Granted Patent
Utility
US 6,277,342 · App. 09/379,007
Storage and safe delivery of hazardous specialty gases by acid/base reactions with ionic polymers
Inventors:
Ronald Martin Pearlstein, Steven Rogers
Patented Case
View Patent ↗
Granted: Aug 21, 2001
Filed: Aug 23, 1999
Inventors
Ronald Martin Pearlstein
Steven Rogers
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.