Patents by Inventor Xiusheng Wang

Xiusheng Wang 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: 10183973
    Abstract: Provided in the invention is a solvate of a cyclic peptide compound, represented by formula I is the structural formula of the cyclic peptide compound, and, also disclosed are a preparation method for same and uses thereof.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: January 22, 2019
    Assignee: SHANGHAI TECHWELL BIOPHARMACEUTICAL CO., LTD.
    Inventors: Shidong Liu, Xiusheng Wang, Xiaoming Ji
  • Patent number: 10138274
    Abstract: Disclosed is a novel polymorph of a cyclic peptide compound, the structure whereof is represented by formula I; also disclosed are a preparation method for same and uses thereof.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: November 27, 2018
    Assignee: SHANGHAI TECHWELL BIOPHARMACEUTICAL CO., LTD
    Inventors: Shidong Liu, Xiusheng Wang, Jicheng Hu, Xiaoming Ji
  • Patent number: 10138275
    Abstract: Disclosed is a crystalline powder of a cyclic peptide compound, represented by formula I is the structure of same, and, also disclosed are a preparation method for same and uses thereof.
    Type: Grant
    Filed: May 29, 2015
    Date of Patent: November 27, 2018
    Assignee: SHANGHAI TECHWELL BIOPHARMACEUTICAL CO., LTD.
    Inventors: Shidong Liu, Xiusheng Wang, Zhijun Tang, Xiaoming Ji
  • Publication number: 20170349627
    Abstract: Disclosed is a preparation method of a composition containing a nitrogen heterocyclic hexapeptide precursor, composition A and B containing a nitrogen heterocyclic hexapeptide precursor of a compound having formula I and formula II obtained by the method, and an application of the composition used for preparing a compound having formula III.
    Type: Application
    Filed: December 24, 2015
    Publication date: December 7, 2017
    Inventors: Shidong LIU, Xiusheng WANG, Xiaoming JI
  • Publication number: 20170198012
    Abstract: Provided in the invention is a solvate of a cyclic peptide compound, represented by formula I is the structural formula of the cyclic peptide compound, and, also disclosed are a preparation method for same and uses thereof.
    Type: Application
    Filed: May 29, 2015
    Publication date: July 13, 2017
    Applicant: Shanghai Techwell Biopharmaceutical Co., Ltd.
    Inventors: Shidong LIU, Xiusheng WANG, Xiaoming JI
  • Publication number: 20170198013
    Abstract: Disclosed is a novel polymorph of a cyclic peptide compound, the structure whereof is represented by formula I; also disclosed are a preparation method for same and uses thereof.
    Type: Application
    Filed: May 29, 2015
    Publication date: July 13, 2017
    Inventors: Shidong LIU, Xiusheng WANG, Jicheng HU, Xiaoming JI
  • Publication number: 20170190742
    Abstract: Disclosed is a composition of a cyclic peptide compound having a water content of 3%-20%, represented by formula I is the structural formula of the cyclic peptide compound, and, also disclosed are a preparation method for same and uses thereof.
    Type: Application
    Filed: May 29, 2015
    Publication date: July 6, 2017
    Inventors: Shidong LIU, Xiusheng WANG, Xiaoming JI
  • Publication number: 20170101443
    Abstract: Disclosed is a crystalline powder of a cyclic peptide compound, represented by formula I is the structure of same, and, also disclosed are a preparation method for same and uses thereof.
    Type: Application
    Filed: May 29, 2015
    Publication date: April 13, 2017
    Applicant: SHANGHAI TECHWELL BIOPHARMACEUTICAL CO., LTD.
    Inventors: Shidong LIU, Xiusheng WANG, Zhijun TANG, Xiaoming JI
  • Patent number: 9580470
    Abstract: A high purity cyclopeptide crystal has a structure shown by Formula I. R represents H or a cation forming a pharmaceutically acceptable salt. Also disclosed are a preparation method and a use of the high-purity cyclopeptide crystal.
    Type: Grant
    Filed: March 29, 2013
    Date of Patent: February 28, 2017
    Assignee: Shanghai Techwell Biopharmaceutical Co., LTD.
    Inventors: Shidong Liu, Zhaoli Zhang, Xiusheng Wang, Xiao Zhang, Zhijun Tang, Xiaoming Ji
  • Patent number: 9546197
    Abstract: Provided is a method for preparing a compound represented by Formula I or a salt thereof, wherein Coleophoma empetri F-11899 (FERM BP2635) and/or a mutant strain thereof is cultured in a medium containing amino acid or a salt thereof, an insoluble organic source, and a sugar alcohol, to produce the compound of Formula I or a salt thereof.
    Type: Grant
    Filed: January 31, 2012
    Date of Patent: January 17, 2017
    Assignee: Shanghai Techwell Biopharmaceutical Co., Ltd.
    Inventors: Shidong Liu, Zhaoli Zhang, Yi Chen, Xiusheng Wang, Liangliang Zhou, Xiaoming Ji
  • Publication number: 20150105331
    Abstract: A high purity cyclopeptide crystal has a structure shown by Formula I. R represents H or a cation forming a pharmaceutically acceptable salt. Also disclosed are a preparation method and a use of the high-purity cyclopeptide crystal.
    Type: Application
    Filed: March 29, 2013
    Publication date: April 16, 2015
    Inventors: Shidong Liu, Zhaoli Zhang, Xiusheng Wang, Xiao Zhang, Zhijun Tang, Xiaoming Ji
  • Publication number: 20150065417
    Abstract: Disclosed is a high purity cyclopeptide compound, the chemical structure of which is represented by formula (I). R represents H or a cation capable of forming a pharmaceutically acceptable salt, the purity being greater than or equal to 99.0%. Further disclosed are preparation method and use of the high purity cyclopeptide compound.
    Type: Application
    Filed: March 29, 2013
    Publication date: March 5, 2015
    Inventors: Shidong Liu, Zhaoli Zhang, Xiusheng Wang, Xiao Zhang, Guangjun Jiao, Bingming He, Zhijun Tang, Xiaoming Ji
  • Publication number: 20150057234
    Abstract: Disclosed is a hydrate of a compound as shown in Formula I. In formula I, R represents H or a cation capable of forming a pharmaceutically acceptable salt. The mass percentage of water in the hydrate is more than 8%. The hydrate has good stability. Moreover, disclosed are a preparation method and a use thereof.
    Type: Application
    Filed: March 29, 2013
    Publication date: February 26, 2015
    Inventors: Shidong Liu, Zhaoli Zhang, Xiusheng Wang, Xiao Zhang, Zhijun Tang, Xiaoming Ji
  • Publication number: 20140057320
    Abstract: Provided is a method for preparing a compound represented by Formula I or a salt thereof, wherein Coleophoma empetri F-11899 (FERM BP2635) and/or a mutant strain thereof is cultured in a medium containing amino acid or a salt thereof, an insoluble organic source, and a sugar alcohol, to produce the compound of Formula I or a salt thereof.
    Type: Application
    Filed: January 31, 2012
    Publication date: February 27, 2014
    Inventors: Shidong Liu, Zhaoli Zhang, Yi Chen, Xiusheng Wang, Liangliang Zhou, Xiaoming Ji