Title:
REFRIGERATION MACHINE OIL AND REFRIGERATION MACHINE OIL PRODUCTION METHOD
Document Type and Number:
WIPO Patent Application WO/2020/158518
Kind Code:
A1
Abstract:
The present invention provides: a refrigeration machine oil production method comprising a step for mixing a hydrocarbyl hydrogen phosphite, having an acid value of 100 mg KOH/g or lower, in a lubricant base oil or in an oil composition containing a lubricant base oil; and a refrigeration machine oil obtained in this manner.
Inventors:
SHONO YOHEI (JP)
NAKAJIMA TATSUKI (JP)
HASHIMOTO SHOGO (JP)
OGATA HIDETOSHI (JP)
NAKAJIMA TATSUKI (JP)
HASHIMOTO SHOGO (JP)
OGATA HIDETOSHI (JP)
Application Number:
PCT/JP2020/002003
Publication Date:
August 06, 2020
Filing Date:
January 21, 2020
Export Citation:
Assignee:
JXTG NIPPON OIL & ENERGY CORP (JP)
International Classes:
C10M137/02; C10N20/00; C10N30/06; C10N40/30; C10N70/00
Domestic Patent References:
| WO2009066722A1 | 2009-05-28 | |||
| WO2008041508A1 | 2008-04-10 |
Foreign References:
| JP2013189506A | 2013-09-26 | |||
| JPH05230488A | 1993-09-07 | |||
| JP2017088651A | 2017-05-25 | |||
| JP2010185017A | 2010-08-26 | |||
| JPS5592799A | 1980-07-14 | |||
| JP2018016736A | 2018-02-01 | |||
| JP2019206672A | 2019-12-05 |
Attorney, Agent or Firm:
HASEGAWA Yoshiki et al. (JP)
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