Patents by Inventor Ying Ai Xu

Ying Ai Xu 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: 11642333
    Abstract: The present invention relates to a liquid, propellant-free pharmaceutical preparation and a method for administering a pharmaceutical preparation by nebulizing the pharmaceutical preparation in an inhaler. The propellant-free pharmaceutical preparation comprises: (a) an active substance selected from umeclidinium bromide and vilanterol trifenatate and combinations thereof; (b) a solvent; (c) a pharmacologically acceptable solubilizing agent; and (d) a pharmacologically acceptable preservative, and optionally includes a pharmacologically acceptable stabilizer, a pharmacologically acceptable co-solvent, or other pharmacologically acceptable additives.
    Type: Grant
    Filed: May 22, 2020
    Date of Patent: May 9, 2023
    Assignee: ANOVENT PHARMACEUTICAL (U.S.), LLC
    Inventors: Cai Gu Huang, Ying Ai Xu, Yue Zhao, Hui Yuan
  • Publication number: 20200375945
    Abstract: The present invention discloses a liquid, propellant-free pharmaceutical preparation and a method for administering a pharmaceutical preparation by nebulizing the pharmaceutical preparation in an inhaler. The propellant-free pharmaceutical preparation comprising: (a) active substances selected from glycopyrronium bromide and indacaterol maleate; (b) a solvent; and (c) a pharmacologically acceptable preservative, optionally including a pharmacologically acceptable stabilizer, a pharmacologically acceptable solubilizing agent, a pharmacologically acceptable co-solvent, or other pharmacologically acceptable additives.
    Type: Application
    Filed: June 2, 2020
    Publication date: December 3, 2020
    Inventors: Cai Gu Huang, Ying Ai Xu, Yue Zhao, Lu Lu Zhang
  • Publication number: 20200368214
    Abstract: The present invention relates to a liquid, propellant-free pharmaceutical preparation and a method for administering a pharmaceutical preparation by nebulizing the pharmaceutical preparation in an inhaler. The propellant-free pharmaceutical preparation comprises: (a) an active substance selected from umeclidinium bromide and vilanterol trifenatate and combinations thereof; (b) a solvent; (c) a pharmacologically acceptable solubilizing agent; and (d) a pharmacologically acceptable preservative, and optionally includes a pharmacologically acceptable stabilizer, a pharmacologically acceptable co-solvent, or other pharmacologically acceptable additives.
    Type: Application
    Filed: May 22, 2020
    Publication date: November 26, 2020
    Inventors: Cai Gu Huang, Ying Ai Xu, Yue Zhao, Hui Yuan