Granted Patent
Utility
US 4,385,154 · App. 06/311,898
Molding compositions comprised of polyimide/N-vinylpyrrolidone prepolymer and epoxy resin
Inventors:
Robert Cassat, Gerard L. H. Guillot
Patented Case
View Patent ↗
Granted: May 24, 1983
Filed: Oct 15, 1981
Inventors
Robert Cassat
Gerard L. H. Guillot
Assignee (at issue)
Rhone-Poulenc Industries
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.