Patents by Inventor Tai W. Chan

Tai W. Chan 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).

  • Anhydrous crystalline 9-(1,3-dihydroxy-2-propoxymethyl)guanine
    Patent number: 4642346
    Abstract: Novel anhydrous crystalline 9-(1,3-dihydroxy-2-propoxymethyl)guanine useful as an antiviral agent.
    Type: Grant
    Filed: June 24, 1985
    Date of Patent: February 10, 1987
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Tai W. Chan, Huong T. Nguyen
  • Crystalline form of N-acetylmuramyl-L-.alpha.-aminobutyryl-D-isoglutamine
    Patent number: 4629782
    Abstract: Crystalline N-acetylmuramyl-L-.alpha.-aminobutyryl-D-isoglutamine monohydrate useful as an adjuvant for vaccines and as an immunostimulant.
    Type: Grant
    Filed: December 21, 1984
    Date of Patent: December 16, 1986
    Assignee: Syntex (U.S.A.) Inc.
    Inventors: Tai W. Chan, Allyn R. Becker