Patents by Inventor Hongzhen Yu

Hongzhen Yu 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).

  • METHOD FOR HYDRATING LYOPHILIZED CYCLOPHOSPHAMIDE COMPOSITION AND PRODUCT THEREOF
    Publication number: 20220133754
    Abstract: Provided are a hydration method for a lyophilized cyclophosphamide composition and a composition and preparation prepared thereby. The hydration method comprises: (a) providing an aqueous solution comprising cyclophosphamide and an optional pharmaceutically acceptable excipient; (b) freeze-drying the solution to obtain a lyophilized composition; and (c) hydrating the lyophilized composition by using liquid water to obtain the product.
    Type: Application
    Filed: August 5, 2019
    Publication date: May 5, 2022
    Inventors: Hongzhen YU, Ziqiang LI, Jiansheng WAN, Xiaoxi SHENG
  • Process for Hydrating Cyclophosphamide Freeze-Dried Composition and Product Thereof
    Publication number: 20200155579
    Abstract: Provided is a process for hydrating Cyclophosphamide freeze-dried compositions and products obtained therefrom.
    Type: Application
    Filed: November 14, 2019
    Publication date: May 21, 2020
    Applicants: Sinotherapeutics Inc., Andorra Pharmaceuticals, LLC
    Inventors: Hongzhen Yu, Ziqiang Li, Jiansheng Wan, Xiaoxi Sheng