Patents by Inventor Yaowen WAN

Yaowen WAN 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).

  • Complex disintegrant system for oral solid preparation and oral solid preparation comprising said complex disintegrant system
    Patent number: 11786471
    Abstract: A complex disintegrant composition for oral solid preparation, comprising a disintegrant and a disintegrating aid, the disintegrant being a hygroscopic expansion type disintegrant, the disintegrating aid being a soluble small molecule substance or a gas-producing type salt. An oral solid preparation, comprising an active ingredient, said complex disintegrant composition, an excipient and a lubricant.
    Type: Grant
    Filed: June 27, 2017
    Date of Patent: October 17, 2023
    Assignee: WUHAN LL SCIENCE AND TECHNOLOGY DEVELOPMENT CO. LTD.
    Inventors: Yaowen Wan, Yongkai Chen, Xian Zeng, Chaodong Wang, Wei Feng
  • COMPLEX DISINTEGRANT SYSTEM FOR ORAL SOLID PREPARATION AND ORAL SOLID PREPARATION COMPRISING SAID COMPLEX DISINTEGRANT SYSTEM
    Publication number: 20190328673
    Abstract: A complex disintegrant composition for oral solid preparation, comprising a disintegrant and a disintegrating aid, the disintegrant being a hygroscopic expansion type disintegrant, the disintegrating aid being a soluble small molecule substance or a gas-producing type salt. An oral solid preparation, comprising an active ingredient, said complex disintegrant composition, an excipient and a lubricant.
    Type: Application
    Filed: June 27, 2017
    Publication date: October 31, 2019
    Applicants: Wuhan LL Science and Technology Development Co., Ltd, Wuhan QR Pharmaceuticals Co., Ltd
    Inventors: Yaowen WAN, Yongkai CHEN, Xian ZENG, Chaodong WANG, Wei FENG