The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Oct. 31, 2006
Filed:
Dec. 16, 2003
Michael G. Costello, Afton, MN (US);
Richard M. Flynn, Mahtomedi, MN (US);
Frederick E. Behr, Woodbury, MN (US);
Michael G. Costello, Afton, MN (US);
Richard M. Flynn, Mahtomedi, MN (US);
Frederick E. Behr, Woodbury, MN (US);
3M Innovative Properties Company, St. Paul, MN (US);
Abstract
The present invention provides an apparatus comprising a device and a mechanism for heat transfer comprising a hydrofluoroether heat-transfer fluid wherein the heat transfer fluid is represented by the following structure:R—O—R—O—R'wherein: O is oxygen; Rand R′ are, independently, a fluoroaliphatic group, wherein each Rand R′ contain 1 hydrogen atom; Ris independently a linear, branched or cyclic alkylene group having from 2 to about 8 carbon atoms and at least 4 hydrogen atoms, and wherein the hydrofluoroether compound is free of —O—CH—O—. Another embodiment of the present invention is a method therefor.