Patents by Inventor Aldrich N. K. Lau

Aldrich N. K. Lau 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: 20240117362
    Abstract: Embodiments of the present disclosure relate to lipid-PEGylated solid support and phosphoramidites derivatives, methods for preparing the same, and their uses in the delivery of oligonucleotide drugs to the cellular targets.
    Type: Application
    Filed: August 16, 2023
    Publication date: April 11, 2024
    Inventors: Mufa Zou, David Yu, Aldrich N.K. Lau, Ruiming Zou, Wing C. Poon, Gang Zhao, Gengyu Du, Yun-Chiao Yao, Allen Wong, Xiaojun Li
  • Publication number: 20240118238
    Abstract: Embodiments of the present application relate to compositions comprising a sieving component, and a surface interactive component comprising an interpenetrating polymer network that includes comprising a hydrophilic N-vinyl amide polymer and a hydrophilic acrylamide polymer. The compositions are used for separating analytes by capillary electrophoresis. Kits and methods including the compositions for separating analytes by capillary electrophoresis are also provided.
    Type: Application
    Filed: December 14, 2021
    Publication date: April 11, 2024
    Inventors: Aldrich N.K. Lau, Jingshe Song
  • Publication number: 20240092817
    Abstract: Embodiments of the present application relate to polymers used as polymeric polyvalent hub for liquid phase oligonucleotide synthesis. Methods for making an oligonucleotide by liquid phase oligonucleotide synthesis using the polyvalent hub are also provided.
    Type: Application
    Filed: November 9, 2023
    Publication date: March 21, 2024
    Inventors: Gaomai Yang, Yun-Chiao Yao, David Yu, Aldrich N.K. Lau
  • Publication number: 20240052071
    Abstract: Embodiments of the present application relate to porous polymeric beads solid support for use in oligonucleotide synthesis and the method of producing and using the same. Further embodiments relate to porous polymeric beads and method for preparing and using the same.
    Type: Application
    Filed: October 9, 2023
    Publication date: February 15, 2024
    Inventors: Jingshe Song, John Michael Cue, Yun-Chiao Yao, David Yu, Aldrich N.K. Lau
  • Patent number: 11897914
    Abstract: Embodiments of the present application relate to the preparation of 2?-O-protected nucleoside phosphoramidites and conjugation of the 2?-O-protected nucleoside to a solid support. More specifically, the present application relates to nucleosides having a hydroxy protecting group at the 2? position that reduces migration to the 3? position during RNA (e.g., mRNA) synthesis and can be readily removed under mild conditions without the use of toxic metal-containing reagents. Methods of using the nucleosides described herein in RNA synthesis are also disclosed.
    Type: Grant
    Filed: November 28, 2022
    Date of Patent: February 13, 2024
    Assignee: Hongene Biotech Corporation
    Inventors: Wing C. Poon, Ruiming Zou, Aldrich N. K. Lau, David Yu, Gengyu Du, Yun-Chiao Yao, Gang Zhao
  • Patent number: 11884691
    Abstract: Embodiments of the present application relate to functionalized N-acetylgalactosamine-analogs, methods of making, and uses of the same. In particular, mono or trivalent N-acetylgalactosamine analogs may be prepared by utilizing a wide variety of linkers containing functional groups. These functionalized N-acetylgalactosamine-analogs may be used in the preparation of targeted delivery of oligonucleotide-based therapeutics.
    Type: Grant
    Filed: May 18, 2023
    Date of Patent: January 30, 2024
    Assignee: Hongene Biotech Corporation
    Inventors: Wing C. Poon, Gang Zhao, Gengyu Du, Yun-Chiao Yao, Mufa Zou, Xiaoyang Guan, Xiaoling Zheng, David Yu, Ruiming Zou, Aldrich N. K. Lau
  • Publication number: 20240002420
    Abstract: Embodiments of the present application relate to polymers used as polymeric polyvalent hubs for liquid phase oligonucleotide synthesis. Methods for making an oligonucleotide by liquid phase oligonucleotide synthesis using the polymers are also provided.
    Type: Application
    Filed: June 19, 2023
    Publication date: January 4, 2024
    Inventors: Gaomai Yang, Jingshe Song, Shengdong Wang, Yun-Chiao Yao, Hongrong Yang, David Yu, Aldrich N.K. Lau
  • Publication number: 20230416295
    Abstract: Embodiments of the present application relate to the preparation of 2?-O-protected nucleoside phosphoramidites and conjugation of the 2?-O-protected nucleoside to a solid support. More specifically, the present application relates to nucleosides having a hydroxy protecting group at the 2? position that reduces migration to the 3? position during RNA (e.g., mRNA) synthesis and can be readily removed under mild conditions without the use of toxic metal-containing reagents. Methods of using the nucleosides described herein in RNA synthesis are also disclosed.
    Type: Application
    Filed: November 28, 2022
    Publication date: December 28, 2023
    Inventors: Wing C. Poon, Ruiming Zou, Aldrich N.K. Lau, David Yu, Gengyu Du, Yun-Chiao Yao, Gang Zhao
  • Patent number: 11851454
    Abstract: Embodiments of the present application relate to polymers used as polymeric polyvalent hub for liquid phase oligonucleotide synthesis. Methods for making an oligonucleotide by liquid phase oligonucleotide synthesis using the polyvalent hub are also provided.
    Type: Grant
    Filed: December 23, 2022
    Date of Patent: December 26, 2023
    Assignee: Hongene Biotech Corporation
    Inventors: Gaomai Yang, Yun-Chiao Yao, David Yu, Aldrich N. K. Lau
  • Patent number: 11814450
    Abstract: Embodiments of the present application relate to porous polymeric beads solid support for use in oligonucleotide synthesis and the method of producing and using the same. Further embodiments relate to porous polymeric beads and method for preparing and using the same.
    Type: Grant
    Filed: October 20, 2022
    Date of Patent: November 14, 2023
    Assignee: Hongene Biotech Corporation
    Inventors: Jingshe Song, John Michael Cue, Yun-Chiao Yao, David Yu, Aldrich N. K. Lau
  • Publication number: 20230340000
    Abstract: Embodiments of the present application relate to functionalized N-acetylgalactosamine-analogs, methods of making, and uses of the same. In particular, mono or trivalent N-acetylgalactosamine analogs may be prepared by utilizing a wide variety of linkers containing functional groups. These functionalized N-acetylgalactosamine-analogs may be used in the preparation of targeted delivery of oligonucleotide-based therapeutics.
    Type: Application
    Filed: May 18, 2023
    Publication date: October 26, 2023
    Inventors: Wing C. POON, Gang ZHAO, Gengyu DU, Yun-Chiao YAO, Mufa ZOU, Xiaoyang GUAN, Xiaoling ZHENG, David YU, Ruiming ZOU, Aldrich N.K. LAU
  • Patent number: 11725073
    Abstract: Embodiments of the present application relate to polymers for liquid phase oligonucleotide synthesis. Methods for making an oligonucleotide by liquid phase oligonucleotide synthesis, comprising dissolving a polyvalent hub having a plurality of functional groups in a solvent and contacting the polyvalent hub with one or more nucleoside analogs to form a first bioconjugate are also provided.
    Type: Grant
    Filed: December 27, 2021
    Date of Patent: August 15, 2023
    Assignee: Hongene Biotech Corporation
    Inventors: Aldrich N. K. Lau, Xiaoyang Guan, David Yu
  • Publication number: 20230212209
    Abstract: Embodiments of the present application relate to polymers used as polymeric polyvalent hub for liquid phase oligonucleotide synthesis. Methods for making an oligonucleotide by liquid phase oligonucleotide synthesis using the polyvalent hub are also provided.
    Type: Application
    Filed: December 23, 2022
    Publication date: July 6, 2023
    Inventors: Gaomai Yang, Yun-Chiao Yao, David Yu, Aldrich N.K. Lau
  • Patent number: 11692001
    Abstract: Embodiments of the present application relate to functionalized N-acetylgalactosamine-analogs, methods of making, and uses of the same. In particular, mono or trivalent N-acetylgalactosamine analogs may be prepared by utilizing a wide variety of linkers containing functional groups. These functionalized N-acetylgalactosamine-analogs may be used in the preparation of targeted delivery of oligonucleotide-based therapeutics.
    Type: Grant
    Filed: August 26, 2022
    Date of Patent: July 4, 2023
    Assignee: Hongene Biotech Corporation
    Inventors: Wing C. Poon, Gang Zhao, Gengyu Du, Yun-Chiao Yao, Mufa Zou, Xiaoyang Guan, Xiaoling Zheng, David Yu, Ruiming Zou, Aldrich N. K. Lau
  • Patent number: 11649260
    Abstract: Embodiments of the present application relate to N-acetylgalactosamine-conjugated nucleosides. In particular, the N-acetylgalactosamine is installed on the nucleobase of the nucleosides through a wide variety of linkers. Methods of making N-acetylgalactosamine-conjugated nucleosides are also disclosed herein. N-acetylgalactosamine is a well-defined liver-targeted moiety and N-acetylgalactosamine-conjugated nucleosides may be used in the preparation of targeted delivery of oligonucleotide-based therapeutics.
    Type: Grant
    Filed: June 16, 2022
    Date of Patent: May 16, 2023
    Assignee: Hongene Biotech Corporation
    Inventors: Xiaoyang Guan, David Yu, Ruiming Zou, Xiaoling Zheng, John Liu, Aldrich N. K. Lau, Wing C. Poon, Gang Zhao, Gengyu Du, Yun-Chiao Yao
  • Publication number: 20230130509
    Abstract: Embodiments of the present application relate to porous polymeric beads solid support for use in oligonucleotide synthesis and the method of producing and using the same. Further embodiments relate to porous polymeric beads and method for preparing and using the same.
    Type: Application
    Filed: October 20, 2022
    Publication date: April 27, 2023
    Inventors: Jingshe Song, John Michael Cue, Yun-Chiao Yao, David Yu, Aldrich N.K. Lau
  • Publication number: 20230100220
    Abstract: Embodiments of the present application relate to functionalized N-acetylgalactosamine-analogs, methods of making, and uses of the same. In particular, mono or trivalent N-acetylgalactosamine analogs may be prepared by utilizing a wide variety of linkers containing functional groups. These functionalized N-acetylgalactosamine-analogs may be used in the preparation of targeted delivery of oligonucleotide-based therapeutics.
    Type: Application
    Filed: August 26, 2022
    Publication date: March 30, 2023
    Inventors: Wing C. POON, Gang ZHAO, Gengyu DU, Yun-Chiao YAO, Mufa ZOU, Xiaoyang GUAN, Xiaoling ZHENG, David YU, Ruiming ZOU, Aldrich N.K. LAU
  • Publication number: 20230034284
    Abstract: Embodiments of the present application relate to N-acetylgalactosamine-conjugated nucleosides. In particular, the N-acetylgalactosamine is installed on the nucleobase of the nucleosides through a wide variety of linkers. Methods of making N-acetylgalactosamine-conjugated nucleosides are also disclosed herein. N-acetylgalactosamine is a well-defined liver-targeted moiety and N-acetylgalactosamine-conjugated nucleosides may be used in the preparation of targeted delivery of oligonucleotide-based therapeutics.
    Type: Application
    Filed: June 16, 2022
    Publication date: February 2, 2023
    Inventors: Xiaoyang Guan, David Yu, Ruiming Zou, Xiaoling Zheng, John Liu, Aldrich N.K. Lau, Wing C. Poon, Gang Zhao, Gengyu Du, Yun-Chiao Yao
  • Publication number: 20220204670
    Abstract: Embodiments of the present application relate to polymers for liquid phase oligonucleotide synthesis. Methods for making an oligonucleotide by liquid phase oligonucleotide synthesis, comprising dissolving a polyvalent hub having a plurality of functional groups in a solvent and contacting the polyvalent hub with one or more nucleoside analogs to form a first bioconjugate are also provided.
    Type: Application
    Filed: December 27, 2021
    Publication date: June 30, 2022
    Inventors: Aldrich N.K. Lau, Xiaoyang Guan, David Yu
  • Patent number: 10683389
    Abstract: Provided herein are methods that comprise providing polymer chains comprising a plurality of reactive groups onto the surface of beads and covalent attachment of functionalized biomolecules, such as primers.
    Type: Grant
    Filed: September 18, 2017
    Date of Patent: June 16, 2020
    Assignee: GENAPSYS, INC.
    Inventors: Aldrich N. K. Lau, Paul M. Kenney, Henrik Persson