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: 20240082419
    Abstract: The present disclosure further relates to a linker-payload compound including an oligosaccharide group, especially a disaccharide group, where the oligosaccharide group is linked to the remainder of the compound by an amide bond. The present disclosure further relates to an antibody-drug conjugate (ADC) containing the linker-payload compound, where the glycan chain in an antibody is remodeled with the oligosaccharide moiety in the linker-payload compound. The present disclosure further relates to preparation methods and use of the above-mentioned substances.
    Type: Application
    Filed: September 18, 2023
    Publication date: March 14, 2024
    Inventors: Gang QIN, Meijun XIONG, Mingyu HU
  • Publication number: 20240066141
    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: September 8, 2023
    Publication date: February 29, 2024
    Inventors: Gang QIN, Paul H. SONG, Mingyu HU
  • Patent number: 11911435
    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: Grant
    Filed: February 19, 2021
    Date of Patent: February 27, 2024
    Assignee: GENEQUANTUM HEALTHCARE (SUZHOU) CO., LTD.
    Inventors: Gang Qin, Jinduo Yuan, Lu Jiang, Chubing Tan, Lili Shi, Cao Lv, Leilei Chen
  • Patent number: 11911826
    Abstract: A method of preparation of titanium and titanium alloy powder for 3D printing is based on a fluidized bed jet milling technique. Hydride-dehydrite titanium powder and titanium alloy powder are used as main raw material powder, jet milling and shaping are carried out in shielding atmosphere of nitrogen or argon, and finally high-performance titanium and titanium alloy powder meeting the requirements of 3D printing process is obtained. The titanium and titanium alloy powder prepared using this method has a narrow particle size distribution, approximately spherical shape, and controllable oxygen content.
    Type: Grant
    Filed: March 12, 2021
    Date of Patent: February 27, 2024
    Assignee: UNIVERSITY OF SCIENCE AND TECHNOLOGY BEIJING
    Inventors: Gang Chen, Mingli Qin, Qiying Tao, Xuanhui Qu
  • Patent number: 11911434
    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: February 19, 2021
    Date of Patent: February 27, 2024
    Assignee: GENEQUANTUM HEALTHCARE (SUZHOU) CO., LTD.
    Inventors: Gang Qin, Jinduo Yuan, Lu Jiang, Chubing Tan, Lili Shi, Cao Lv, Leilei Chen
  • Patent number: 11887923
    Abstract: A wiring design method and a wiring structure for a package substrate in a flip chip, and a flip chip. The wiring design method includes: arranging bump pads in an array of rows and columns, wherein the bump pads are configured to bond with conductive bumps on a flip chip die, and the bump pads comprise signal pads and non-signal pads; providing the non-signal pad with a via hole; and using a layer of wiring to lead a subset of the signal pads out of an orthographic projection region of the flip chip die on the package substrate, wherein the subset of the signal pads is configured to carry all functional signals required by design specifications of the flip chip die for the array of the bump pads.
    Type: Grant
    Filed: June 10, 2021
    Date of Patent: January 30, 2024
    Assignee: NEXTVPU (SHANGHAI) CO., LTD.
    Inventors: Aofeng Qian, Gang Qin, Xinpeng Feng, Ji Zhou
  • Publication number: 20240018159
    Abstract: The present disclosure relates to the biopharmaceutical field, in particular, Exatecan derivatives, linker-payloads, and conjugates and thereof antibody-drug conjugates, and the corresponding preparing process and use thereof.
    Type: Application
    Filed: August 22, 2023
    Publication date: January 18, 2024
    Inventors: Gang QIN, Tony Yantao ZHANG, Guangming CHEN, Paul H. SONG, Boyu ZHONG, Mingyu HU
  • Patent number: 11834688
    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 27, 2022
    Date of Patent: December 5, 2023
    Assignee: GENEQUANTUM HEALTHCARE (SUZHOU) CO., LTD.
    Inventors: Gang Qin, Cao Lv, Joachim Walter, Rolf Werner, Yunpeng Zhong
  • Patent number: 11826432
    Abstract: The present disclosure relates to a linker molecule for targeting molecule-drug conjugate, and the corresponding conjugate, the preparation and use thereof.
    Type: Grant
    Filed: April 14, 2022
    Date of Patent: November 28, 2023
    Assignee: GENEQUANTUM HEALTHCARE (SUZHOU) CO., LTD.
    Inventors: Gang Qin, Paul H. Song, Mingyu Hu
  • Publication number: 20230372511
    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: August 7, 2023
    Publication date: November 23, 2023
    Inventors: Paul H. SONG, Gang QIN, Chong LIU
  • Patent number: 11814394
    Abstract: The present disclosure relates to the biopharmaceutical field, in particular, Exatecan derivatives, linker-payloads, and conjugates and thereof antibody-drug conjugates, and the corresponding preparing process and use thereof.
    Type: Grant
    Filed: November 8, 2022
    Date of Patent: November 14, 2023
    Assignee: GENEQUANTUM HEALTHCARE (SUZHOU) CO., LTD.
    Inventors: Gang Qin, Tony Yantao Zhang, Guangming Chen, Paul H. Song, Boyu Zhong, Mingyu Hu
  • Publication number: 20230338568
    Abstract: It relates to the medicinal chemistry field, particularly to a process for separating the isomeric compounds comprising a ring-opened thiosuccinimide group and a chiral moiety.
    Type: Application
    Filed: December 23, 2020
    Publication date: October 26, 2023
    Inventors: Gang QIN, Chong LIU, Lehua HU
  • Publication number: 20230271977
    Abstract: The present disclosure relates to the biopharmaceutical field, in particular, Exatecan derivatives, linker-payloads, and conjugates and thereof antibody-drug conjugates, and the corresponding preparing process and use thereof.
    Type: Application
    Filed: November 8, 2022
    Publication date: August 31, 2023
    Inventors: Gang QIN, Tony Yantao ZHANG, Guangming CHEN, Paul H. SONG, Boyu ZHONG, Mingyu HU
  • Publication number: 20230256108
    Abstract: A linker molecule for targeting molecule-drug conjugate, has the structure of formula (I): A1p-D1q-Y-Lk-W-A2q-D2p (I). A conjugate has the structure of formula (III): A-((compound of formula (1))-PL t) z (III). The conjugate can be used in the manufacture of a medicament for treating a disease.
    Type: Application
    Filed: December 31, 2020
    Publication date: August 17, 2023
    Inventors: Gang QIN, Lu JIANG, Lili SHI, Jinduo YUAN, Chong LIU, Lehua HU
  • Patent number: 11717576
    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: Grant
    Filed: March 8, 2022
    Date of Patent: August 8, 2023
    Assignee: GENEQUANTUM HEALTHCARE (SUZHOU) CO., LTD.
    Inventors: Paul H. Song, Gang Qin, Chong Liu
  • Publication number: 20230159875
    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: January 5, 2023
    Publication date: May 25, 2023
    Inventors: Gang QIN, Sheng ZHOU, Cao LV, Joachim WALTER
  • Publication number: 20230154840
    Abstract: A wiring design method and a wiring structure for a package substrate in a flip chip, and a flip chip. The wiring design method includes: arranging bump pads in an array of rows and columns, wherein the bump pads are configured to bond with conductive bumps on a flip chip die, and the bump pads comprise signal pads and non-signal pads; providing the non-signal pad with a via hole; and using a layer of wiring to lead a subset of the signal pads out of an orthographic projection region of the flip chip die on the package substrate, wherein the subset of the signal pads is configured to carry all functional signals required by design specifications of the flip chip die for the array of the bump pads.
    Type: Application
    Filed: June 10, 2021
    Publication date: May 18, 2023
    Applicant: NEXTVPU (SHANGHAI) CO., LTD.
    Inventors: Aofeng Qian, Gang Qin, Xinpeng Feng, Ji Zhou
  • 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