Patents Represented by Attorney, Agent or Law Firm Patrick F. Roughen
  • Poly(aryl ether ketones) bearing alkylated side chains
    Patent number: 6372877
    Abstract: This invention relates generally to poly(aryl ether ketones) bearing alkylated side chains. It relates particularly to soluble, thermally stable, low dielectric poly(aryl ether ketones) with alkylated side chains and especially to films and coatings thereof. These poly(aryl ether ketones) have the following structural formula: wherein Y is selected from the group consisting of CF3 and CH3; and wherein R is CnH(2n+1) and n=11-18.
    Type: Grant
    Filed: June 1, 2000
    Date of Patent: April 16, 2002
    Assignee: The United States of America as represented by the Administrator of the National Aeronautics and Space Administration
    Inventors: Patrick E. Cassidy, John W. Fitch, III, Scott D. Gronewald, Anne K. St. Clair, Diane M. Stoakley