Title:
BIODEGRADABLE LUBRICATING OIL COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2016/136867
Kind Code:
A1
Abstract:
The biodegradable lubricating oil composition according to the present invention contains 50 mass% or more of a synthetic ester base oil (A), 0.1-3 mass% of an amine antioxidant (B1), 0.1-3 mass% of a phenol antioxidant (B2), and 0.01-2 mass% of a sulfur-phosphorus extreme pressure agent (C), wherein the transmittance at 3005 ± 1 cm-1 as measured by infrared absorption analysis using liquid film of 0.1 mm is 50% or more.
Inventors:
AOKI SHINJI (JP)
Application Number:
PCT/JP2016/055590
Publication Date:
September 01, 2016
Filing Date:
February 25, 2016
Export Citation:
Assignee:
IDEMITSU KOSAN CO (JP)
International Classes:
C10M169/04; C10M105/32; C10M105/38; C10M129/10; C10M129/76; C10M133/12; C10M137/10; C10N20/00; C10N30/00; C10N40/04; C10N40/06; C10N40/08; C10N40/26; C10N40/32
Domestic Patent References:
| WO2011086800A1 | 2011-07-21 |
Foreign References:
| JP2010265397A | 2010-11-25 | |||
| JP2014095088A | 2014-05-22 | |||
| JP2013053227A | 2013-03-21 | |||
| JP2000160177A | 2000-06-13 | |||
| JP2014208853A | 2014-11-06 | |||
| JP2015147859A | 2015-08-20 | |||
| JP2011137089A | 2011-07-14 | |||
| JP2004527592A | 2004-09-09 | |||
| JP2009161664A | 2009-07-23 |
Other References:
See also references of EP 3263677A4
Attorney, Agent or Firm:
OHTANI, Tamotsu et al. (JP)
Tamotsu Otani (JP)
Tamotsu Otani (JP)
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