Granted Patent
Utility
US 4,785,102 · App. 06/899,133
Photolytically cleavable, N-acylated sterically hindered amines
Inventors:
Godwin Berner, Mario Slongo
Patented Case
View Patent ↗
Granted: Nov 15, 1988
Filed: Aug 21, 1986
Inventors
Godwin Berner
Mario Slongo
Assignee (at issue)
Ciba-Geigy
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.