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:
Apr. 12, 2016
Filed:
Mar. 10, 2011
Applicants:
Hideki Kamano, Chiba, JP;
Masashi Kaji, Dusseldorf, DE;
Inventors:
Hideki Kamano, Chiba, JP;
Masashi Kaji, Dusseldorf, DE;
Assignee:
IDEMITSU KOSAN CO., LTD., Tokyo, JP;
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
C07D 295/02 (2006.01); C10M 169/04 (2006.01); C10M 135/04 (2006.01); C10M 141/08 (2006.01);
U.S. Cl.
CPC ...
C10M 141/08 (2013.01); C10M 2203/1025 (2013.01); C10M 2215/086 (2013.01); C10M 2215/222 (2013.01); C10M 2215/223 (2013.01); C10M 2215/28 (2013.01); C10M 2219/022 (2013.01); C10M 2219/024 (2013.01); C10M 2219/066 (2013.01); C10M 2219/082 (2013.01); C10M 2219/09 (2013.01); C10M 2219/106 (2013.01); C10M 2223/045 (2013.01); C10N 2230/04 (2013.01); C10N 2230/06 (2013.01); C10N 2230/12 (2013.01); C10N 2230/42 (2013.01); C10N 2230/43 (2013.01); C10N 2230/45 (2013.01); C10N 2240/10 (2013.01); C10N 2240/102 (2013.01); C10N 2240/104 (2013.01);
Abstract
A lubricant oil composition which is excellent in deposition resistance, corrosion resistance and wear resistance, despite its low phosphorus content and low sulfuric acid ash content, is provided by using a succinimide compound in combination with at least one selected from specific sulfur-containing compounds, specific heterocyclic compounds and reaction products thereof.