Perfluorobutyl ether-based composition

Details Perfluorobutyl ether-based composition Perfluorobutyl ether-based composition

2008-01-10

2010-02-16

Hardee, John R (Department: 1796)

Compositions

Vaporization, or expansion, refrigeration or heat or energy...

C510S176000, C510S204000

Reexamination Certificate

active

07662303

ABSTRACT:
The present invention relates to perfluorobutyl ether mixtures or compositions that are azeotropic or of azeotropic type. More particularly, one subject of the invention is compositions comprising at least one nonafluorobutyl alkyl ether and a biodegradable compound, capable of being used as a solvent or refrigerant.

REFERENCES:
patent: 2004/0143028 (2004-07-01), Takano et al.
patent: 2005/0043422 (2005-02-01), Shibanuma et al.
patent: 700953 (1996-03-01), None

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