Patents by Inventor Chon-Hong Tann

Chon-Hong Tann 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).

  • Nucleoside process
    Patent number: 4625020
    Abstract: Process for producing 1-halo-2-deoxy-2-fluoroarabinofuranoside derivatives bearing protective ester groups from 1,3,5-tri-O-acylribofuranose; the 1-halo compounds are intermediates in the synthesis of therapeutically active nucleosidic compounds.
    Type: Grant
    Filed: November 18, 1983
    Date of Patent: November 25, 1986
    Assignee: Bristol-Myers Company
    Inventors: Steven P. Brundidge, Henry G. Howell, Chester Sapino, Jr., Chon-Hong Tann