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:
Aug. 04, 2020
Filed:
Aug. 19, 2016
Applicant:
Jxtg Nippon Oil & Energy Corporation, Tokyo, JP;
Inventors:
Akira Takagi, Tokyo, JP;
Go Tatsumi, Tokyo, JP;
Assignee:
JXTG NIPPON OIL & ENERGY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 155/02 (2006.01); C10M 157/10 (2006.01); B01D 19/04 (2006.01); C10M 159/00 (2006.01); C10M 169/04 (2006.01); C10M 145/14 (2006.01);
U.S. Cl.
CPC ...
C10M 155/02 (2013.01); B01D 19/04 (2013.01); B01D 19/0409 (2013.01); C10M 157/10 (2013.01); C10M 159/005 (2013.01); C10M 169/041 (2013.01); C10M 145/14 (2013.01); C10M 2209/084 (2013.01); C10M 2229/02 (2013.01); C10M 2229/041 (2013.01); C10M 2229/048 (2013.01); C10N 2220/021 (2013.01); C10N 2220/082 (2013.01); C10N 2230/18 (2013.01); C10N 2240/04 (2013.01); C10N 2240/08 (2013.01); C10N 2240/10 (2013.01); C10N 2270/00 (2013.01);
Abstract
A lubricating oil composition including: a lubricant base oil; (A) a first defoaming agent obtainable by a process, the process including the step of: polymerizing (b) at least one defoaming agent monomer in (a) a polymerization solvent under coexistence of (c) a polymer soluble in the polymerization solvent; and (B) a second defoaming agent being a silicone defoaming agent.