Granted Patent
Utility
US 5,122,589 · App. 07/506,743
Imido/siloxane bismaleimide/aromatic diamine prepolymers
Inventors:
Yves Camberlin, Philippe Michaud
Patented Case
View Patent ↗
Granted: Jun 16, 1992
Filed: Apr 10, 1990
Inventors
Yves Camberlin
Philippe Michaud
Assignee (at issue)
RHONE-POULENC CHIMIE
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.