Granted Patent
Utility
US 5,047,487 · App. 07/336,587
Compositions of poly(imides) having phenylindane diamines and/or dianhydride moieties in the poly(imide) backbone
Inventors:
Rafael Camargo, Frank W. Mercer, Tai C. Cheng
Patented Case
View Patent ↗
Granted: Sep 10, 1991
Filed: Apr 10, 1989
Inventors
Rafael Camargo
Frank W. Mercer
Tai C. Cheng
Assignee (at issue)
Raychem Limited
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.