Patents by Inventor Guangyi Leng

Guangyi Leng 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).

  • Pharmaceutical compositions of goserelin sustained release microspheres
    Patent number: 10258572
    Abstract: A composition of goserelin sustained release microspheres is provided. The microspheres comprise goserelin, at least one poly (lactide-co-glycolide) and poloxamer or PEG. The sustained release microspheres have comparatively high bioavailability, which promotes the drug taking its full effect and have entrapment efficiency over 90%.
    Type: Grant
    Filed: October 20, 2017
    Date of Patent: April 16, 2019
    Assignee: Shandong Luye Pharmaceutical Co., Ltd.
    Inventors: Wei Sun, Xuemei Zhang, Tao Wang, Guangyi Leng, Kaoxiang Sun, Youxin Li, Wanhui Liu
  • PHARMACEUTICAL COMPOSITIONS OF GOSERELIN SUSTAINED RELEASE MICROSPHERES
    Publication number: 20180036246
    Abstract: A composition of goserelin sustained release microspheres is provided. The microspheres comprise goserelin, at least one poly (lactide-co-glycolide) and poloxamer or PEG. The sustained release microspheres have comparatively high bioavailability, which promotes the drug taking its full effect and have entrapment efficiency over 90%.
    Type: Application
    Filed: October 20, 2017
    Publication date: February 8, 2018
    Applicant: Shandong Luye Pharmaceutical Co., Ltd.
    Inventors: Wei Sun, Xuemei Zhang, Tao Wang, Guangyi Leng, Kaoxiang Sun, Youxin Li, Wanhui Liu
  • PHARMACEUTICAL COMPOSITIONS OF GOSERELIN SUSTAINED RELEASE MICROSPHERES
    Publication number: 20160022584
    Abstract: A composition of goserelin sustained release microspheres is provided. The microspheres comprise goserelin, at least one poly(lactide-co-glycolide) and poloxamer or PEG. The sustained release microspheres have comparatively high bioavailability, which promotes the drug taking its full effect and have entrapment efficiency over 90%.
    Type: Application
    Filed: October 8, 2015
    Publication date: January 28, 2016
    Applicant: Shandong Luye Pharmaceutical Co., Ltd.
    Inventors: Wei Sun, Xuemei Zhang, Tao Wang, Guangyi Leng, Kaoxiang Sun, Youxin Li, Wanhui Liu