Granted Patent
Utility
US 4,634,722 · App. 06/527,550
Copolymers and hydrogels: process and articles made thereof
Inventor:
Paul M. Gallop
Patented Case
View Patent ↗
Granted: Jan 6, 1987
Filed: Aug 29, 1983
Inventor
Paul M. Gallop
Assignee (at issue)
Syntex (U.S.A.) LLC
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.