Patents by Inventor Thomas Francis Rosenkranz

Thomas Francis Rosenkranz 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).

  • Photoresist containing a thiodipropionate compound
    Patent number: 4059449
    Abstract: This invention relates to a photoresist consisting of a novolak resin and a sensitizer containing a thiodipropionate compound.
    Type: Grant
    Filed: September 30, 1976
    Date of Patent: November 22, 1977
    Assignee: RCA Corporation
    Inventors: Thomas Francis Rosenkranz, Richard Joseph Himics