Patents by Inventor Laifang Zhang

Laifang 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).

  • Crystals of prasugrel hydrobromate
    Patent number: 8772488
    Abstract: The present application discloses crystals of 2-acetoxy-5-(?-cyclopropylcarbonyl-2-fluorobenzyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine hydrobromate, crystal compositions and pharmaceutical compositions comprising them and their use. The crystals of prasugrel hydrobromate of the present application possess excellent stability and solubility.
    Type: Grant
    Filed: March 31, 2010
    Date of Patent: July 8, 2014
    Assignees: Shanghai Institute of Pharmaceutical Industry, Chia Tai Tianqing Pharmaceutical Group Co., Ltd
    Inventors: Zhedong Yuan, Xingdong Cheng, Yulei Yang, Ling Tong, Xiong Yu, Laifang Zhang, Wenliang Zhou
  • CRYSTALS OF PRASUGREL HYDROBROMATE
    Publication number: 20120095035
    Abstract: The present application discloses crystals of 2-acetoxy-5-(?-cyclopropylcarbonyl-2-fluorobenzyl)-4,5,6,7-tetrahydrothieno[3,2-c]pyridine hydrobromate, crystal compositions and pharmaceutical compositions comprising them and their use. The crystals of prasugrel hydrobromate of the present application possess excellent stability and solubility.
    Type: Application
    Filed: March 31, 2010
    Publication date: April 19, 2012
    Applicants: NANJING CHIA TAI TIANQING PHARMACEUTICAL CO., LTD., SHANGHAI INSTITUTE OF PHARMACEUTICAL INDUSTRY
    Inventors: Zhedong Yuan, Xingdong Cheng, Yulei Yang, Ling Tong, Xiong Yu, Laifang Zhang, Wenliang Zhou