IP Library Granted Patent US 5,288,930
Granted Patent Utility
US 5,288,930 · App. 08/089,611

Purification of 1,1,1,2-tetrafluoroethane

Inventors: Charles John Shields, Adrian S. Swindells
Patented Case View Patent ↗
Granted: Feb 22, 1994 Filed: Jul 12, 1993
Inventors
Charles John Shields
Adrian S. Swindells
Assignee (at issue)
IMPERIAL CHEMICAL INDUSTRIES LIMITED

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Quick Facts
Patent No.
US 5,288,930
App. No.
08/089,611
Filed
1993-07-12
Granted
1994-02-22
Kind
A