Patents by Inventor J. Ioan Matthews

J. Ioan Matthews 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).

  • Coating compositions
    Patent number: 7582585
    Abstract: Coating compositions are provided that include a component that is a product of materials comprising an amine and an anhydride and/or an anhydride derivative. Compositions of the invention are particularly useful as an underlying antireflective coating composition (“ARC”) employed with an overcoated photoresist layer in the manufacture of microelectronic wafers and other electronic devices.
    Type: Grant
    Filed: December 30, 2004
    Date of Patent: September 1, 2009
    Assignees: Rohm and Haas Electronic Materials LLC, E.I. duPont De Nemours and Company
    Inventors: Peter Trefonas, III, Sungseo Cho, David L. Goff, J. Ioan Matthews, Hao Yun
  • Coating compositions
    Publication number: 20050181299
    Abstract: Coating compositions are provided that include a component that is a product of materials comprising an amine and an anhydride and/or an anhydride derivative. Compositions of the invention are particularly useful as an underlying antireflective coating composition (“ARC”) employed with an overcoated photoresist layer in the manufacture of microelectronic wafers and other electronic devices.
    Type: Application
    Filed: December 30, 2004
    Publication date: August 18, 2005
    Applicant: Rohm and Haas Electronic Materials LLC
    Inventors: Peter Trefonas, Sungseo Cho, David Goff, J. Ioan Matthews, Hao Yun