Patents by Inventor Yongku Sun

Yongku Sun 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 indinavir intermediate
    Patent number: 5981759
    Abstract: An intermediate in the synthesis of indinavir is prepared by iodohydroxylating an allyl acetonide by hypoiodous acid generated in situ from sodium hypochlorite and sodium iodide.
    Type: Grant
    Filed: June 17, 1998
    Date of Patent: November 9, 1999
    Assignee: Merck & Co., Inc.
    Inventors: Yongku Sun, Frank P. Gortsema, Carl Leblond, Kai Rossen