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:
Jan. 03, 2023
Filed:
Jan. 08, 2019
Applicant:
Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;
Inventor:
So Nakajima, Edogawa-ku, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C10M 169/04 (2006.01); C09K 5/04 (2006.01); C10M 107/24 (2006.01); C10M 107/34 (2006.01); C10M 137/02 (2006.01); C10M 137/04 (2006.01); C10M 137/12 (2006.01); C10N 30/00 (2006.01); C10N 40/30 (2006.01);
U.S. Cl.
CPC ...
C10M 169/04 (2013.01); C09K 5/045 (2013.01); C10M 107/24 (2013.01); C10M 107/34 (2013.01); C10M 137/02 (2013.01); C10M 137/04 (2013.01); C10M 137/12 (2013.01); C09K 2205/106 (2013.01); C09K 2205/12 (2013.01); C09K 2205/122 (2013.01); C09K 2205/126 (2013.01); C09K 2205/132 (2013.01); C10M 2209/043 (2013.01); C10M 2209/1033 (2013.01); C10M 2223/041 (2013.01); C10M 2223/049 (2013.01); C10M 2223/06 (2013.01); C10N 2030/42 (2020.05); C10N 2040/30 (2013.01);
Abstract
A lubricating oil composition excellent in the wear resistance and a refrigerator oil composition excellent in the oxidation stability using the lubricating oil composition are provided by a lubricating oil composition containing a base oil (A) and a phosphine derivative (B) having one or more oxygen atom in a molecule.