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.

Date of Patent:
Sep. 17, 2024

Filed:

Mar. 12, 2021
Applicant:

Eneos Corporation, Tokyo, JP;

Inventors:

Satoshi Nagai, Tokyo, JP;

Tatsuki Nakajima, Tokyo, JP;

Yuya Mizutani, Tokyo, JP;

Hidetoshi Ogata, Tokyo, JP;

Assignee:

ENEOS CORPORATION, Tokyo, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C10M 105/38 (2006.01); C09K 5/04 (2006.01); C10N 30/10 (2006.01); C10N 40/30 (2006.01);
U.S. Cl.
CPC ...
C10M 105/38 (2013.01); C09K 5/045 (2013.01); C10M 2207/042 (2013.01); C10N 2030/10 (2013.01); C10N 2040/30 (2013.01);
Abstract

An aspect of the present invention provides a refrigerating machine oil containing an ester-based base oil, at least one epoxy compound selected from an alkyl glycidyl ether and an aryl glycidyl ether, and a phenol-based antioxidant, wherein a content of the epoxy compound is 0.7% by mass or more based on a total amount of the refrigerating machine oil, and the refrigerating machine oil is used with a refrigerant containing trifluoroiodomethane.


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