Patents by Inventor Robert Rogler

Robert Rogler 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 developer containing fluorinated amphoteric surfactant
    Patent number: 5164286
    Abstract: Described herein is a developer for alkali developable photoresists which comprises the addition of a selected fluorinated amphoteric surfactant to an aqueous basic solution.
    Type: Grant
    Filed: January 24, 1992
    Date of Patent: November 17, 1992
    Assignee: OCG Microelectronic Materials, Inc.
    Inventors: Andrew J. Blakeney, Robert Rogler, Medhat Toukhy, David Brzozowy