Patents by Inventor Huiping Guan

Huiping Guan 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).

  • Patent number: 11834448
    Abstract: Described herein are 2-amino-quinoline derivatives that are agonists of toll-like receptors 7 and 8 (TLR7/8), pharmaceutical compositions, and methods of use of the compounds and compositions to treat various diseases, such as viral, cancer, and allergic diseases, in need thereof by administering a therapeutically effective amount of a 2-amino-quinoline derivative.
    Type: Grant
    Filed: May 7, 2021
    Date of Patent: December 5, 2023
    Assignee: Birdie Biopharmaceuticals, Inc.
    Inventors: Lixin Li, Huiping Guan
  • Publication number: 20230147833
    Abstract: Disclosed are an optically pure oxaspiro-substituted pyrrolopyrazole derivative, a preparation method therefor and the pharmaceutical use thereof. The compounds are compounds as shown in formula (I) and formula (II) or a pharmaceutically acceptable salt thereof, or a solvate thereof, or a prodrug thereof.
    Type: Application
    Filed: January 15, 2021
    Publication date: May 11, 2023
    Inventors: Bin HU, Kai ZHANG, Huiping GUAN
  • Publication number: 20230145793
    Abstract: Provided is a substituted pyrimidine or pyridine amine derivative represented by formula (I), and a pharmaceutically acceptable salt, solvate, stereoisomer, prodrug, and pharmaceutical composition thereof, as well as medical application thereof. The derivative has significant adenosine A2A receptor and/or adenosine A2B receptor antagonistic activities.
    Type: Application
    Filed: March 16, 2021
    Publication date: May 11, 2023
    Applicants: SHANGHAI HAIYAN PHARMACEUTICAL TECHNOLOGY CO., LTD., YANGTZE RIVER PHARMACEUTICAL GROUP CO., LTD.
    Inventors: Lifeng LIU, Zhiming ZHAO, Feng XU, Hailong WANG, Baoxin XI, Zhongan TONG, Huiping GUAN
  • Publication number: 20230128062
    Abstract: Provided are an azabicyclic substituted oxaspiro derivative, a preparation method therefor and a medical use thereof. Specifically, provided are compounds represented by formula (I) and formula (II) or pharmaceutically acceptable salts, stereoisomers or solvates thereof, and a preparation method therefor and an application thereof.
    Type: Application
    Filed: January 15, 2021
    Publication date: April 27, 2023
    Inventors: Bin HU, Jing XIE, Kai ZHANG, Wen YANG, Xiaoyong SHI, Huiping GUAN
  • Publication number: 20210386721
    Abstract: Disclosed are a substituted phenylpropenylpyridine derivative, a preparation method therefor and the use thereof as a PD-1/PD-L1 inhibitor. In particular, disclosed are a compound of formula (I) or a pharmaceutically acceptable salt, stereoisomer, solvate, or prodrug thereof, a preparation method therefor and the use thereof. The definition of each group in the formula is detailed in the description and claims.
    Type: Application
    Filed: May 9, 2020
    Publication date: December 16, 2021
    Inventors: Weixing ZHU, Huiping GUAN, Yonggang CHEN, Shaobo LI, Xuhui HAO, Qiang LIU, Cong QIN, Jie ZHU, Qing ZHANG, Dong HUANG, Jing LIU
  • Publication number: 20210261549
    Abstract: Described herein are 2-amino-quinoline derivatives that are agonists of toll-like receptors 7 and 8 (TLR7/8), pharmaceutical compositions, and methods of use of the compounds and compositions to treat various diseases, such as viral, cancer, and allergic diseases, in need thereof by administering a therapeutically effective amount of a 2-amino-quinoline derivative.
    Type: Application
    Filed: May 7, 2021
    Publication date: August 26, 2021
    Inventors: Lixin LI, Huiping GUAN
  • Publication number: 20210261548
    Abstract: Described herein are 2-amino-quinoline derivatives that are agonists of toll-like receptors 7 and 8 (TLR7/8), pharmaceutical compositions, and methods of use of the compounds and compositions to treat various diseases, such as viral, cancer, and allergic diseases, in need thereof by administering a therapeutically effective amount of a 2-amino-quinoline derivative.
    Type: Application
    Filed: May 7, 2021
    Publication date: August 26, 2021
    Inventors: Lixin LI, Huiping GUAN
  • Patent number: 11053240
    Abstract: Described herein are 2-amino-quinoline derivatives that are agonists of toll-like receptors 7 and 8 (TLR7/8), pharmaceutical compositions, and methods of use of the compounds and compositions to treat various diseases, such as viral, cancer, and allergic diseases, in need thereof by administering a therapeutically effective amount of a 2-amino-quinoline derivative.
    Type: Grant
    Filed: April 26, 2018
    Date of Patent: July 6, 2021
    Assignee: Birdie Biopharmaceuticals, Inc.
    Inventors: Lixin Li, Huiping Guan
  • Publication number: 20200055851
    Abstract: Described herein are 2-amino-quinoline derivatives that are agonists of toll-like receptors 7 and 8 (TLR7/8), pharmaceutical compositions, and methods of use of the compounds and compositions to treat various diseases, such as viral, cancer, and allergic diseases, in need thereof by administering a therapeutically effective amount of a 2-amino-quinoline derivative.
    Type: Application
    Filed: April 26, 2018
    Publication date: February 20, 2020
    Inventors: Lixin LI, Huiping GUAN
  • Patent number: 9868737
    Abstract: The present invention relates to novel pyridino[1,2-?]pyrimidone compounds represented by formula (I) or pharmaceutically acceptable salts thereof; and a method of use thereof for treating tumors.
    Type: Grant
    Filed: June 16, 2015
    Date of Patent: January 16, 2018
    Assignee: CISEN PHARMACEUTICAL CO., LTD.
    Inventors: Huiping Guan, Chengde Wu, Tao Yu, Lei Huang, Dongling Hao, Bo Gao, Jikui Sun, Nengyang Shi, Shuhui Chen
  • Publication number: 20170129888
    Abstract: Disclosed is a pyridino[1,2-a]pyrimidone analogue used as an mTOR/PI3K inhibitor. The present invention particularly relates to a compound represented by formula (I) or a pharmaceutically acceptable salt thereof.
    Type: Application
    Filed: June 16, 2015
    Publication date: May 11, 2017
    Inventors: Huiping GUAN, Chengde WU, Tao YU, Lei HUANG, Dongling HAO, Bo GAO, Jikui SUN, Nengyang SHI, Shuhui CHEN
  • Publication number: 20140275111
    Abstract: This invention relates to novel compounds which are inhibitors of the Rearranged during Transfection (RET) kinase, to pharmaceutical compositions containing them, to processes for their preparation, and to their use in therapy, alone or in combination, for the normalization of gastrointestinal sensitivity, motility and/or secretion and/or abdominal disorders or diseases and/or treatment related to diseases related to RET dysfunction or where modulation of RET activity may have therapeutic benefit including but not limited to all classifications of irritable bowel syndrome (IBS) including diarrhea-predominant, constipation-predominant or alternating stool pattern, functional bloating, functional constipation, functional diarrhea, unspecified functional bowel disorder, functional abdominal pain syndrome, chronic idiopathic constipation, functional esophageal disorders, functional gastroduodenal disorders, functional anorectal pain, inflammatory bowel disease, proliferative diseases such as non-small cell lung c
    Type: Application
    Filed: March 14, 2014
    Publication date: September 18, 2014
    Applicant: GlaxoSmithKline Intellectual Property Development Limited
    Inventors: Hilary Schenck EIDAM, Kaushik Raha, Zhen Gong, Huiping Guan, Chengde Wu, Haiying Yang, Haiyu Yu, Zhiliu Zhang, Mui CHEUNG
  • Publication number: 20120071480
    Abstract: This invention relates to novel compounds having the formula (I): and to their pharmaceutical compositions and to their methods of use. These novel compounds provide a treatment for cancer.
    Type: Application
    Filed: December 1, 2011
    Publication date: March 22, 2012
    Inventors: Xiaomei Feng, Huiping Guan, Stephanos Ioannidis, Bo Peng, Mei Su, Tao Wang, Hai-Jun Zhang, Ying Kan, Bin Wang
  • Patent number: 8088784
    Abstract: This invention relates to novel compounds having the formula (I) and to their pharmaceutical compositions and to their methods of use. These novel compounds provide a treatment for cancer.
    Type: Grant
    Filed: February 26, 2010
    Date of Patent: January 3, 2012
    Assignee: AstraZeneca AB
    Inventors: Xiaomei Feng, Huiping Guan, Ying Kang, Stephanos Ioannidis, Bo Peng, Mei Su, Bin Wang, Tao Wang, Hai-Jun Zhang
  • Publication number: 20100204231
    Abstract: The present invention relates to compounds of Formula (I): and to their pharmaceutical compositions, and to their methods of use. These compounds provide a treatment for myeloproliferative disorders and cancer.
    Type: Application
    Filed: May 2, 2008
    Publication date: August 12, 2010
    Applicant: ASTRAZENECA AB
    Inventors: Lynsie Almeida, Huiping Guan, Stephanos Ioannidis, Michelle Lamb, Go Peng
  • Publication number: 20100160325
    Abstract: This invention relates to novel compounds having the formula (I) and to their pharmaceutical compositions and to their methods of use. These novel compounds provide a treatment for cancer.
    Type: Application
    Filed: February 26, 2010
    Publication date: June 24, 2010
    Applicant: ASTRAZENECA AB
    Inventors: Xiaomei Feng, Huiping Guan, Stephanos Ioannidis, Bo Peng, Mei Su, Tao Wang, Hai-Jun Zhang, Ying Kan, Bin Wang
  • Patent number: 7582756
    Abstract: The present invention provides a method to make a pyrrole substituted 2-indolinone compound of the formula
    Type: Grant
    Filed: July 18, 2007
    Date of Patent: September 1, 2009
    Assignees: Sugen, Inc., Pharmacia & Upjohn Company
    Inventors: Huiping Guan, Congxin Liang, Li Sun, Peng Cho Tang, Chung Chen Wei, Tomas Vojkovsky, Qingwu Jin, Paul M. Herrinton, Michael A. Mauragis
  • Publication number: 20080287475
    Abstract: This invention relates to novel compounds having the formula (I) and to their pharmaceutical compositions and to their methods of use. These novel compounds provide a treatment for cancer.
    Type: Application
    Filed: October 26, 2006
    Publication date: November 20, 2008
    Applicant: ASTRAZENECA AB
    Inventors: Xiaomei Feng, Huiping Guan, Ying Kan, Stephanos Ioannidis, Bo Peng, Mei Su, Bin Wang, Tao Wang, Hai-Jun Zhang
  • Publication number: 20080045709
    Abstract: The present invention provides a method to make a pyrrole substituted 2-indolinone compound of the formula
    Type: Application
    Filed: July 18, 2007
    Publication date: February 21, 2008
    Inventors: Huiping Guan, Congxin Liang, Li Sun, Peng Cho Tang, Chung Wei, Tomas Vojkovsky, Qingwu Jin, Paul Herrinton, Michael Mauragis
  • Publication number: 20070293484
    Abstract: The present invention relates to thiophene heteroaryl amines and their pharmaceutically acceptable salts that modulate the activity of protein kinases and therefore are expected to be useful in the prevention and treatment of protein kinase related cellular disorders such as cancer.
    Type: Application
    Filed: May 9, 2005
    Publication date: December 20, 2007
    Inventors: Huiping Guan, Connie Sun, Congxin Liang, Joanne Johnson, Lisa Bourdon, Ren Hua Song, Pavel Zhichkin