Patents by Inventor Tienteh T Chen

Tienteh T Chen 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).

  • Photographic element containing ultraviolet absorbing polymer
    Patent number: 5766834
    Abstract: This invention relates to a photographic element containing a polymeric ultraviolet absorbing polymer fromed from an ultraviolet absorbing monomer of formula (I): ##STR1## where X is a bivalent linking group, and Y contains an ethylenically unsaturated functional group.
    Type: Grant
    Filed: September 11, 1996
    Date of Patent: June 16, 1998
    Assignee: Eastman Kodak Company
    Inventors: Tienteh T Chen, Lal C Vishwakarma, Hwei-Ling Yau