07K 16/28 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies against material from animals or humans against receptors, cell surface antigens or cell surface determinants
  • A61P 15/16 - Masculine contraceptives
  • A61P 15/18 - Feminine contraceptives
  • A61K 39/395 - AntibodiesImmunoglobulinsImmune serum, e.g. antilymphocytic serum

5.

VIRUS AND ANTIGEN PURIFICATION AND CONJUGATION

      
Application Number 18734088
Status Pending
Filing Date 2024-06-05
First Publication Date 2024-09-26
Owner KBIO HOLDINGS LIMITED (United Kingdom)
Inventor
  • Burden, Leigh
  • Hume, Steven D.
  • Morton, Joshua
  • Pogue, Greg
  • Bratcher, Barry
  • Haydon, Hugh A.
  • Simpson, Carrie A.
  • Partain, Nick
  • Shepherd, John W.

Abstract

Disclosed herein are methods of forming compounds and exemplary compounds in the nature of a conjugated compound demonstrating enhanced stability, which in some embodiments comprises a protein and virus particle mixed in a conjugation reaction to form a conjugate mixture, such that the conditions and steps of forming these products allow for unrefrigerated storage for longer time periods than previous approaches, thus making feasible access to such products over a global supply chain.

IPC Classes  ?

  • A61K 39/385 - Haptens or antigens, bound to carriers
  • A61K 39/00 - Medicinal preparations containing antigens or antibodies
  • C12N 7/00 - Viruses, e.g. bacteriophagesCompositions thereofPreparation or purification thereof

6.

ANTI-FUNGAL ANTIBODIES BINDING TO BETA GLUCAN

      
Application Number GB2023051835
Publication Number 2024/013501
Status In Force
Filing Date 2023-07-13
Publication Date 2024-01-18
Owner KBIO HOLDINGS LIMITED (United Kingdom)
Inventor
  • Stevens, Sean
  • Royal, Joshua
  • Hamorsky, Krystal
  • Pauly, Michael
  • Brennan, Miles
  • Frenzel, André
  • Kügler, Jonas

Abstract

The present invention relates to antibodies, or antigen-binding fragments thereof, that have binding specificity to β-glucans. Also described are the production of such monoclonal antibodies, and nucleic acids encoding such antibodies.

IPC Classes  ?

  • A61P 31/10 - Antimycotics
  • C07K 16/14 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies against material from fungi, algae or lichens

7.

VACCINES FORMED BY VIRUS AND ANTIGEN CONJUGATION

      
Application Number 17851428
Status Pending
Filing Date 2022-06-28
First Publication Date 2023-05-18
Owner KBIO HOLDINGS LIMITED (United Kingdom)
Inventor
  • Hume, Steven D.
  • Burden, Leigh
  • Morton, Joshua
  • Pogue, Greg
  • Bratcher, Barry
  • Haydon, Hugh A.
  • Simpson, Carrie A.
  • Partain, Nick
  • Oh, Youngjun
  • Shepherd, John W.
  • Pauly, Michael H.

Abstract

Disclosed herein are methods of forming compounds and exemplary stable compounds in the nature of a conjugated compound at refrigerated or room temperature, which in some embodiments comprises an antigen and virus particle mixed in a conjugation reaction to form a conjugate mixture, such that the conditions and steps of forming these products allow for use of the conjugate mixture as a vaccine, including but not limited to use as a vaccine against various pathogens including for treatment of diseases caused by novel coronaviruses (including SARS-COV 2).

IPC Classes  ?

  • A61K 39/215 - Coronaviridae, e.g. avian infectious bronchitis virus
  • A61K 39/145 - Orthomyxoviridae, e.g. influenza virus
  • A61K 47/68 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment

8.

Virus and antigen purification and conjugation

      
Application Number 17966954
Grant Number 12097256
Status In Force
Filing Date 2022-10-17
First Publication Date 2023-02-23
Grant Date 2024-09-24
Owner KBIO HOLDINGS LIMITED (United Kingdom)
Inventor
  • Burden, Leigh
  • Hume, Steven D.
  • Morton, Joshua
  • Pogue, Greg
  • Bratcher, Barry
  • Haydon, Hugh A.
  • Simpson, Carrie A.
  • Partain, Nick
  • Shepherd, John W.

Abstract

Disclosed herein are methods of forming compounds and exemplary compounds in the nature of a conjugated compound demonstrating enhanced stability, which in some embodiments comprises a protein and virus particle mixed in a conjugation reaction to form a conjugate mixture, such that the conditions and steps of forming these products allow for unrefrigerated storage for longer time periods than previous approaches, thus making feasible access to such products over a global supply chain.

IPC Classes  ?

  • A61K 39/385 - Haptens or antigens, bound to carriers
  • C12N 7/00 - Viruses, e.g. bacteriophagesCompositions thereofPreparation or purification thereof
  • A61K 39/00 - Medicinal preparations containing antigens or antibodies

9.

Virus and antigen conjugation

      
Application Number 17951674
Grant Number 12173328
Status In Force
Filing Date 2022-09-23
First Publication Date 2023-01-26
Grant Date 2024-12-24
Owner KBIO HOLDINGS LIMITED (United Kingdom)
Inventor
  • Burden, Leigh
  • Hume, Steven D.
  • Morton, Joshua
  • Pogue, Greg
  • Bratcher, Barry
  • Haydon, Hugh A.
  • Simpson, Carrie A.
  • Partain, Nick
  • Shepherd, John W.

Abstract

Various embodiments disclosed herein include methods and exemplary compositions associated with conjugation of virus and proteins (e.g., antigen) to form vaccines for delivery of immunological and other therapeutic agents, exemplary aspects of which may include harvesting viral and antigenic substances from source organisms; purifying the viral and protein (e.g. antigenic, including influenza hemagglutinin antigens) substances through methodologies described in an exemplary manner, as well as their concentration and collection; and a conjugation platform providing activation of the virus at a pH that increases binding rate and binding propensity between the virus and the protein, wherein embodiments related to the conjugation platform include controlling the ratio of virus to protein.

IPC Classes  ?

  • A61K 39/00 - Medicinal preparations containing antigens or antibodies
  • A61K 38/36 - Blood coagulation or fibrinolysis factors
  • A61K 39/145 - Orthomyxoviridae, e.g. influenza virus
  • A61K 47/69 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the conjugate being characterised by physical or galenical forms, e.g. emulsion, particle, inclusion complex, stent or kit
  • B01D 15/34 - Size-selective separation, e.g. size-exclusion chromatographyGel filtrationPermeation
  • B01D 15/36 - Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion
  • B01D 15/38 - Selective adsorption, e.g. chromatography characterised by the separation mechanism involving specific interaction not covered by one or more of groups , e.g. affinity, ligand exchange or chiral chromatography
  • C07K 1/16 - ExtractionSeparationPurification by chromatography
  • C07K 1/18 - Ion-exchange chromatography
  • C07K 1/22 - Affinity chromatography or related techniques based upon selective absorption processes
  • C12N 7/00 - Viruses, e.g. bacteriophagesCompositions thereofPreparation or purification thereof

10.

Vaccines formed by virus and antigen conjugation

      
Application Number 17186941
Grant Number 11690907
Status In Force
Filing Date 2021-02-26
First Publication Date 2021-08-05
Grant Date 2023-07-04
Owner KBIO HOLDINGS LIMITED (United Kingdom)
Inventor
  • Hume, Steven D.
  • Burden, Leigh
  • Morton, Joshua
  • Pogue, Greg
  • Bratcher, Barry
  • Haydon, Hugh A.
  • Simpson, Carrie A.
  • Partain, Nick
  • Oh, Youngjun
  • Shepherd, John W.
  • Pauly, Michael H.

Abstract

Disclosed herein are methods of forming compounds and exemplary stable compounds in the nature of a conjugated compound at refrigerated or room temperature, which in some embodiments comprises an antigen and virus particle mixed in a conjugation reaction to form a conjugate mixture, such that the conditions and steps of forming these products allow for use of the conjugate mixture as a vaccine, including but not limited to use as a vaccine against various pathogens including for treatment of diseases caused by novel coronaviruses (including SARS-COV 2).

IPC Classes  ?

  • A61K 39/145 - Orthomyxoviridae, e.g. influenza virus
  • A61K 39/215 - Coronaviridae, e.g. avian infectious bronchitis virus
  • A61K 47/68 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
  • A61K 39/00 - Medicinal preparations containing antigens or antibodies

11.

Antigen purification

      
Application Number 17063022
Grant Number 11655461
Status In Force
Filing Date 2020-10-05
First Publication Date 2021-01-21
Grant Date 2023-05-23
Owner KBIO HOLDINGS LIMITED (United Kingdom)
Inventor
  • Hume, Steven D.
  • Burden, Leigh
  • Morton, Joshua
  • Pogue, Greg
  • Bratcher, Barry
  • Haydon, Hugh A.
  • Simpson, Carrie A.
  • Partain, Nick
  • Shepherd, John W.
  • Swope, Kelsi

Abstract

Disclosed herein are methods and exemplary compositions associated with antigen purification, exemplary aspects of which may include harvesting viral and antigenic substances from source organisms; and a purification platform comprising chemical separation and size-difference separation for the removal of contaminants, debris and impurities from the viral and protein (e.g. antigenic, including influenza hemagglutinin antigens) substances, as well as their concentration and collection.

IPC Classes  ?

  • A61K 39/00 - Medicinal preparations containing antigens or antibodies
  • B01D 15/34 - Size-selective separation, e.g. size-exclusion chromatographyGel filtrationPermeation
  • B01D 15/36 - Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion
  • B01D 15/38 - Selective adsorption, e.g. chromatography characterised by the separation mechanism involving specific interaction not covered by one or more of groups , e.g. affinity, ligand exchange or chiral chromatography
  • C07K 1/16 - ExtractionSeparationPurification by chromatography
  • C07K 1/18 - Ion-exchange chromatography
  • C07K 1/22 - Affinity chromatography or related techniques based upon selective absorption processes
  • C12N 7/00 - Viruses, e.g. bacteriophagesCompositions thereofPreparation or purification thereof
  • A61K 39/145 - Orthomyxoviridae, e.g. influenza virus
  • A61K 47/69 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the conjugate being characterised by physical or galenical forms, e.g. emulsion, particle, inclusion complex, stent or kit
  • A61K 38/36 - Blood coagulation or fibrinolysis factors

12.

Vaccines formed by virus and antigen conjugation

      
Application Number 16919943
Grant Number 11696948
Status In Force
Filing Date 2020-07-02
First Publication Date 2021-01-07
Grant Date 2023-07-11
Owner KBIO HOLDINGS LIMITED (United Kingdom)
Inventor
  • Hume, Steven D.
  • Burden, Leigh
  • Morton, Joshua
  • Pogue, Greg
  • Bratcher, Barry
  • Haydon, Hugh A.
  • Simpson, Carrie A.
  • Partain, Nick
  • Oh, Youngjun
  • Shepherd, John W.
  • Pauly, Michael H.

Abstract

Disclosed herein are methods of forming compounds and exemplary compounds in the nature of a conjugated compound, which in some embodiments comprises an antigen and virus particle mixed in a conjugation reaction to form a conjugate mixture, such that the conditions and steps of forming these products allow for use of the conjugate mixture as a vaccine, including but not limited to use as a vaccine against various pathogens including for treatment of diseases caused by novel coronaviruses (including SARS-COV 2).

IPC Classes  ?

  • A61K 39/215 - Coronaviridae, e.g. avian infectious bronchitis virus
  • A61K 39/145 - Orthomyxoviridae, e.g. influenza virus
  • A61K 39/12 - Viral antigens
  • A61K 47/68 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the non-active ingredient being a modifying agent the modifying agent being an antibody, an immunoglobulin or a fragment thereof, e.g. an Fc-fragment
  • C07K 16/46 - Hybrid immunoglobulins
  • A61P 31/16 - Antivirals for RNA viruses for influenza or rhinoviruses
  • A61P 31/14 - Antivirals for RNA viruses
  • A61K 47/42 - ProteinsPolypeptidesDegradation products thereofDerivatives thereof, e.g. albumin, gelatin or zein

13.

Virus and antigen purification and conjugation

      
Application Number 16709063
Grant Number 11529413
Status In Force
Filing Date 2019-12-10
First Publication Date 2020-04-16
Grant Date 2022-12-20
Owner KBIO HOLDINGS LIMITED (United Kingdom)
Inventor
  • Burden, Leigh
  • Hume, Steven D.
  • Morton, Joshua
  • Pogue, Greg
  • Bratcher, Barry
  • Haydon, Hugh A.
  • Simpson, Carrie A.
  • Partain, Nick
  • Shepherd, John W.

Abstract

Disclosed herein are methods of forming compounds and exemplary compounds in the nature of a conjugated compound demonstrating enhanced stability, which in some embodiments comprises a protein and virus particle mixed in a conjugation reaction to form a conjugate mixture, such that the conditions and steps of forming these products allow for unrefrigerated storage for longer time periods than previous approaches, thus making feasible access to such products over a global supply chain.

IPC Classes  ?

  • A61K 39/385 - Haptens or antigens, bound to carriers
  • C12N 7/00 - Viruses, e.g. bacteriophagesCompositions thereofPreparation or purification thereof
  • A61K 39/00 - Medicinal preparations containing antigens or antibodies

14.

Virus purification

      
Application Number 16437770
Grant Number 10822591
Status In Force
Filing Date 2019-06-11
First Publication Date 2019-12-12
Grant Date 2020-11-03
Owner KBIO HOLDINGS LIMITED (United Kingdom)
Inventor
  • Burden, Leigh
  • Hume, Steven D.
  • Morton, Joshua
  • Pogue, Greg
  • Bratcher, Barry
  • Haydon, Hugh A.
  • Simpson, Carrie A.
  • Partain, Nick
  • Shepherd, John W.

Abstract

Disclosed herein are methods and exemplary compositions associated with virus purification, exemplary aspects of which may include harvesting viral and antigenic substances from source organisms; and a purification platform comprising chemical separation and size-difference separation for the removal of contaminants, debris and impurities from the viral and protein (e.g. antigenic, including influenza hemagglutinin antigens) substances, as well as their concentration and collection.

IPC Classes  ?

  • C12N 7/00 - Viruses, e.g. bacteriophagesCompositions thereofPreparation or purification thereof
  • B01D 15/34 - Size-selective separation, e.g. size-exclusion chromatographyGel filtrationPermeation
  • B01D 15/36 - Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion
  • B01D 15/38 - Selective adsorption, e.g. chromatography characterised by the separation mechanism involving specific interaction not covered by one or more of groups , e.g. affinity, ligand exchange or chiral chromatography
  • C07K 1/16 - ExtractionSeparationPurification by chromatography
  • C07K 1/18 - Ion-exchange chromatography
  • C07K 1/22 - Affinity chromatography or related techniques based upon selective absorption processes
  • A61K 47/69 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the conjugate being characterised by physical or galenical forms, e.g. emulsion, particle, inclusion complex, stent or kit
  • A61K 38/36 - Blood coagulation or fibrinolysis factors
  • A61K 39/00 - Medicinal preparations containing antigens or antibodies
  • A61K 39/145 - Orthomyxoviridae, e.g. influenza virus

15.

Virus and antigen purification and conjugation

      
Application Number 16437734
Grant Number 11485956
Status In Force
Filing Date 2019-06-11
First Publication Date 2019-12-12
Grant Date 2022-11-01
Owner KBIO HOLDINGS LIMITED (United Kingdom)
Inventor
  • Burden, Leigh
  • Hume, Steven D.
  • Morton, Joshua
  • Pogue, Greg
  • Bratcher, Barry
  • Haydon, Hugh A.
  • Simpson, Carrie A.
  • Partain, Nick
  • Shepherd, John W.

Abstract

Disclosed herein are methods and exemplary compositions associated with virus purification, antigen purification, and conjugation of virus and proteins (e.g., antigen) to form vaccines for delivery of immunological and other therapeutic agents, exemplary aspects of which may include harvesting viral and antigenic substances from source organisms; a purification platform comprising chemical separation and size-difference separation for the removal of contaminants, debris and impurities from the viral and protein (e.g. antigenic, including influenza hemagglutinin antigens) substances, as well as their concentration and collection; and a conjugation platform providing activation of the virus at a pH that increases binding rate and binding propensity between the virus and the protein, wherein embodiments related to the conjugation platform include controlling the ratio of virus to protein.

IPC Classes  ?

  • A61K 38/36 - Blood coagulation or fibrinolysis factors
  • C07K 1/18 - Ion-exchange chromatography
  • C12N 7/00 - Viruses, e.g. bacteriophagesCompositions thereofPreparation or purification thereof
  • B01D 15/34 - Size-selective separation, e.g. size-exclusion chromatographyGel filtrationPermeation
  • B01D 15/36 - Selective adsorption, e.g. chromatography characterised by the separation mechanism involving ionic interaction, e.g. ion-exchange, ion-pair, ion-suppression or ion-exclusion
  • B01D 15/38 - Selective adsorption, e.g. chromatography characterised by the separation mechanism involving specific interaction not covered by one or more of groups , e.g. affinity, ligand exchange or chiral chromatography
  • A61K 47/69 - Medicinal preparations characterised by the non-active ingredients used, e.g. carriers or inert additivesTargeting or modifying agents chemically bound to the active ingredient the non-active ingredient being chemically bound to the active ingredient, e.g. polymer-drug conjugates the conjugate being characterised by physical or galenical forms, e.g. emulsion, particle, inclusion complex, stent or kit
  • A61K 39/00 - Medicinal preparations containing antigens or antibodies
  • A61K 39/145 - Orthomyxoviridae, e.g. influenza virus
  • C07K 1/16 - ExtractionSeparationPurification by chromatography
  • C07K 1/22 - Affinity chromatography or related techniques based upon selective absorption processes

16.

Plant-based recombinant butyrylcholinesterase production methods

      
Application Number 15602622
Grant Number 10035994
Status In Force
Filing Date 2017-05-23
First Publication Date 2017-11-02
Grant Date 2018-07-31
Owner KBIO HOLDINGS LIMITED (United Kingdom)
Inventor
  • Pogue, Greg
  • Hiatt, Ernie
  • Kandzia, Romy
  • Werner, Stefan
  • Thieme, Frank
  • Mor, Tsafrir
  • Hume, Steven

Abstract

A new, reliable, easily scalable and reproducible method for the production of recombinant butyrylcholinesterase (rBuChE) is provided. Through the utilization of a plant transfection procedure, various plant strains have been shown to generate effective and scalable amounts of rBuChE under acceptable manufacturing processes to permit reliable levels of such enzymes for desired nerve agent protection requirements (including tetrameric products). As well, such methods in engineered plant lines have shown suitable production of these enzymes in tetramer form with glycan formation and sialylation (for terminal groups) to allow for optimal potency against organophosphorus agent exposure as well as proper immunogenic response within the plant sources. The overall production method, including the transfection and production within mammalian cells, as well as the process steps involved for such a reliable sourcing platform from plants is thus encompassed within the invention.

IPC Classes  ?

17.

Method of purifying monoclonal antibodies

      
Application Number 15110200
Grant Number 10214747
Status In Force
Filing Date 2014-10-03
First Publication Date 2016-11-17
Grant Date 2019-02-26
Owner KBIO HOLDINGS LIMITED (United Kingdom)
Inventor
  • Morton, Josh
  • Bratcher, Barry
  • Swope, Kelsi
  • Hiatt, Iii, Emmett Ernest
  • Hume, Steven D.
  • Zeitlin, Larry

Abstract

A new platform method to purify plant-based monoclonal antibodies is provided. Such a method includes an antibody purification platform that involves a standardized procedure for the production of a wide array of different antibodies within a simplified context. The versatility of the overall purification process accords a one-size-fits-all approach for myriad antibody products and includes plant tissue harvesting, extraction and clarification, filtrate generation, a succession of column chromatography procedures, and buffer exposure to provide the desired monoclonal antibodies in proper filtered and purified form for further incorporation and/or use within medicaments and other formulations. Thus, the purified monoclonal antibodies produced thereby such a method are also encompassed within this invention.

IPC Classes  ?

  • C07K 1/36 - ExtractionSeparationPurification by a combination of two or more processes of different types
  • B01D 15/38 - Selective adsorption, e.g. chromatography characterised by the separation mechanism involving specific interaction not covered by one or more of groups , e.g. affinity, ligand exchange or chiral chromatography
  • C07K 16/00 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies
  • C07K 16/06 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies from serum
  • C07K 16/16 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies against material from plants
  • C12N 15/82 - Vectors or expression systems specially adapted for eukaryotic hosts for plant cells
  • C07K 16/10 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies against material from viruses from RNA viruses
  • C07K 16/12 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies against material from bacteria
  • C07K 16/32 - Immunoglobulins, e.g. monoclonal or polyclonal antibodies against material from animals or humans against translation products from oncogenes

18.

Plant-based recombinant butyrylcholinesterase production methods

      
Application Number 14448545
Grant Number 09688970
Status In Force
Filing Date 2014-07-31
First Publication Date 2015-07-02
Grant Date 2017-06-27
Owner KBIO HOLDINGS LIMITED (United Kingdom)
Inventor
  • Pogue, Greg
  • Hiatt, Ernie
  • Kandzia, Romy
  • Werner, Stefan
  • Thieme, Frank
  • Mor, Tsafrir
  • Hume, Steven

Abstract

A new, reliable, easily scalable and reproducible method for the production of recombinant butyrylcholinesterase (rBuChE) is provided. Through the utilization of a plant transfection procedure, various plant strains have been shown to generate effective and scalable amounts of rBuChE under acceptable manufacturing processes to permit reliable levels of such enzymes for desired nerve agent protection requirements (including tetrameric products). As well, such methods in engineered plant lines have shown suitable production of these enzymes in tetramer form with glycan formation and sialyalation (for terminal groups) to allow for optimal potency against organophosphorus agent exposure as well as proper immunogenic response within the plant sources. The overall production method, including the transfection and production within mammalian cells, as well as the process steps involved for such a reliable sourcing platform from plants is thus encompassed within the invention.

IPC Classes  ?

  • A61K 38/46 - Hydrolases (3)
  • C12N 9/18 - Carboxylic ester hydrolases
  • C12N 15/63 - Introduction of foreign genetic material using vectorsVectorsUse of hosts thereforRegulation of expression
  • C12N 15/82 - Vectors or expression systems specially adapted for eukaryotic hosts for plant cells

19.

GENEWARE

      
Serial Number 75716636
Status Registered
Filing Date 1999-05-28
Registration Date 2002-03-19
Owner KBIO HOLDINGS LIMITED (United Kingdom)
NICE Classes  ? 42 - Scientific, technological and industrial services, research and design

Goods & Services

COMPUTER BASED GENETIC AND BIOLOGICAL RESEARCH