Granted Patent
Utility
US 6,420,503 · App. 09/497,846
Norbornene sulfonamide polymers
Inventors:
Saikumar Jayaraman, Richard Vicari, Larry F. Rhodes, Pushkara R. Varanasi, Thomas I. Wallow, Ratnam Sooriyakumaran, Robert David Allen, Richard Anthony DiPietro, Hiroshi Ito, Juliann Opitz
Patented Case
View Patent ↗
Granted: Jul 16, 2002
Filed: Feb 3, 2000
Inventors
Saikumar Jayaraman
Richard Vicari
Larry F. Rhodes
Pushkara R. Varanasi
Thomas I. Wallow
Ratnam Sooriyakumaran
Robert David Allen
Richard Anthony DiPietro
Hiroshi Ito
Juliann Opitz
Assignees (at issue)
SUMITOMO BAKELITE CO., LTD.
International Business Machines Corporation
This patent predates the USPTO's electronic file wrapper — prosecution documents from this era exist only in the Patent Office's paper records. A certified copy of the file history can be ordered from the USPTO's paper archives.