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:
Jul. 16, 2019
Filed:
Feb. 10, 2016
Applicant:
Jxtg Nippon Oil & Energy Corporation, Chiyoda-ku, Tokyo, JP;
Inventors:
Assignee:
JXTG Nippon Oil & Energy Corporation, Tokyo, JP;
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 169/04 (2006.01); C10M 105/38 (2006.01); C10M 129/18 (2006.01); C10M 129/66 (2006.01); C09K 5/04 (2006.01); C10M 105/34 (2006.01); C10M 171/00 (2006.01);
U.S. Cl.
CPC ...
C10M 169/04 (2013.01); C09K 5/045 (2013.01); C10M 105/34 (2013.01); C10M 105/38 (2013.01); C10M 129/18 (2013.01); C10M 129/66 (2013.01); C10M 171/008 (2013.01); C09K 5/04 (2013.01); C09K 2205/122 (2013.01); C09K 2205/24 (2013.01); C10M 2207/042 (2013.01); C10M 2207/28 (2013.01); C10M 2207/2815 (2013.01); C10M 2207/2835 (2013.01); C10N 2230/08 (2013.01); C10N 2240/30 (2013.01);
Abstract
The present invention provides a refrigerating machine oil comprising: a base oil containing an ester of dipentaerythritol with 2-methylbutanoic acid and n-pentanoic acid; and at least one epoxy compound selected from the group consisting of a glycidyl ester compound and a glycidyl ether compound, the refrigerating machine oil being used with a difluoromethane refrigerant.