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.

Date of Patent:
Dec. 02, 2014

Filed:

Nov. 30, 2010
Applicants:

Olivier Poncelet, Grenoble, FR;

Lionel Bonneau, Cran Gevrier, FR;

Daniel Getto, Le Fontanil, FR;

Francois Tardif, Lans en Vercors, FR;

Inventors:

Olivier Poncelet, Grenoble, FR;

Lionel Bonneau, Cran Gevrier, FR;

Daniel Getto, Le Fontanil, FR;

Francois Tardif, Lans en Vercors, FR;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 5/00 (2006.01); C09K 5/10 (2006.01); G21C 15/28 (2006.01); C01F 7/02 (2006.01); B82Y 30/00 (2011.01);
U.S. Cl.
CPC ...
C09K 5/10 (2013.01); C01P 2006/32 (2013.01); Y02E 30/40 (2013.01); C01P 2004/62 (2013.01); C01P 2006/22 (2013.01); G21C 15/28 (2013.01); C01F 7/02 (2013.01); C01P 2004/64 (2013.01); B82Y 30/00 (2013.01);
Abstract

The invention relates to a heat-transporting fluid and to the use thereof. The heat-transporting fluid of the invention is formed of an aqueous colloidal sol including water and up to 58.8 wt %, relative to the total fluid weight, in a-Al2O3 particles, the thickness of which is the smallest dimension and less than or equal to 30 nm 90% to 95% of said a-Al2O3 particles have a size less than or equal to 210 nm, among which 50% have a size less than or equal to 160 nm. The invention is of use in the field of cooling, in particular nuclear reactor backup cooling.


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