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:

Dec. 29, 2010
Applicants:

Takumaru Sagawa, Yokohama, JP;

Takafumi Ueno, Yokohama, JP;

Hisayuki Wada, Yokosuka, JP;

Tooru Aoki, Yokosuka, JP;

Inventors:

Takumaru Sagawa, Yokohama, JP;

Takafumi Ueno, Yokohama, JP;

Hisayuki Wada, Yokosuka, JP;

Tooru Aoki, Yokosuka, JP;

Assignees:

Nissan Motor Co., Ltd., Yokohama-shi, JP;

Nippon Oil Corporation, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 137/04 (2006.01); C10M 137/10 (2006.01); C10M 133/16 (2006.01); C10M 167/00 (2006.01); C10M 169/04 (2006.01);
U.S. Cl.
CPC ...
C10M 137/105 (2013.01); C10N 2230/02 (2013.01); C10M 137/04 (2013.01); C10M 137/10 (2013.01); C10M 167/00 (2013.01); C10M 169/04 (2013.01); C10M 2203/065 (2013.01); C10M 2203/1006 (2013.01); C10M 2205/0285 (2013.01); C10M 2207/2825 (2013.01); C10M 2209/084 (2013.01); C10M 2215/064 (2013.01); C10M 2215/223 (2013.01); C10M 2215/28 (2013.01); C10M 2223/041 (2013.01); C10M 2223/045 (2013.01); C10M 2223/047 (2013.01); C10M 2229/041 (2013.01); C10N 2210/02 (2013.01); C10N 2220/022 (2013.01); C10N 2230/00 (2013.01); C10N 2230/06 (2013.01); C10N 2230/28 (2013.01); C10N 2240/04 (2013.01); C10N 2240/042 (2013.01); C10N 2240/044 (2013.01); C10N 2260/14 (2013.01);
Abstract

A transmission oil composition for an automobile characterized in that it contains a base oil selected from the group consisting of a mineral oil, a synthetic oil and mixtures thereof; and a phosphate compound selected from the group consisting of (A) a zinc dithiophosphate having a hydrocarbon group, (B) a triaryl phosphate (C) a triaryl thiophosphate, and mixtures thereof at 0.1 to 15.0% by mass with respect to the total composition; wherein the composition has a volume resistivity of 1×10ohm·m or more at 80° C.


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