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:
May. 26, 2020
Filed:
Nov. 18, 2016
Applicant:
Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;
Inventors:
So Nakajima, Edogawa-ku, JP;
Masato Kaneko, Ichihara, JP;
Tetsuhiko Fukanuma, Kariya, JP;
Ryo Matsubara, Kariya, JP;
Yuki Yokoi, Kariya, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C10M 169/04 (2006.01); C09K 5/04 (2006.01); C10M 107/34 (2006.01); C10M 129/08 (2006.01); C10M 129/16 (2006.01); C10M 133/16 (2006.01); C10M 141/06 (2006.01); C10M 171/00 (2006.01);
U.S. Cl.
CPC ...
C10M 169/04 (2013.01); C09K 5/04 (2013.01); C09K 5/041 (2013.01); C10M 107/34 (2013.01); C10M 129/08 (2013.01); C10M 129/16 (2013.01); C10M 133/16 (2013.01); C10M 141/06 (2013.01); C10M 171/008 (2013.01); C10M 2207/022 (2013.01); C10M 2207/046 (2013.01); C10M 2209/1033 (2013.01); C10M 2209/1045 (2013.01); C10M 2209/1055 (2013.01); C10M 2209/1065 (2013.01); C10M 2209/1075 (2013.01); C10M 2209/1085 (2013.01); C10M 2209/1095 (2013.01); C10M 2215/08 (2013.01); C10M 2215/28 (2013.01); C10M 2223/041 (2013.01); C10N 2220/021 (2013.01); C10N 2220/022 (2013.01); C10N 2220/302 (2013.01); C10N 2220/303 (2013.01); C10N 2220/305 (2013.01); C10N 2220/306 (2013.01); C10N 2230/06 (2013.01); C10N 2230/08 (2013.01); C10N 2240/30 (2013.01);
Abstract
The lubricating oil composition for a refrigerator of the present invention is used with a refrigerant containing carbon dioxide, and contains a base oil (A) containing a polyoxyalkylene glycol as a major component, and an alcohol (B) having at least one hydroxy group, in which a total number of the hydroxy group and an ether bond is from 2 to 3 (provided that the number of an ether bond may be 0).