Patent · US Active

Alkyl perfluoroalkene ethers and uses thereof

US8486295B2 · kind B2 · utility

2Cited by

1References

8Claims

0Family size

Assignee

E.I. DU PONT DE NEMOURS AND COMPANY · US

Inventors

Joan Ellen Bartelt · Wilmington, US
Robert Daniel Lousenberg · Wilmington, US

Key dates

Filing date	Jun 28, 2011
Grant date	Jul 16, 2013
Priority date	—
Expiry date	Oct 7, 2031

Classification

Technology area (CPC C)Chemistry; Metallurgy
CPC primaryC09K5/10
WIPO fieldBasic materials chemistry
WIPO sectorChemistry

Abstract

Disclosed are methods of transferring heat comprising providing a device, using a heat-transfer fluid to transfer heat to or from the device, wherein the heat-transfer fluid compositions comprise at least one unsaturated fluoroether having the formula CF3(CF2)xCF═CFCF(OR)(CF2)yCF3, CF3(CF2)xC(OR)═CFCF2(CF2)yCF3, CF3CF═CFCF(OR)(CF2)x(CF2)yCF3, CF3(CF2)xCF═C(OR)CF2(CF2)yCF3, or mixtures thereof, wherein R can be either CH3, C2H5 or mixtures thereof, and wherein x and y are independently 0, 1, 2 or 3, and wherein x+y=0, 1, 2 or 3.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.