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. 14, 2018
Filed:
Nov. 11, 2015
Applicant:
Jxtg Nippon Oil & Energy Corporation, Tokyo, JP;
Inventors:
Assignee:
JXTG NIPPON OIL & ENERGY CORPORATION, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 5/04 (2006.01); C10M 105/38 (2006.01); C10M 129/10 (2006.01); C10M 171/00 (2006.01);
U.S. Cl.
CPC ...
C10M 105/38 (2013.01); C09K 5/045 (2013.01); C10M 129/10 (2013.01); C10M 171/008 (2013.01); C09K 2205/126 (2013.01); C09K 2205/24 (2013.01); C10M 2207/023 (2013.01); C10M 2207/2835 (2013.01); C10N 2220/302 (2013.01); C10N 2230/10 (2013.01); C10N 2240/30 (2013.01);
Abstract
The present invention provides a refrigerating machine oil comprising: a base oil comprising an ester of a polyhydric alcohol and a fatty acid comprising 20 to 100% by mol of a branched fatty acid having 4 to 9 carbon atoms; and 0.2 to 0.5% by mass of a phenol-based antioxidant based on a total amount of the refrigerating machine oil, and the refrigerating machine oil being used with trifluoroethylene refrigerant.