Patents by Inventor A. James Cox

A. James Cox 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).

  • Polyester/polycarbonate blends containing phosphites
    Patent number: 5254610
    Abstract: The addition of selected combinations of aliphatic and aromatic phosphite compounds to polyester or copolyester blends with polycarbonate results in unexpected improvements to the properties of resulting molding compositions. The molding compositions comprise:(a) 10-90% by weight of a polyester or a copolyester, comprising:repeat units from at least one aromatic, aliphatic, or alicyclic dicarboxylic acid, wherein the aromatic portion of said aromatic dicarboxylic acid has 6-20 carbon atoms, and wherein the aliphatic or alicyclic portion of said aliphatic or alicyclic dicarboxylic acid has 3-20 carbon atoms, andrepeat units from at least one aliphatic glycol having 2-20 carbon atoms;(b) 90-10% by weight of an aromatic polycarbonate of 4,4-isopropylidenediphenol (bisphenol-A); and(c) 0.1 to about 2% by weight of a combination of aliphatic and aromatic phosphite compounds.
    Type: Grant
    Filed: August 2, 1991
    Date of Patent: October 19, 1993
    Assignee: Eastman Kodak Company
    Inventors: James D. Small, Jr., Michael L. Cassell, A. James Cox, Michael J. Keegan, W. Paul Bell
  • Polyester/polyesteramide blends
    Patent number: 5137790
    Abstract: Disclosed are polymer blends, and articles made from such blends, of polyesteramides and polyesters or copolyesters. The polymer blends are useful in forming coinjection molded or coextruded structures with polyesters.
    Type: Grant
    Filed: September 17, 1990
    Date of Patent: August 11, 1992
    Assignee: Eastman Kodak Company
    Inventors: A. James Cox, Linda C. Sand, Michael S. Knight, Candace M. Stipe