Patents by Inventor Gang Qin

Gang Qin 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: 20230097252
    Abstract: The present disclosure relates to the field of biotechnology. In particular, provided are a ligase fusion protein and an immobilized ligase comprising the same. Also provided is use of the ligase fusion protein or the immobilized ligase in the preparation of conjugates. Further provided is a process for the preparation of conjugates using a ligase or a ligase unit.
    Type: Application
    Filed: July 27, 2022
    Publication date: March 30, 2023
    Inventors: Gang QIN, Cao LV, Joachim WALTER, Rolf WERNER, Yunpeng ZHONG
  • Publication number: 20230101266
    Abstract: Provided are novel anti-TROP2 antibodies, novel antibody-drug conjugates, and methods for preparing the same, as well as applications of the antibodies and antibody-drug conjugates for therapeutic purpose.
    Type: Application
    Filed: December 31, 2020
    Publication date: March 30, 2023
    Inventors: Gang QIN, Dong YANG, Lili SHI
  • Patent number: 11578297
    Abstract: A conjugation device includes at least one flow reactor having an inlet and an outlet, the flow reactor(s) being completely filled with a support such as a matrix including 1) chromatography beads, fibers or membranes, and 2) a biologic catalyzer, namely the enzyme ligase, which is immobilized onto this support; a fluid delivery unit in fluid communication with the inlet of the flow reactor(s) and configured to continuously provide the flow reactor(s) with at least one kind of reaction fluid such as antibody and linker-payload according to stages of the conjugation process, the at least one kind of process fluid including a first moiety and a second moiety of a conjugate to be produced; and a fluid collection unit in fluid communication with the outlet of the flow reactor(s) and configured to control collection of fluid flowing out of the outlet of the flow reactor(s) according to the stages of the conjugation process.
    Type: Grant
    Filed: February 9, 2022
    Date of Patent: February 14, 2023
    Assignees: GENEQUANTUM HEALTHCARE (SUZHOU) CO., LTD., LISURE SCIENCE (SUZHOU) CO., LTD
    Inventors: Gang Qin, Sheng Zhou, Cao Lv, Joachim Walter
  • Publication number: 20220403360
    Abstract: The present disclosure relates to the field of biotechnology. In particular, provided are a ligase fusion protein and an immobilized ligase comprising the same. Also provided is use of the ligase fusion protein or the immobilized ligase in the preparation of conjugates. Further provided is a process for the preparation of conjugates using a ligase or a ligase unit.
    Type: Application
    Filed: July 19, 2022
    Publication date: December 22, 2022
    Inventors: Gang QIN, Cao LV, Joachim WALTER, Rolf WERNER, Yunpeng ZHONG
  • Publication number: 20220395581
    Abstract: The present disclosure relates to a linker molecule for targeting molecule-drug conjugate, and the corresponding conjugate, the preparation and use thereof.
    Type: Application
    Filed: April 14, 2022
    Publication date: December 15, 2022
    Inventors: Gang QIN, Paul H. SONG, Mingyu HU
  • Publication number: 20220378930
    Abstract: The present disclosure relates to a linking unit molecule for targeting molecule-drug conjugate, and the corresponding conjugate, the preparation and use thereof, and in particular relates to an antibody-immune agonist conjugate (AIAC) as a novel type of cancer therapy.
    Type: Application
    Filed: March 8, 2022
    Publication date: December 1, 2022
    Inventors: Paul H. SONG, Gang QIN, Chong LIU
  • Patent number: 11453870
    Abstract: The present disclosure relates to the field of biotechnology. In particular, provided are a ligase fusion protein and an immobilized ligase comprising the same. Also provided is use of the ligase fusion protein or the immobilized ligase in the preparation of conjugates. Further provided is a process for the preparation of conjugates using a ligase or a ligase unit.
    Type: Grant
    Filed: July 13, 2021
    Date of Patent: September 27, 2022
    Assignee: GENEQUANTUM HEALTHCARE (SUZHOU) CO. LTD.
    Inventors: Gang Qin, Cao Lv, Joachim Walter, Rolf Werner, Yunpeng Zhong
  • Publication number: 20220251530
    Abstract: The present disclosure relates to the field of biotechnology. In particular, provided are a ligase fusion protein and an immobilized ligase comprising the same. Also provided is use of the ligase fusion protein or the immobilized ligase in the preparation of conjugates. Further provided is a process for the preparation of conjugates using a ligase or a ligase unit.
    Type: Application
    Filed: July 13, 2021
    Publication date: August 11, 2022
    Inventors: Gang QIN, Cao LV, Joachim WALTER, Rolf WERNER, Yunpeng ZHONG
  • Publication number: 20220251494
    Abstract: A conjugation device includes at least one flow reactor having an inlet and an outlet, the flow reactor(s) being completely filled with a support such as a matrix including 1) chromatography beads, fibers or membranes, and 2) a biologic catalyzer, namely the enzyme ligase, which is immobilized onto this support; a fluid delivery unit in fluid communication with the inlet of the flow reactor(s) and configured to continuously provide the flow reactor(s) with at least one kind of reaction fluid such as antibody and linker-payload according to stages of the conjugation process, the at least one kind of process fluid including a first moiety and a second moiety of a conjugate to be produced; and a fluid collection unit in fluid communication with the outlet of the flow reactor(s) and configured to control collection of fluid flowing out of the outlet of the flow reactor(s) according to the stages of the conjugation process.
    Type: Application
    Filed: February 9, 2022
    Publication date: August 11, 2022
    Inventors: Gang QIN, Sheng ZHOU, Cao LV, Joachim WALTER
  • Publication number: 20210401924
    Abstract: The present invention provides a conjugate and preparation method thereof, a pharmaceutical composition comprising the conjugate and use of the pharmaceutical composition in the manufacture of a medicament for the treatment or prevention of a disease.
    Type: Application
    Filed: February 19, 2021
    Publication date: December 30, 2021
    Inventors: Gang Qin, Jinduo Yuan, Lu Jiang, Chubing Tan, Lili Shi, Cao Lv, Leilei Chen
  • Publication number: 20210187114
    Abstract: Provided in the present invention is a linker and a preparation method thereof, wherein one end of the linker may covalently link a small molecule compound and the like and the other end may specifically and covalently link a targeting substance site under the action of Sortase enzyme. The linker of the present invention can be used to prepare a targeting drug conjugate.
    Type: Application
    Filed: December 28, 2020
    Publication date: June 24, 2021
    Applicant: Genequantum Healtcare (Suzhou) Co., LTD.
    Inventors: Gang QIN, Tan CHUBING, Yuan JINDUO, Lu JIANG
  • Patent number: 11040084
    Abstract: The present invention provides a conjugate and preparation method thereof, a pharmaceutical composition comprising the conjugate and use of the pharmaceutical composition in the manufacture of a medicament for the treatment or prevention of a disease.
    Type: Grant
    Filed: April 29, 2015
    Date of Patent: June 22, 2021
    Assignee: GENEQUANTUM HEALTHCARE (SUZHOU) CO., LTD.
    Inventors: Gang Qin, Jinduo Yuan, Lu Jiang, Chubing Tan, Lili Shi, Cao Lv, Leilei Chen
  • Publication number: 20210177929
    Abstract: A conjugate and preparation method therefor, comprising a medication composition comprising the conjugate and a use of the medication composition in preparing medications for the treatment or prevention of diseases.
    Type: Application
    Filed: February 19, 2021
    Publication date: June 17, 2021
    Applicant: GENEQUANTUM HEALTHCARE (SUZHOU) CO., LTD.
    Inventors: Gang Qin, Jinduo Yuan, Lu Jiang, Chubing Tan, Lili Shi, Cao Lv, Leilei Chen
  • Publication number: 20180104349
    Abstract: Provided in the present invention is a linker and a preparation method thereof, wherein one end of the linker may covalently link a small molecule compound and the like and the other end may specifically and covalently link a targeting substance site under the action of Sortase enzyme. The linker of the present invention can be used to prepare a targeting drug conjugate.
    Type: Application
    Filed: April 28, 2014
    Publication date: April 19, 2018
    Inventor: Gang QIN
  • Publication number: 20170112944
    Abstract: The present invention provides a conjugate and preparation method thereof, a pharmaceutical composition comprising the conjugate and use of the pharmaceutical composition in the manufacture of a medicament for the treatment or prevention of a disease.
    Type: Application
    Filed: April 29, 2015
    Publication date: April 27, 2017
    Inventors: Gang Qin, Jinduo Yuan, Lu Jiang, Chubing Tan, Lili Shi, Cao Lv, Leilei Chen
  • Publication number: 20160193355
    Abstract: Provided in the present invention is a linker and a preparation method thereof, wherein one end of the linker may covalently link a small molecule compound and the like and the other end may specifically and covalently link a targeting substance site under the action of Sortase enzyme. The linker of the present invention can be used to prepare a targeting drug conjugate.
    Type: Application
    Filed: April 28, 2014
    Publication date: July 7, 2016
    Inventor: Gang QIN
  • Publication number: 20080148326
    Abstract: The present invention provides a method and a system for obtaining viewing information in broadband video system; the present invention takes full advantage of the corresponding relation between user terminals and multicast groups in broadband video system to obtain user terminal information and then determine the viewing information of programs in each multicast group with the user terminal information. The system for obtaining viewing information in broadband video system provided in the present invention includes: at least a video flow user distribution device, adapted to obtain user terminal information in accordance with its stored corresponding relation between user terminals and multicast groups and transmit the user terminal information to a viewing acquisition and analysis center; the viewing acquisition and analysis center, adapted to determine the viewing information of programs in each multicast group in accordance with the received user terminal information.
    Type: Application
    Filed: November 7, 2005
    Publication date: June 19, 2008
    Applicant: HUAWEI TECHNOLOGIES CO., LTD.
    Inventors: Gang Qin, Bingshan Li
  • Patent number: D929168
    Type: Grant
    Filed: March 25, 2021
    Date of Patent: August 31, 2021
    Assignee: SHENZHEN QIANHAI PATUOXUN NETWORK AND TECHNOLOGY CO., LTD.
    Inventors: Zhilin Lin, Gang Qin
  • Patent number: D944582
    Type: Grant
    Filed: April 23, 2021
    Date of Patent: March 1, 2022
    Assignee: SHENZHEN QIANHAI PATUOXUN NETWORK AND TECHNOLOGY CO., LTD
    Inventors: Gang Qin, Zhilin Lin