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:
Apr. 21, 2020
Filed:
Mar. 12, 2018
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 169/04 (2006.01); C10M 171/00 (2006.01);
U.S. Cl.
CPC ...
C10M 169/04 (2013.01); C09K 5/042 (2013.01); C09K 5/045 (2013.01); C10M 171/008 (2013.01); C09K 2205/12 (2013.01); C09K 2205/122 (2013.01); C09K 2205/126 (2013.01); C09K 2205/22 (2013.01); C10M 2203/1025 (2013.01); C10M 2207/283 (2013.01); C10M 2207/2835 (2013.01); C10M 2209/043 (2013.01); C10M 2209/1055 (2013.01); C10M 2219/082 (2013.01); C10M 2219/083 (2013.01); C10M 2219/087 (2013.01); C10M 2223/04 (2013.01); C10M 2223/041 (2013.01); C10N 2220/022 (2013.01); C10N 2220/302 (2013.01); C10N 2220/303 (2013.01); C10N 2230/02 (2013.01); C10N 2230/06 (2013.01); C10N 2230/70 (2013.01);
Abstract
The present invention provides a refrigerating machine oil comprising a base oil; a sulfide compound; and an orthophosphoric acid ester, wherein a content of the sulfide compound is 0.01 to 2.0% by mass and a content of the orthophosphoric acid ester is 0.1 to 5.0% by mass, based on a total amount of the refrigerating machine oil, and the refrigerating machine oil having a kinematic viscosity at 40° C. of 3 to 500 mm/s.