Granted Patent
Utility
US 4,602,076 · App. 06/772,206
Photopolymerizable compositions
Inventors:
Maurice J. Ratcliffe, Derek Shaw, Peter Anthony Robinson
Patented Case
View Patent ↗
Granted: Jul 22, 1986
Filed: Sep 5, 1985
Inventors
Maurice J. Ratcliffe
Derek Shaw
Peter Anthony Robinson
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED
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.