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:
Jun. 26, 2018
Filed:
Sep. 30, 2014
Jxtg Nippon Oil & Energy Corporation, Tokyo, JP;
Hitoshi Takahashi, Tokyo, JP;
Ken Sawada, Tokyo, JP;
Akira Tada, Tokyo, JP;
Souichirou Konno, Tokyo, JP;
JXTG Nippon Oil & Energy Corporation, Tokyo, JP;
Abstract
The refrigerating machine oil according to the present invention comprises a polyalkylene glycol represented by the following formula (1):R—(OR)—OR  (1)[Rand Rmay be the same or different from each other and each represent a hydrogen atom, an alkyl group having from 1 to 5 carbon atoms, or an acyl group having from 2 to 5 carbon atoms, Rrepresents an alkylene group having from 2 to 4 carbon atoms, n represents an integer such that a number average molecular weight of the polyalkylene glycol represented by the formula (1) is from 1000 to 2500]