Patents by Inventor Enmin Lin

Enmin Lin 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 PREPARING TRITYL CANDESARTAN
    Publication number: 20180155326
    Abstract: The present invention uses a candesartan cyclic compound as a starting material and performs thereon a three-step reaction of forming tetrazole, hydrolysis and adding a protecting group to directly obtain trityl candesartan without separating an intermediate product via crystallization. The operating process is simple and thus is more applicable to industrial production.
    Type: Application
    Filed: June 5, 2015
    Publication date: June 7, 2018
    Applicant: ZHEJIANG HUAHAI PHARMACEUTICAL CO., LTD.
    Inventors: Enmin Lin, Mengjian Mou, Guoliang Tu, Wenfeng Huang