Granted Patent
Utility
US 4,968,558 · App. 07/431,033
Ultraviolet radiation photopolymerization of acrylic ester pressure sensitive adhesive formulation
Inventors:
Dennis Fisher, Brian J. Briddell
Patented Case
View Patent ↗
Granted: Nov 6, 1990
Filed: Nov 2, 1989
Inventors
Dennis Fisher
Brian J. Briddell
Assignee (at issue)
Nalco Chemical Company
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.