Patents by Inventor Ta Yen Ching

Ta Yen Ching 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).

  • Patent number: 4247475
    Abstract: Certain cyanochloroformates are described which have utility for imparting UV stability to polycarbonate resins.
    Type: Grant
    Filed: March 17, 1980
    Date of Patent: January 27, 1981
    Assignee: General Electric Company
    Inventor: Ta-Yen Ching