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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 10669507 B1

PDFFull Text
Date of Patent:
Jun. 02, 2020

Filed:

Nov. 18, 2016

Fuel economy engine oil composition

Applicant:

Chevron Japan Ltd., Minato-ku, JP;

Inventor:

Nobuo Ushioda, Omaezaki, JP;

Assignee:

CHEVRON JAPAN LTD., Minato-ku, JP;

Attorney:

Carlton Virassammy

Primary Examiner:

Prem C Singh

Assistant Examiner:

Francis C Campanell

Int. Cl.
CPC ...
C10M 139/00 (2006.01); C10M 141/10 (2006.01); C10M 163/00 (2006.01); C10M 141/08 (2006.01); C10M 101/02 (2006.01); C10M 129/08 (2006.01); C10M 129/54 (2006.01); C10M 133/12 (2006.01); C10M 133/44 (2006.01); C10M 135/10 (2006.01); C10M 137/10 (2006.01);
U.S. Cl.
CPC ...
C10M 141/10 (2013.01); C10M 101/02 (2013.01); C10M 129/08 (2013.01); C10M 129/54 (2013.01); C10M 133/12 (2013.01); C10M 133/44 (2013.01); C10M 135/10 (2013.01); C10M 137/10 (2013.01); C10M 141/08 (2013.01); C10M 163/00 (2013.01); C10M 2203/1006 (2013.01); C10M 2203/1025 (2013.01); C10M 2207/022 (2013.01); C10M 2207/026 (2013.01); C10M 2207/262 (2013.01); C10M 2207/289 (2013.01); C10M 2209/084 (2013.01); C10M 2215/064 (2013.01); C10M 2215/08 (2013.01); C10M 2215/223 (2013.01); C10M 2215/28 (2013.01); C10M 2219/046 (2013.01); C10M 2223/045 (2013.01); C10N 2220/022 (2013.01); C10N 2220/033 (2013.01); C10N 2230/02 (2013.01); C10N 2230/06 (2013.01); C10N 2230/40 (2013.01); C10N 2230/54 (2013.01); C10N 2230/68 (2013.01); C10N 2240/10 (2013.01);
Abstract

The present invention is directed to a lubricating oil additive containing a vicinal diol and a particular detergent blend typically is low viscosity base oils whereby exhibiting improved fuel economy. In this respect, disclosed is a lubricating oil composition comprising: a major amount of base oil of lubricating viscosity; a friction modifier which is selected from the group consisting of C-Calkane 1,2-diols and C-Calkene 1,2-diols; an overbased alkyl alkaline earth metal hydroxybenzoate detergent having a metal ratio less than 3.0; and an overbased alkyl calcium sulfonate or an overbased alkyl calcium hydroxybenzoate having a metal ratio of 3.5 or greater.

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