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:
Feb. 05, 2019
Filed:
Aug. 26, 2015
Applicant:
Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;
Inventors:
Assignee:
IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09K 5/04 (2006.01); C10M 137/04 (2006.01); C10M 153/04 (2006.01); C10M 169/04 (2006.01); C10M 105/38 (2006.01); C10M 107/24 (2006.01); C10M 107/34 (2006.01); C10M 171/00 (2006.01);
U.S. Cl.
CPC ...
C10M 137/04 (2013.01); C09K 5/04 (2013.01); C10M 105/38 (2013.01); C10M 107/24 (2013.01); C10M 107/34 (2013.01); C10M 153/04 (2013.01); C10M 169/04 (2013.01); C10M 171/008 (2013.01); C10M 2207/026 (2013.01); C10M 2207/046 (2013.01); C10M 2207/2835 (2013.01); C10M 2209/043 (2013.01); C10M 2209/1033 (2013.01); C10M 2223/041 (2013.01); C10M 2225/00 (2013.01); C10M 2229/02 (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 2240/30 (2013.01);
Abstract
The refrigerator oil according to the present invention includes a base oil including an oxygen-containing organic compound and a phosphorus-based compound represented by the following general formula (1). In the formula (1), n represents an integer of 1 to 10; Rto Reach independently represent a hydrogen atom or an alkyl group having 1 to 20 carbon atoms; and Ar represents a divalent hydrocarbon group having 2 to 20 carbon atoms.