Granted Patent
Utility
US 6,383,257 · App. 09/542,995
Reclamation and separation of perfluorocarbons using condensation
Inventors:
Wayne Thomas McDermott, Richard Carl Ockovic, Alexander Schwarz, Rakesh Agrawal
Patented Case
View Patent ↗
Granted: May 7, 2002
Filed: Apr 4, 2000
Inventors
Wayne Thomas McDermott
Richard Carl Ockovic
Alexander Schwarz
Rakesh Agrawal
Assignee (at issue)
Air Products and Chemicals, 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.