Patents by Inventor Wenjian SHI

Wenjian SHI 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).

  • Process for preparing 6-iodo-2-oxindole
    Patent number: 8975418
    Abstract: Disclosed is a method for the synthesis of 6-iodo-2-oxindole useful as intermediate in the manufacture of pharmaceutically active ingredients. Also disclosed is a novel intermediate used in the synthesis of this compound.
    Type: Grant
    Filed: August 29, 2013
    Date of Patent: March 10, 2015
    Assignee: Boehringer Ingelheim International GmbH
    Inventors: Wenjian Shi, Yanli Song, Yuhui Bao, Jun Lu, Yao Huang, Dirk Weber
  • PROCESS FOR PREPARING 6-IODO-2-OXINDOLE
    Publication number: 20140066634
    Abstract: Disclosed is a method for the synthesis of 6-iodo-2-oxindole useful as intermediate in the manufacture of pharmaceutically active ingredients. Also disclosed is a novel intermediate used in the synthesis of this compound.
    Type: Application
    Filed: August 29, 2013
    Publication date: March 6, 2014
    Applicant: Boehringer Ingelheim International GmbH
    Inventors: Wenjian SHI, Yanli Song, Yuhui Bao, Jun Lu, Yao Huang, Dirk Weber