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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.:

US 10793803 B1

PDFFull Text
Date of Patent:
Oct. 06, 2020

Filed:

Mar. 31, 2016

Gasoline engine lubricant oil composition and manufacturing method therefor

Applicant:

Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;

Inventor:

Tatsuya Kusumoto, Chiba, JP;

Assignee:

IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;

Attorney:

Oblon, McClelland, Maier & Neustadt, L.L.P.

Primary Examiner:

James C Goloboy

Int. Cl.
CPC ...
C10M 169/04 (2006.01); C10M 163/00 (2006.01); C10M 167/00 (2006.01); C10M 141/08 (2006.01); C10N 30/02 (2006.01); C10N 30/04 (2006.01); C10N 30/06 (2006.01); C10N 30/00 (2006.01); C10N 40/25 (2006.01); C10N 60/14 (2006.01);
U.S. Cl.
CPC ...
C10M 169/04 (2013.01); C10M 141/08 (2013.01); C10M 163/00 (2013.01); C10M 167/00 (2013.01); C10M 2203/003 (2013.01); C10M 2203/1025 (2013.01); C10M 2205/0285 (2013.01); C10M 2207/262 (2013.01); C10M 2209/084 (2013.01); C10M 2215/223 (2013.01); C10M 2215/28 (2013.01); C10M 2219/046 (2013.01); C10M 2219/068 (2013.01); C10M 2223/045 (2013.01); C10N 2030/02 (2013.01); C10N 2030/04 (2013.01); C10N 2030/06 (2013.01); C10N 2030/54 (2020.05); C10N 2040/25 (2013.01); C10N 2040/255 (2020.05); C10N 2060/14 (2013.01);
Abstract

Provided is a lubricating oil composition capable of revealing fuel consumption reducing properties due to a friction reducing effect within a short period of time while having excellent fuel consumption reducing properties, specifically a lubricating oil composition of the present invention includes a base oil, a molybdenum dithiocarbamate, a calcium detergent, a magnesium detergent, and a boron-free succinimide, wherein the content of the molybdenum dithiocarbamate as converted into a molybdenum atom is 1,200 ppm by mass or less on a basis of the whole amount of the composition; the content of the boron-free succinimide as converted into a nitrogen atom is less than 1,200 ppm by mass on a basis of the whole amount of the composition; and a mass ratio of the molybdenum atom (Mo) to a magnesium atom (Mg) of the magnesium detergent [Mo/Mg] is 0.1 or more.

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