Granted Patent
Utility
US 4,540,805 · App. 06/655,833
Di-perfluoroalkyl carbamyl group containing acrylates and methacrylates
Inventor:
Robert A. Falk
Patented Case
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Granted: Sep 10, 1985
Filed: Oct 1, 1984
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.