Patents by Inventor Guanghuai Zeng

Guanghuai Zeng 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).

  • PIPERIDINE-2,6-DIONE DERIVATIVES AND ULCERATIVE COLITIS TREATING
    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
  • Piperidine-2,6-dione derivatives and ulcerative colitis treating
    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
  • PIPERIDINE-2,6-DIONE DERIVATIVES AND CROHN'S DISEASE TREATING
    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
  • Piperidine-2,6-dione derivatives and ulcerative colitis treating
    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
  • PIPERIDINE-2,6-DIONE DERIVATIVES AND ULCERATIVE COLITIS TREATING
    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
  • Thiophene derivatives
    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
  • PIPERIDINE-2,6-DIONE DERIVATIVES AND ULCERATIVE COLITIS TREATING
    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
  • PIPERIDINE-2,6-DIONE DERIVATIVES AND CROHN'S DISEASE TREATING
    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
  • THIOPHENE DERIVATIVES
    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
  • Thiophene derivatives
    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
  • Quinazoline derivative
    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
  • THIOPHENE DERIVATIVES
    Publication number: 20170197982
    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: March 24, 2017
    Publication date: July 13, 2017
    Inventors: Hesheng Zhang, Guanghuai Zeng, Yifei Gao
  • Thiophene derivatives
    Patent number: 9630975
    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: May 19, 2014
    Date of Patent: April 25, 2017
    Assignees: Tianjin Hemay Bio-Tech Co., Ltd., Tianjin Michele Sci-Tech Development Co., Ltd.
    Inventors: Hesheng Zhang, Guanghuai Zeng, Yifei Gao
  • QUINAZOLINE DERIVATIVE
    Publication number: 20160311796
    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: Application
    Filed: December 12, 2014
    Publication date: October 27, 2016
    Inventors: Hesheng ZHANG, Guanghuai ZENG, Yingwei CHEN
  • Thiophene derivatives
    Patent number: 8952178
    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: May 14, 2010
    Date of Patent: February 10, 2015
    Assignees: Tianjin Hemay Bio-Tech Co., Ltd., Tianjin Michele Sci-Tech Development Co., Ltd.
    Inventors: Hesheng Zhang, Guanghuai Zeng, Yifei Gao
  • THIOPHENE DERIVATIVES
    Publication number: 20140255342
    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: May 19, 2014
    Publication date: September 11, 2014
    Applicants: TIANJIN HEMAY BIO-TECH CO., LTD., TIANJIN MICHELE SCI-TECH DEVELOPMENT CO., LTD
    Inventors: Hesheng Zhang, Guanghuai Zeng, Yifei Gao
  • THIOPHENE DERIVATIVES
    Publication number: 20120107269
    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: May 14, 2010
    Publication date: May 3, 2012
    Applicant: Tianjin Hemay Biotech Co., Ltd
    Inventors: Hesheng Zhang, Guanghuai Zeng, Yifei Gao