Is a
Patent attributes
Patent Jurisdiction
Patent Number
Patent Inventor Names
Mitchel Cohn0
Stephen M. Brandstadter0
Vicki Hedrick0
Yuichi Iikubo0
Date of Patent
September 11, 2007
0Patent Application Number
112180550
Date Filed
August 31, 2005
0Patent Primary Examiner
Patent abstract
Methods and materials are disclosed for the recovery of valuable hydrofluorocarbons and subsequent conversion to environmentally inert compounds. More specifically methods and materials are provided for recovering hydrofluorocarbons such as HFC-227, HFC-236, HFC-245, HFC-125, HFC-134, HFC-143, HFC-152, HFC-32, HFC-23 and their respective isomers. Processes are provided for converting hydrofluorocarbons such as these to fluoromonomer precursors such as CFC-217, CFC-216, CFC-215, CFC-115, CFC-114, CFC-113, CFC-112, HCFC-22, CFC-12, CFC-13 and their respective isomers. Materials, methods and schemes are provided for the conversion of these fluoromonomer precursors to fluoromonomers such as HFP, PFP, TFP, TFE, and VDF.
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