Patents by Inventor S. Steve Chen

S. Steve 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).

  • Composition of polyepoxide derived from alkoxy-substituted allylphenol and carboxy-terminated polyester or polyamide
    Patent number: 5034473
    Abstract: Epoxy compositions having improved toughness and flexibility comprising a polyepoxide of the formula ##STR1## wherein each X is H, allyl or glycidyl, Y is allyl or glycidyl and R is an alkyl of 1 to 4 carbons with there being at least two epoxy groups on the ring modified with a carboxy terminated polymer.
    Type: Grant
    Filed: August 17, 1989
    Date of Patent: July 23, 1991
    Assignee: National Starch and Chemical Investment Holding Company
    Inventors: Rose A. Schultz, S. Steve Chen