Granted Patent
Utility
US 5,132,376 · App. 07/630,673
Process for selective removal of dimeric species from phenolic polymers
Inventor:
Thomas R. Sarubbi
Patented Case
View Patent ↗
Granted: Jul 21, 1992
Filed: Dec 20, 1990
Inventor
Thomas R. Sarubbi
Assignee (at issue)
OCG Microelectronic Materials, Inc.
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.