Granted Patent
Utility
US 5,081,169 · App. 07/429,883
Organic sulfide stabilized polymeric engineering resins
Inventors:
Joseph M. Bohen, James L. Reilly
Patented Case
View Patent ↗
Granted: Jan 14, 1992
Filed: Oct 31, 1989
Inventors
Joseph M. Bohen
James L. Reilly
Assignee (at issue)
Atochem North America, 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.