Granted Patent
Utility
US 4,874,685 · App. 07/125,963
Photocurable composition containing a photoreducible dye a thiol and an N,N'-dialkylaniline
Inventor:
Paul C. Adair
Patented Case
View Patent ↗
Granted: Oct 17, 1989
Filed: Nov 27, 1987
Inventor
Paul C. Adair
Assignee (at issue)
The Mead Corporation
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.