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:
Nov. 17, 2020
Filed:
Oct. 07, 2016
Applicant:
Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;
Inventor:
Masato Kaneko, Ichihara, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C10M 107/24 (2006.01); C09K 5/04 (2006.01); C10M 105/38 (2006.01); C10M 107/34 (2006.01); F25B 31/00 (2006.01); C10N 30/02 (2006.01); C10N 30/20 (2006.01); C10N 40/30 (2006.01);
U.S. Cl.
CPC ...
C10M 107/24 (2013.01); C09K 5/04 (2013.01); C09K 5/045 (2013.01); C10M 105/38 (2013.01); C10M 107/34 (2013.01); F25B 31/002 (2013.01); C09K 2205/122 (2013.01); C09K 2205/126 (2013.01); C09K 2205/22 (2013.01); C09K 2205/24 (2013.01); C10M 2207/2835 (2013.01); C10M 2209/043 (2013.01); C10N 2030/02 (2013.01); C10N 2030/20 (2013.01); C10N 2040/30 (2013.01); F25B 2500/16 (2013.01);
Abstract
A refrigerator oil that is excellent in thermal stability and oxidation stability is provided. The refrigerator oil contains at least one compound selected from the group consisting of a polyvinyl ether compound, a polyoxyalkylene glycol compound, and a polyol ester compound and has a Hazen color number according to ASTM D1209-05 of 0 to 10.