Patents by Inventor Zhiquo Jake Song

Zhiquo Jake Song 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 making spiro isobenzofuranone compounds
    Patent number: 6924291
    Abstract: This invention relates to a process for making spiro isobenzofuranone compounds by coupling of an aminopyrazine fragment with a spirolactone piece.
    Type: Grant
    Filed: January 22, 2002
    Date of Patent: August 2, 2005
    Assignee: Merck & Co., Inc.
    Inventors: Zhiquo Jake Song, Matthew Mangzhu Zhao
  • Process for making spiro isobenzofuranone compounds
    Publication number: 20020151456
    Abstract: This invention relates to a process for making spiro isobenzofuranone compounds by coupling of an aminopyrazine fragment with a spirolactone piece.
    Type: Application
    Filed: January 22, 2002
    Publication date: October 17, 2002
    Inventors: Zhiquo Jake Song, Matthew Mangzhu Zhao