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:
May. 29, 2012
Filed:
Mar. 11, 2008
Applicants:
Hiroshi Egawa, Seki, JP;
Nobuyuki Kaga, Seki, JP;
Tsuyumi Takashiba, Wako, JP;
Shiro Yagawa, Wako, JP;
Inventors:
Hiroshi Egawa, Seki, JP;
Nobuyuki Kaga, Seki, JP;
Tsuyumi Takashiba, Wako, JP;
Shiro Yagawa, Wako, JP;
Assignee:
Honda Motor Co., Ltd., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H01M 8/04 (2006.01);
U.S. Cl.
CPC ...
Abstract
A coolant composition for a fuel cell unit, which contains at least one aliphatic alcohol having unsaturated bonds in the molecules having 2 to 20 carbon atoms each. The coolant composition maintains the electrical conductivity of the coolant at 10 μS/cm or below as well as the fluctuation of the electrical conductivity within the range of 0 to 10 μS/cm.