Granted Patent
Utility
US 4,937,277 · App. 07/194,259
Alkoxylated silicon polymers
Inventor:
Anthony J. O'Lenick, Jr.
Patented Case
View Patent ↗
Granted: Jun 26, 1990
Filed: May 16, 1988
Inventor
Anthony J. O'Lenick, Jr.
Assignee (at issue)
Rhone-Poulenc Specialty Chemicals 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.