Refrigerator lubricating oil and mixed composition for refrigerator

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United States of America Patent

PATENT NO 10435641
APP PUB NO 20180079982A1
SERIAL NO

15561768

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ATTORNEY / AGENT: (SPONSORED)

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Abstract

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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):

description='In-line Formulae' end='lead'CpFrHs  (1)description='In-line Formulae' end='tail'

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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Patent Owner(s)

Patent OwnerAddress
IDEMITSU KOSAN CO LTD2-1 OTEMACHI 1-CHOME CHIYODA-KU TOKYO 100-8321

International Classification(s)

Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Hoshida, Takahiro Kariya, JP 29 162
Kaneko, Masato Ichihara, JP 103 1134
Kisen, Tadashi Ichihara, JP 14 51

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