Patents by Inventor Cotter, Robert J.

Cotter, Robert J. 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).

  • New polyarylethersulfone circuit board substrates
    Patent number: 4816505
    Abstract: Described herein are circuit board substrates prepared from certain poly(aryl ethers) based on 4,4'-dichlorodiphenyl sulfone.
    Type: Grant
    Filed: December 21, 1987
    Date of Patent: March 28, 1989
    Assignee: Amoco Corporation
    Inventors: Cotter, Robert J., Stephen B. Rimsa, Robert Barclay, Jr.