Granted Patent
Utility
US 5,478,915 · App. 08/175,817
Polyimide oligomers
Inventors:
Michael James Amone, Mark R. Southcott
Patented Case
View Patent ↗
Granted: Dec 26, 1995
Filed: Dec 30, 1993
Inventors
Michael James Amone
Mark R. Southcott
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.