Patents by Inventor Andrew J. Roza

Andrew J. Roza 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).

  • Photosensitive polyimide precursor compositions
    Patent number: 6511789
    Abstract: Reducing inhibition of the photochemical crosslinking by including in the photosensitive polyimide precursor composition a metal inhibitor selected from 1H-tetrazole, 1,2-cyclohexenediamine tetraacetic acid hydrate and 5-mercaptobenzimidazole.
    Type: Grant
    Filed: June 20, 2001
    Date of Patent: January 28, 2003
    Assignee: Arch Specialty Chemicals, Inc.
    Inventors: Ahmad Naiini, Donald Racicot, Andrew J. Roza, William D. Weber, Pamela J. Waterson
  • Photosensitive polyimide precursor compositions
    Publication number: 20020025494
    Abstract: Reducing inhibition of the photochemical crosslinking by including in the photosensitive polyimide precursor composition a metal inhibitor selected from 1H-tetrazole, 1,2-cyclohexenediamine tetraacetic acid hydrate and 5-mercaptobenzimidazole.
    Type: Application
    Filed: June 20, 2001
    Publication date: February 28, 2002
    Applicant: Arch Specialty Chemicals, Inc.
    Inventors: Ahmad Naiini, Donald Racicot, Andrew J. Roza, William D. Weber, Pamela J. Waterson