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Title:
INDUSTRIAL OIL COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2022/054651
Kind Code:
A1
Abstract:
The industrial oil composition includes a mineral oil or a synthetic oil as a base oil and a neutral phosphorous acid ester derivative represented by formula (B) and a 2,6-di-t-butylphenol derivative represented by formula (C) as antioxidants. In formula (B), Rb21-Rb24 each independently represent a C10-16 aliphatic hydrocarbon group. In formula (C), Rc1 is a C1-12 linear or branched alkyl group.

Inventors:
AKAO YUJI (JP)
Application Number:
PCT/JP2021/032030
Publication Date:
March 17, 2022
Filing Date:
August 31, 2021
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Assignee:
CITIZEN WATCH CO LTD (JP)
International Classes:
C10M169/04; C10M101/02; C10M105/74; C10M129/70; C10M133/40; C10M137/02; C10M137/04; C10N20/02; C10N30/00; C10N40/02; C10N40/04; C10N40/08; C10N40/12; C10N40/20; C10N40/22; C10N40/24; C10N40/30
Domestic Patent References:
WO2018173555A12018-09-27
WO2020100430A12020-05-22
Foreign References:
JP2020056447A2020-04-09
JPH09157681A1997-06-17
JPH0641572A1994-02-15
JPH01247493A1989-10-03
JPH06192678A1994-07-12
JP2011178990A2011-09-15
Attorney, Agent or Firm:
TORANOMON INTELLECTUAL PROPERTY FIRM (JP)
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