Granted Patent
Utility
US 4,338,419 · App. 06/184,596
Process for treatment of hydrogel lens with thiols
Inventors:
Donald R. Korb, Paul M. Gallop
Patented Case
View Patent ↗
Granted: Jul 6, 1982
Filed: Sep 5, 1980
Inventors
Donald R. Korb
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.