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. 25, 2021
Filed:
Dec. 19, 2017
Applicant:
Idemitsu Kosan Co., Ltd., Chiyoda-ku, JP;
Inventors:
So Nakajima, Edogawa-ku, JP;
Tomoya Matsumoto, Funabashi, JP;
Assignee:
IDEMITSU KOSAN CO., LTD., Chiyoda-ku, JP;
Primary Examiner:
Int. Cl.
CPC ...
C09K 5/04 (2006.01); C10M 107/24 (2006.01); C08F 16/18 (2006.01); C10M 169/04 (2006.01); C08F 16/26 (2006.01); C10M 171/00 (2006.01); C10N 20/00 (2006.01); C10N 30/02 (2006.01); C10N 30/06 (2006.01); C10N 30/10 (2006.01); C10N 30/12 (2006.01); C10N 40/30 (2006.01);
U.S. Cl.
CPC ...
C10M 107/24 (2013.01); C08F 16/18 (2013.01); C08F 16/26 (2013.01); C09K 5/04 (2013.01); C09K 5/045 (2013.01); C10M 169/04 (2013.01); C10M 171/008 (2013.01); C09K 2205/122 (2013.01); C09K 2205/22 (2013.01); C10M 2207/026 (2013.01); C10M 2207/042 (2013.01); C10M 2207/044 (2013.01); C10M 2209/043 (2013.01); C10M 2223/041 (2013.01); C10N 2020/101 (2020.05); C10N 2020/103 (2020.05); C10N 2020/105 (2020.05); C10N 2020/106 (2020.05); C10N 2030/02 (2013.01); C10N 2030/06 (2013.01); C10N 2030/10 (2013.01); C10N 2030/12 (2013.01); C10N 2040/30 (2013.01);
Abstract
The present invention relates to a refrigerator oil containing a polyvinyl ether-based compound (A) containing a structural unit (a1) having a methoxy group in a side chain thereof in an amount of 30 mol % or more and 100 mol % or less on a basis of 100 mol % of the whole amount of structural units excluding a terminal structural unit in a molecular structure thereof, a refrigerator oil composition containing the refrigerator oil, and a production method of the refrigerator oil.