Granted Patent
Utility
US 4,612,356 · App. 06/710,638
Homo- and co- (addition) polymers of di-perfluoroalkyl carbamyl group containing (meth) acrylate monomers
Inventor:
Robert A. Falk
Patented Case
View Patent ↗
Granted: Sep 16, 1986
Filed: Mar 11, 1985
Inventor
Robert A. Falk
Assignee (at issue)
Ciba-Geigy
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.