Granted Patent
Utility
US 5,288,422 · App. 08/031,740
Azeotrope-like compositions of 1,1,1,3,3,5,5,5-octafluoropentane, chlorinated ethylenes, and optionally nitromethane
Inventors:
Rajat S. Basu, Ellen L. Swan, David P. Wilson
Patented Case
View Patent ↗
Granted: Feb 22, 1994
Filed: Mar 15, 1993
Inventors
Rajat S. Basu
Ellen L. Swan
David P. Wilson
Assignee (at issue)
AlliedSignal, 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.