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:
Feb. 09, 2016
Filed:
Apr. 24, 2012
Applicants:
Yukio Tatsumi, Tokyo, JP;
Yukiya Moriizumi, Tokyo, JP;
Shinji Iino, Tokyo, JP;
Inventors:
Assignee:
ADEKA CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 135/24 (2006.01); C10M 135/26 (2006.01); C10M 135/06 (2006.01);
U.S. Cl.
CPC ...
C10M 135/06 (2013.01); C10M 135/26 (2013.01); C10M 2219/085 (2013.01); C10N 2230/06 (2013.01); C10N 2230/10 (2013.01); C10N 2230/70 (2013.01); C10N 2240/02 (2013.01); C10N 2240/04 (2013.01); C10N 2240/046 (2013.01); C10N 2240/08 (2013.01); C10N 2240/10 (2013.01); C10N 2240/12 (2013.01); C10N 2240/14 (2013.01); C10N 2240/40 (2013.01); C10N 2250/10 (2013.01);
Abstract
The purpose of the present invention is to provide a thiodicarboxylic acid ester which has high long-term storage stability without inhibiting antioxidant properties and wear-resistant properties of the thiodicarboxylic acid ester. In order to achieve the above-mentioned purpose, the present invention provides a lubricating oil additive composition which is characterized by containing a compound (A) represented by general formula (1) and a compound (B) represented by general formula (2) and by having an acid value of 0.01-0.4 mgKOH/g.