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:
Oct. 08, 2019

Filed:

Mar. 10, 2016
Applicant:

Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;

Inventors:

Masato Kaneko, Ichihara, JP;

Tadashi Kisen, Ichihara, JP;

Takahiro Hoshida, Kariya, JP;

Assignee:

IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;

Attorney:
Primary Examiner:
Int. Cl.
CPC ...
C09K 5/04 (2006.01); C10M 105/38 (2006.01); C10M 105/14 (2006.01); F25B 31/00 (2006.01); F25B 1/00 (2006.01);
U.S. Cl.
CPC ...
C10M 105/38 (2013.01); C09K 5/04 (2013.01); C09K 5/045 (2013.01); C10M 105/14 (2013.01); F25B 31/002 (2013.01); C09K 2205/122 (2013.01); C09K 2205/126 (2013.01); C09K 2205/22 (2013.01); C10M 2207/0225 (2013.01); C10M 2207/2835 (2013.01); C10N 2240/30 (2013.01); F25B 1/00 (2013.01); F25B 2500/16 (2013.01); F25B 2500/221 (2013.01);
Abstract

The mixed composition for a refrigerator of the present invention contains: a refrigerant containing at least one unsaturated fluorinated hydrocarbon compound selected from compounds represented by the following molecular formula (1):CFH  (1)wherein p represents an integer of from 2 to 6; r represents an integer of from 1 to 11; and s represents an integer of from 1 to 11, provided that the compound has one or more carbon-carbon unsaturated bond in a molecule, and a refrigerator lubricating oil containing, as a major component, a polyol ester (A) of a fatty acid (a1) that is a fatty acid having a number of carbon atoms of from 9 to 16 and has a content of a fatty acid having a number of carbon atoms of 9 of 50% by mol or more based on the total amount of the fatty acid (a1), and a polyol (a2) that is pentaerythritol and/or dipentaerythritol.


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