Granted Patent
Utility
US 4,316,002 · App. 06/087,650
Molding compositions comprised of polyimide/N-vinylpyrrolidone prepolymer and epoxy resin
Inventors:
Robert Cassat, Gerard L. H. Guillot
Patented Case
View Patent ↗
Granted: Feb 16, 1982
Filed: Oct 23, 1979
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.