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:
Mar. 25, 2025
Filed:
Jul. 07, 2021
Applicant:
Eneos Corporation, Tokyo, JP;
Inventors:
Tatsuki Nakajima, Tokyo, JP;
Shogo Hashimoto, Tokyo, JP;
Hidetoshi Ogata, Tokyo, JP;
Yuma Seki, Tokyo, JP;
Assignee:
ENEOS CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 129/76 (2006.01); C09K 5/04 (2006.01); C10M 169/04 (2006.01); C10N 40/30 (2006.01);
U.S. Cl.
CPC ...
C10M 129/76 (2013.01); C09K 5/045 (2013.01); C10M 169/04 (2013.01); C09K 2205/126 (2013.01); C10M 2207/281 (2013.01); C10M 2207/289 (2013.01); C10N 2040/30 (2013.01);
Abstract
One aspect of the present invention is a refrigerating machine oil containing: a base oil; and a partial ester of a carboxylic acid and a polyhydric alcohol, wherein the carboxylic acid contains an unsaturated carboxylic acid.