Granted Patent
Utility
US 3,947,337 · App. 05/535,706
.alpha.,.omega.-Diarylpolyene photosensitizers for sulfonylazide polymers
Inventors:
Gerret M. Peters, Jr., Fred A. Stuber, Henri Ulrich
Patented Case
View Patent ↗
Granted: Mar 30, 1976
Filed: Dec 23, 1974
Inventors
Gerret M. Peters, Jr.
Fred A. Stuber
Henri Ulrich
Assignee (at issue)
The Upjohn Co.
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.