Patents by Inventor Hesheng Zhang

Hesheng Zhang 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: 20240132466
    Abstract: Disclosed are piperidine-2,6-dione derivatives and treatment of ulcerative colitis.
    Type: Application
    Filed: December 8, 2023
    Publication date: April 25, 2024
    Inventors: Hesheng ZHANG, Guanghuai ZENG
  • Patent number: 11873287
    Abstract: Disclosed are piperidine-2,6-dione derivatives and treatment of ulcerative colitis.
    Type: Grant
    Filed: June 3, 2022
    Date of Patent: January 16, 2024
    Assignees: Tianjin Hemay Pharmaceutical Sci-Tech Co., Ltd, Ganzhou Hemay Pharmaceutical, Co., Ltd
    Inventors: Hesheng Zhang, Guanghuai Zeng
  • Patent number: 11767295
    Abstract: Disclosed is a compound of formula (I) and a stereoisomer thereof: wherein R1, R2, R3 and R4 are as defined in the present disclosure.
    Type: Grant
    Filed: April 16, 2019
    Date of Patent: September 26, 2023
    Assignee: TIANJIN HEMAY PHARMACEUTICAL CO., LTD.
    Inventor: Hesheng Zhang
  • Publication number: 20220372013
    Abstract: Disclosed are piperidine-2,6-dione derivatives and treatment of Crohn's disease.
    Type: Application
    Filed: November 23, 2017
    Publication date: November 24, 2022
    Inventors: Hesheng ZHANG, Guanghuai ZENG
  • Patent number: 11485724
    Abstract: Disclosed are piperidine-2,6-dione derivatives and treatment of ulcerative colitis.
    Type: Grant
    Filed: November 23, 2017
    Date of Patent: November 1, 2022
    Assignees: Tianjin Hemay Pharmaceutical Sci-Tech Co., Ltd, Ganzhou Hemay Pharmaceutical, Co., Ltd
    Inventors: Hesheng Zhang, Guanghuai Zeng
  • Publication number: 20220306600
    Abstract: Disclosed are piperidine-2,6-dione derivatives and treatment of ulcerative colitis.
    Type: Application
    Filed: June 3, 2022
    Publication date: September 29, 2022
    Inventors: Hesheng Zhang, Guanghuai Zeng
  • Publication number: 20210155590
    Abstract: Disclosed is a compound of formula (I) and a stereoisomer thereof: wherein R1, R2, R3 and R4 are as defined in the present disclosure.
    Type: Application
    Filed: April 16, 2019
    Publication date: May 27, 2021
    Inventor: Hesheng Zhang
  • Publication number: 20210083148
    Abstract: The present invention provides a high power LED chip back electrode integrated package module with a stand, comprising a substrate, a lens stand, and a tens made of glasses. The lens stand is provided above the substrate and wraps same, and is provided with a fixed cavity where the lens is placed; the lens is provided in the fixed cavity and is connected to the lens stand; the substrate comprises a first line layer, a first ceramic layer, and a first metal layer which are connected sequentially; a first electrode connection disk is provided at both ends of the first metal layer; the first electrode connection disk is connected to the first line layer, and is in pressure connection to an external component; the first line layer is provided with multiple first LED chip units; the lens is provided above the first LED chip units and corresponds to the position thereof. The present invention further provide another high power LED chip back electrode integrated package module with a stand.
    Type: Application
    Filed: August 20, 2018
    Publication date: March 18, 2021
    Inventor: Hesheng ZHANG
  • Patent number: 10611775
    Abstract: Disclosed is a compound of formula (I), wherein R1, R2, R3, R4, R5, R6, R7 and R8 are as defined in the present application.
    Type: Grant
    Filed: July 2, 2019
    Date of Patent: April 7, 2020
    Assignee: Tianjin Hemay Pharmaceutical Co., Ltd.
    Inventors: Hesheng Zhang, Guanghuai Zeng, Yifei Gao
  • Publication number: 20190389835
    Abstract: Disclosed are piperidine-2,6-dione derivatives and treatment of ulcerative colitis.
    Type: Application
    Filed: November 23, 2017
    Publication date: December 26, 2019
    Inventors: Hesheng ZHANG, Guanghuai ZENG
  • Publication number: 20190352277
    Abstract: Disclosed are piperidine-2,6-dione derivatives and treatment of Crohn's disease.
    Type: Application
    Filed: November 23, 2017
    Publication date: November 21, 2019
    Inventors: Hesheng ZHANG, Guanghuai ZENG
  • Publication number: 20190322684
    Abstract: Disclosed is a compound of formula (I), wherein R1, R2, R3, R4, R5, R6, R7 and R8 are as defined in the present application.
    Type: Application
    Filed: July 2, 2019
    Publication date: October 24, 2019
    Inventors: Hesheng ZHANG, Guanghuai Zeng, Yifei Gao
  • Patent number: 10406147
    Abstract: This invention is directed to derivatives of piperidine-2,6-dione, or their organic or inorganic salts thereof, a methods of synthesis of these derivatives, and their application as active pharmaceutical ingredient as inhibitors of TNF? releasing in cells, the derivative of piperidine-2,6-dione being of the general formula (I): wherein n represents 1, 2, 3, 4, 5 or 6; R1 represents from one to four of the same or different substituents selected from F, Cl, Br, C1-4 alkyl, OH, OC1-4 alkyl, NO2, NHC(O)C1-4 alkyl, NH2, NH(C1-4 alkyl), N(C1-4 alkyl)2; R2 represents OR3, NR3R4, N(R3)COR4, O2CR5; R3 and R4 represent independently and at each occurrence H or C1-4 alkyl; R5 represents CHR6NR7R8, CHR6NR9C(O)CHR10NR7R8, a heterocycle W or CHR6NR9C(O)W; R6, R9, R10 represent independently and at each occurrence H, or C1-4 alkyl; R7 and R8 represent independently and at each occurrence H, C1-4 alkyl, or R7 and R8 taken together represent 1,3-propylene, 1,4-butylene, 1,5-pentylene, or 1,6-hexylene; W represents four-m
    Type: Grant
    Filed: November 20, 2018
    Date of Patent: September 10, 2019
    Assignee: Tianjin Hemay Bio-Tech Co., Ltd.
    Inventor: Hesheng Zhang
  • Patent number: 10385062
    Abstract: Disclosed is a compound of formula (I), wherein R1, R2, R3, R4, R5, R6, R7 and R8 are as defined in the present application.
    Type: Grant
    Filed: March 24, 2017
    Date of Patent: August 20, 2019
    Assignees: Tianjin Hemay Bio-Tech Co., Ltd., Tianjin Michele Sci-Tech Development Co., Ltd.
    Inventors: Hesheng Zhang, Guanghuai Zeng, Yifei Gao
  • Publication number: 20190247383
    Abstract: This invention is directed to derivatives of piperidine-2,6-dione, or their organic or inorganic salts thereof, a methods of synthesis of these derivatives, and their application as active pharmaceutical ingredient as inhibitors of TNF? releasing in cells, the derivative of piperidine-2,6-dione being of the general formula (I): wherein n represents 1, 2, 3, 4, 5 or 6; R1 represents from one to four of the same or different substituents selected from F, Cl, Br, C1-4 alkyl, OH, OC1-4 alkyl, NO2, NHC(O)C1-4 alkyl, NH2, NH(C1-4 alkyl), N(C1-4 alkyl)2; R2 represents OR3, NR3R4, N(R3)COR4, O2CR5; R3 and R4 represent independently and at each occurrence H or C1-4 alkyl; R5 represents CHR6NR7R, CHR6NR9C(O)CHR10NR7R8, a heterocycle W or CHR6NR9C(O)W; R6, R9, R10 represent independently and at each occurrence H, or C1-4 alkyl; R7 and R8 represent independently and at each occurrence H, C1-4 alkyl, or R7 and R8 taken together represent 1,3-propylene, 1,4-butylene, 1,5-pentylene, or 1,6-hexylene; W represents four-me
    Type: Application
    Filed: November 20, 2018
    Publication date: August 15, 2019
    Inventor: Hesheng Zhang
  • Patent number: 10294260
    Abstract: Disclosed are a compound represented by formula (I) and a pharmaceutically acceptable salt thereof, wherein R1, R2, R3, R4, R5, W, n are defined as in the present application. Also disclosed is a method for treating cancer, comprising administering to a subject in need thereof a therapeutically effective amount of the compound represented by formula (I) or a pharmaceutically acceptable salt thereof. The compound and a salt thereof according to the present application possess good anticancer and/or antitumor activity, and good water solubility and stability, as well as good tolerance in animal bodies. Also disclosed is a process for preparing a compound represented by formula (I) of the present application.
    Type: Grant
    Filed: May 5, 2017
    Date of Patent: May 21, 2019
    Assignee: TIANJIN HEMAY ONCOLOGY PHARMACEUTICAL CO., LTD.
    Inventors: Hesheng Zhang, Aihong Huo, Zhenzhong Li
  • Patent number: 10246443
    Abstract: Disclosed is a compound of formula I, a stereoisomer thereof, a cis-trans-isomer thereof, a tautomer thereof, or a mixture thereof, or a pharmaceutically acceptable salt thereof, a solvate thereof or a prodrug thereof, wherein R1, R2, R3 and R4 are each as defined in the present application.
    Type: Grant
    Filed: April 13, 2017
    Date of Patent: April 2, 2019
    Assignee: TIANJIN HEMAY ONCOLOGY PHARMACEUTICAL CO., LTD.
    Inventors: Hesheng Zhang, Yingwei Chen, Qingchao He
  • Patent number: 10166222
    Abstract: This invention is directed to derivatives of piperidine-2,6-dione, or their organic or inorganic salts thereof, a methods of synthesis of these derivatives, and their application as active pharmaceutical ingridient as inhibitors of TNF? releasing in cells, the derivative of piperidine-2,6-dione being of the general formula (I): wherein n represents 1, 2, 3, 4, 5 or 6; R1 represents from one to four of the same or different substituents selected from F, Cl, Br, C1-4 alkyl, OH, OC1-4 alkyl, NO2, NHC(O)C1-4 alkyl, NH2, NH(C1-4 alkyl), N(C1-4 alkyl)2; R2 represents OR3, NR3R4, N(R3)COR4, O2CR5; R3 and R4 represent independently and at each occurrence H or C1-4 alkyl; R5 represents CHR6NR7R8, CHR6NR9C(O)CHR10NR7R8, a heterocycle W or CHR6NR9C(O)W; R6, R9, R10 represent independently and at each occurrence H, or C1-4 alkyl; R7 and R8 represent independently and at each occurrence H, C1-4 alkyl, or R7 and R8 taken together represent 1,3-propylene, 1,4-butylene, 1,5-pentylene , or 1,6-hexylene; W represents four-
    Type: Grant
    Filed: May 2, 2017
    Date of Patent: January 1, 2019
    Assignee: Tianjin Hemay Bio-Tech Co., Ltd.
    Inventor: Hesheng Zhang
  • Publication number: 20180050025
    Abstract: This invention is directed to derivatives of piperidine-2,6-dione, or their organic or inorganic salts thereof, a methods of synthesis of these derivatives, and their application as active pharmaceutical ingridient as inhibitors of TNF? releasing in cells, the derivative of piperidine-2,6-dione being of the general formula (I): wherein n represents 1, 2, 3, 4, 5 or 6; R1 represents from one to four of the same or different substituents selected from F, Cl, Br, C1-4 alkyl, OH, OC1-4 alkyl, NO2, NHC(O)C1-4 alkyl, NH2, NH(C1-4 alkyl), N(C1-4 alkyl)2; R2 represents OR3, NR3R4, N(R3)COR4, O2CR5; R3 and R4 represent independently and at each occurrence H or C1-4 alkyl; R5 represents CHR6NR7R8, CHR6NR9C(O)CHR10NR7R8, a heterocycle W or CHR6NR9C(O)W; R6, R9, R10 represent independently and at each occurrence H, or C1-4 alkyl; R7 and R8 represent independently and at each occurrence H, C14 alkyl, or R7 and R8 taken together represent 1,3-propylene, 1,4-butylene, 1,5-pentylene , or 1,6-hexylene; W represents four-m
    Type: Application
    Filed: May 2, 2017
    Publication date: February 22, 2018
    Inventor: Hesheng Zhang
  • Patent number: 9840494
    Abstract: Disclosed are N-[4-(3-chloro-4-fluorophenylamino)-7-(2-methoxyethoxy) quinazolin-6-yl]-2 -[1-(2-methoxyethyl)piperidin-4-ylidene]acetamide and a pharmaceutically acceptable salt thereof.
    Type: Grant
    Filed: December 12, 2014
    Date of Patent: December 12, 2017
    Assignee: Tianjin Hemay Oncology Pharmaceutical Co., Ltd.
    Inventors: Hesheng Zhang, Guanghuai Zeng, Yingwei Chen