1,1,1,2,2,4,5,5,5-NONAFLUORO-4-(TRIFLUOROMETHYL)-3-PENTANONE REFRIGERANT COMPOSITIONS AND USES THEREOF

Title:

1,1,1,2,2,4,5,5,5-NONAFLUORO-4-(TRIFLUOROMETHYL)-3-PENTANONE REFRIGERANT COMPOSITIONS AND USES THEREOF

Document Type and Number:

WIPO Patent Application WO2005118754

Kind Code:

A3

Abstract:

The present invention relates to compositions for use in refrigeration and air conditioning systems comprising 1,1,1,2,2,4,5,5,5-nonafluoro-4-(trifluoromethyl)-3-pentanone and at least one chlorocarbon, alcohol, ketone, ether, ester, N-(difluoromethyl)-N,N-dimethylamine, 1,1,1,2,2-pentafluoro-2-[(pentafluoroethyl)thio]ethane or mixtures thereof, and which are also useful in systems employing a centrifugal compressor. The compositions of the present invention may be azeotropic or near azeotropic and are useful in processes for producing refrigeration or heat or as heat transfer fluids.

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Inventors:

MINOR BARBARA HAVILAND (US)
LECK THOMAS J (US)

Application Number:

PCT/US2005/018881

Publication Date:

July 27, 2006

Filing Date:

May 25, 2005

Export Citation:

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Assignee:

DU PONT (US)
MINOR BARBARA HAVILAND (US)
LECK THOMAS J (US)

International Classes:

C09K5/04; C07C49/167; C09K5/00; C10M101/00; F25D1/00

Domestic Patent References:

WO2000024814A1

2000-05-04

Foreign References:

US5045226A

1991-09-03

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