Patents by Inventor Ronald W. Nunes

Ronald W. Nunes 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).

  • Dry developable photoresist containing an epoxide, organosilicon and onium salt
    Patent number: 5229251
    Abstract: A dry developable photoresist composition that contains in admixture a polymeric epoxide; a di- or polyfunctional organosilicon material; and an onium salt; and use thereof to produce an image.
    Type: Grant
    Filed: April 29, 1991
    Date of Patent: July 20, 1993
    Assignee: International Business Machines Corp.
    Inventors: Edward D. Babich, Jeffrey D. Gelorme, Ronald W. Nunes, Sharon L. Nunes, Jurij R. Paraszczak, Russell J. Serino