Granted Patent
Utility
US 4,426,480 · App. 06/467,572
Organo siloxanes, method for the preparation thereof and polymeric compositions containing same
Inventor:
Herbert E. Petty
Patented Case
View Patent ↗
Granted: Jan 17, 1984
Filed: Feb 17, 1983
Inventor
Herbert E. Petty
Assignee (at issue)
Union Carbide 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.