Patents by Inventor Kejin Zhou

Kejin Zhou has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Publication number: 20240391869
    Abstract: Modular dendrimers with cationic groups and lipophilic groups are provided herein. In some aspects, the dendrimers provided herein may be formulated in compositions which contain a nucleic acid and one or more helper excipients. In some aspects, these compositions may also be used to treat diseases or disorders with a therapeutic nucleic acid.
    Type: Application
    Filed: August 12, 2024
    Publication date: November 28, 2024
    Applicant: The Board of Regents of The University of Texas System
    Inventors: Daniel J. SIEGWART, Kejin ZHOU
  • Patent number: 12091486
    Abstract: Provided herein are block copolymers comprising a hydrophilic polymer segment and a hydrophobic polymer segment, wherein the hydrophilic polymer segment comprises a polymer selected from the group consisting of: poly(ethylene oxide) (PEO), poly(methacrylate phosphatidyl choline) (MPC), and polyvinylpyrrolidone (PVP), wherein the hydrophobic polymer segment comprises wherein R? is —H or —CH3, wherein R is —NR1R2, wherein R1 and R2 are alkyl groups, wherein R1 and R2 are the same or different, wherein R1 and R2 together have from 5 to 16 carbons, wherein R1 and R2 may optionally join to form a ring, wherein n is 1 to about 10, and wherein x is about 20 to about 200 in total. Also provided are pH-sensitive micelle compositions for therapeutic and diagnostic applications.
    Type: Grant
    Filed: July 1, 2022
    Date of Patent: September 17, 2024
    Assignee: The Board of Regents of The University of Texas System
    Inventors: Jinming Gao, David Boothman, Kejin Zhou, Xiaonan Huang, Yiguang Wang
  • Patent number: 12024486
    Abstract: Modular dendrimers with cationic groups and lipophilic groups are provided herein. In some aspects, the dendrimers provided herein may be formulated in compositions which contain a nucleic acid and one or more helper excipients. In some aspects, these compositions may also be used to treat diseases or disorders with a therapeutic nucleic acid.
    Type: Grant
    Filed: June 15, 2023
    Date of Patent: July 2, 2024
    Assignee: The Board of Regents of The University of Texas System
    Inventors: Daniel J. Siegwart, Kejin Zhou
  • Patent number: 11999683
    Abstract: Modular dendrimers with cationic groups and lipophilic groups are provided herein. In some aspects, the dendrimers provided herein may be formulated in compositions which contain a nucleic acid and one or more helper excipients. In some aspects, these compositions may also be used to treat diseases or disorders with a therapeutic nucleic acid.
    Type: Grant
    Filed: June 15, 2023
    Date of Patent: June 4, 2024
    Assignee: The Board of Regents of The University of Texas System
    Inventors: Daniel J. Siegwart, Kejin Zhou
  • Publication number: 20240150306
    Abstract: Provided herein are compounds having one or more cleavable disulfide moieties and one or more hydrophobic tail moieties (HTM) for delivery of one or more therapeutic or diagnostic agents. In some embodiments, the one or more therapeutic or diagnostic agents are biologics. In some embodiments, the one or more therapeutic or diagnostic agents are delivered to cancer cells.
    Type: Application
    Filed: September 27, 2023
    Publication date: May 9, 2024
    Inventor: Kejin ZHOU
  • Publication number: 20240116859
    Abstract: Modular dendrimers with cationic groups and lipophilic groups are provided herein. In some aspects, the dendrimers provided herein may be formulated in compositions which contain a nucleic acid and one or more helper excipients. In some aspects, these compositions may also be used to treat diseases or disorders with a therapeutic nucleic acid.
    Type: Application
    Filed: November 13, 2023
    Publication date: April 11, 2024
    Applicant: The Board of Regents of The University of Texas System
    Inventors: Daniel J. SIEGWART, Kejin ZHOU
  • Publication number: 20240116860
    Abstract: Modular dendrimers with cationic groups and lipophilic groups are provided herein. In some aspects, the dendrimers provided herein may be formulated in compositions which contain a nucleic acid and one or more helper excipients. In some aspects, these compositions may also be used to treat diseases or disorders with a therapeutic nucleic acid.
    Type: Application
    Filed: November 13, 2023
    Publication date: April 11, 2024
    Applicant: The Board of Regents of The University of Texas System
    Inventors: Daniel J. SIEGWART, Kejin ZHOU
  • Publication number: 20240083842
    Abstract: Modular dendrimers with cationic groups and lipophilic groups are provided herein. In some aspects, the dendrimers provided herein may be formulated in compositions which contain a nucleic acid and one or more helper excipients. In some aspects, these compositions may also be used to treat diseases or disorders with a therapeutic nucleic acid.
    Type: Application
    Filed: November 13, 2023
    Publication date: March 14, 2024
    Applicant: The Board of Regents of The University of Texas System
    Inventors: Daniel J. SIEGWART, Kejin ZHOU
  • Publication number: 20240043378
    Abstract: Modular dendrimers with cationic groups and lipophilic groups are provided herein. In some aspects, the dendrimers provided herein may be formulated in compositions which contain a nucleic acid and one or more helper excipients. In some aspects, these compositions may also be used to treat diseases or disorders with a therapeutic nucleic acid.
    Type: Application
    Filed: June 15, 2023
    Publication date: February 8, 2024
    Applicant: The Board of Regents of The University of Texas System
    Inventors: Daniel J. SIEGWART, Kejin ZHOU
  • Publication number: 20240025848
    Abstract: Modular dendrimers with cationic groups and lipophilic groups are provided herein. In some aspects, the dendrimers provided herein may be formulated in compositions which contain a nucleic acid and one or more helper excipients. In some aspects, these compositions may also be used to treat diseases or disorders with a therapeutic nucleic acid.
    Type: Application
    Filed: June 15, 2023
    Publication date: January 25, 2024
    Applicant: The Board of Regents of The University of Texas System
    Inventors: Daniel J. SIEGWART, Kejin ZHOU
  • Publication number: 20240010614
    Abstract: Modular dendrimers with cationic groups and lipophilic groups are provided herein. In some aspects, the dendrimers provided herein may be formulated in compositions which contain a nucleic acid and one or more helper excipients. In some aspects, these compositions may also be used to treat diseases or disorders with a therapeutic nucleic acid.
    Type: Application
    Filed: June 15, 2023
    Publication date: January 11, 2024
    Applicant: The Board of Regents of The University of Texas System
    Inventors: Daniel J. SIEGWART, Kejin ZHOU
  • Patent number: 11858884
    Abstract: Disclosed herein are methods for modulating an amount or activity of a gene or a gene product in a cell. The methods herein may comprise contacting a cell with a therapeutic agent assembled with a lipid composition, which lipid composition may comprise a dendrimer or dendron which may comprise one or more degradable diacyl group, in which may result in modulating the amount or activity of the gene or the gene product in the cell. The therapeutic agent modulating a gene or gene product in a cell may be sufficient to treat a disease or disorder in a subject. Further disclosed herein are pharmaceutical compositions, kits, and lipid compositions for modulating an amount or activity of a gene or a gene product in a cell.
    Type: Grant
    Filed: December 30, 2021
    Date of Patent: January 2, 2024
    Assignee: The Board of Regents of The University of Texas System
    Inventors: Daniel J. Siegwart, Kejin Zhou
  • Publication number: 20230085899
    Abstract: Provided herein are block copolymers comprising a hydrophilic polymer segment and a hydrophobic polymer segment, wherein the hydrophilic polymer segment comprises a polymer selected from the group consisting of: poly(ethylene oxide) (PEO), poly(methacrylate phosphatidyl choline) (MPC), and polyvinylpyrrolidone (PVP), wherein the hydrophobic polymer segment comprises wherein R? is —H or —CH3, wherein R is —NR1R2, wherein R1 and R2 are alkyl groups, wherein R1 and R2 are the same or different, wherein R1 and R2 together have from 5 to 16 carbons, wherein R1 and R2 may optionally join to form a ring, wherein n is 1 to about 10, and wherein x is about 20 to about 200 in total. Also provided are pH-sensitive micelle compositions for therapeutic and diagnostic applications.
    Type: Application
    Filed: July 1, 2022
    Publication date: March 23, 2023
    Applicant: The Board of Regents of The University of Texas System
    Inventors: Jinming GAO, David BOOTHMAN, Kejin ZHOU, Xiaonan HUANG, Yiguang WANG
  • Patent number: 11447593
    Abstract: Provided herein are block copolymers comprising a hydrophilic polymer segment and a hydrophobic polymer segment, wherein the hydrophilic polymer segment comprises a polymer selected from the group consisting of: poly(ethylene oxide) (PEO), poly(methacrylate phosphatidyl choline) (MPC), and polyvinylpyrrolidone (PVP), wherein the hydrophobic polymer segment comprises wherein R? is —H or —CH3, wherein R is —NR1R2, wherein R1 and R2 are alkyl groups, wherein R1 and R2 are the same or different, wherein R1 and R2 together have from 5 to 16 carbons, wherein R1 and R2 may optionally join to form a ring, wherein n is 1 to about 10, and wherein x is about 20 to about 200 in total. Also provided are pH-sensitive micelle compositions for therapeutic and diagnostic applications.
    Type: Grant
    Filed: March 10, 2020
    Date of Patent: September 20, 2022
    Assignee: The Board of Regents of The University of Texas System
    Inventors: Jinming Gao, David Boothman, Kejin Zhou, Xiaonan Huang, Yiguang Wang
  • Publication number: 20220257792
    Abstract: Disclosed herein are methods for modulating an amount or activity of a gene or a gene product in a cell. The methods herein may comprise contacting a cell with a therapeutic agent assembled with a lipid composition, which lipid composition may comprise a dendrimer or dendron which may comprise one or more degradable diacyl group, in which may result in modulating the amount or activity of the gene or the gene product in the cell. The therapeutic agent modulating a gene or gene product in a cell may be sufficient to treat a disease or disorder in a subject. Further disclosed herein are pharmaceutical compositions, kits, and lipid compositions for modulating an amount or activity of a gene or a gene product in a cell.
    Type: Application
    Filed: December 30, 2021
    Publication date: August 18, 2022
    Applicant: The Board of Regents of The University of Texas System
    Inventors: Daniel J. SIEGWART, Kejin ZHOU
  • Patent number: 11247968
    Abstract: Modular dendrimers with cationic groups and lipophilic groups are provided herein. In some aspects, the dendrimers provided herein may be formulated in compositions which contain a nucleic acid and one or more helper excipients. In some aspects, these compositions may also be used to treat diseases or disorders with a therapeutic nucleic acid.
    Type: Grant
    Filed: September 14, 2016
    Date of Patent: February 15, 2022
    Assignee: The Board of Regents of The University of Texas System
    Inventors: Daniel J. Siegwart, Kejin Zhou
  • Patent number: 11098150
    Abstract: Provided herein are block copolymers comprising a hydrophilic polymer segment and a hydrophobic polymer segment, wherein the hydrophilic polymer segment comprises a polymer selected from the group consisting of: poly(ethylene oxide) (PEO), poly(methacrylate phosphatidyl choline) (MPC), and polyvinylpyrrolidone (PVP), wherein the hydrophobic polymer segment comprises wherein R? is —H or —CH3, wherein R is —NR1R2, wherein R1 and R2 are alkyl groups, wherein R1 and R2 are the same or different, wherein R1 and R2 together have from 5 to 16 carbons, wherein R1 and R2 may optionally join to form a ring, wherein n is 1 to about 10, and wherein x is about 20 to about 200 in total. Also provided are pH-sensitive micelle compositions for therapeutic and diagnostic applications.
    Type: Grant
    Filed: June 13, 2018
    Date of Patent: August 24, 2021
    Assignee: The Board of Regents of the University of Texas System
    Inventors: Jinming Gao, David Boothman, Kejin Zhou, Xiaonan Huang, Yiguang Wang
  • Publication number: 20210198410
    Abstract: Provided herein are block copolymers comprising a hydrophilic polymer segment and a hydrophobic polymer segment, wherein the hydrophilic polymer segment comprises a polymer selected from the group consisting of: poly(ethylene oxide) (PEO), poly(methacrylate phosphatidyl choline) (MPC), and polyvinylpyrrolidone (PVP), wherein the hydrophobic polymer segment comprises wherein R? is —H or —CH3, wherein R is —NR1R2, wherein R1 and R2 are alkyl groups, wherein R1 and R2 are the same or different, wherein R1 and R2 together have from 5 to 16 carbons, wherein R1 and R2 may optionally join to form a ring, wherein n is 1 to about 10, and wherein x is about 20 to about 200 in total. Also provided are pH-sensitive micelle compositions for therapeutic and diagnostic applications.
    Type: Application
    Filed: March 10, 2021
    Publication date: July 1, 2021
    Applicant: The Board of Regents of the University of Texas System
    Inventors: Jinming GAO, David BOOTHMAN, Kejin ZHOU, Xiaonan HUANG, Yiguang WANG
  • Publication number: 20200330383
    Abstract: Provided herein are block copolymers comprising a hydrophilic polymer segment and a hydrophobic polymer segment, wherein the hydrophilic polymer segment comprises a polymer selected from the group consisting of: poly(ethylene oxide) (PEO), poly(methacrylate phosphatidyl choline) (MPC), and polyvinylpyrrolidone (PVP), wherein the hydrophobic polymer segment comprises wherein R? is —H or —CH3, wherein R is —NR1R2, wherein R1 and R2 are alkyl groups, wherein R1 and R2 are the same or different, wherein R1 and R2 together have from 5 to 16 carbons, wherein R1 and R2 may optionally join to form a ring, wherein n is 1 to about 10, and wherein x is about 20 to about 200 in total. Also provided are pH-sensitive micelle compositions for therapeutic and diagnostic applications.
    Type: Application
    Filed: March 10, 2020
    Publication date: October 22, 2020
    Applicant: The Board of Regents of the University of Texas System
    Inventors: Jinming GAO, David BOOTHMAN, Kejin ZHOU, Xiaonan HUANG, Yiguang WANG
  • Publication number: 20200333350
    Abstract: Provided herein are block copolymers comprising a hydrophilic polymer segment and a hydrophobic polymer segment, wherein the hydrophilic polymer segment comprises a polymer selected from the group consisting of: poly(ethylene oxide) (PEO), poly(methacrylate phosphatidyl choline) (MPC), and polyvinylpyrrolidone (PVP), wherein the hydrophobic polymer segment comprises wherein R? is —H or —CH3, wherein R is —NR1R2, wherein R1 and R2 are alkyl groups, wherein R1 and R2 are the same or different, wherein R1 and R2 together have from 5 to 16 carbons, wherein R1 and R2 may optionally join to form a ring, wherein n is 1 to about 10, and wherein x is about 20 to about 200 in total. Also provided are pH-sensitive micelle compositions for therapeutic and diagnostic applications.
    Type: Application
    Filed: March 10, 2020
    Publication date: October 22, 2020
    Applicant: The Board of Regents of the University of Texas System
    Inventors: Jinming GAO, David BOOTHMAN, Kejin ZHOU, Xiaonan HUANG, Yiguang WANG