Title:
ANTIOXIDANT COMPOSITION, LUBRICANT COMPOSITION, AND METHOD FOR SUPPRESSING INCREASE IN VISCOSITY OF LUBRICANT
Document Type and Number:
WIPO Patent Application WO/2007/102429
Kind Code:
A1
Abstract:
Disclosed are an antioxidant composition and a lubricant composition respectively containing an organic tungsten compound and an aromatic compound. Also disclosed is a method for suppressing an increase in viscosity of a lubricant, wherein an organic tungsten compound and an aromatic compound are contained in the lubricant. Consequently, the lubricant can achieve sufficiently long drain intervals.
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Inventors:
YAGISHITA KAZUHIRO (JP)
Application Number:
PCT/JP2007/054058
Publication Date:
September 13, 2007
Filing Date:
March 02, 2007
Export Citation:
Assignee:
NIPPON OIL CORP (JP)
YAGISHITA KAZUHIRO (JP)
YAGISHITA KAZUHIRO (JP)
International Classes:
C09K15/32; C09K15/18; C10M169/04; C10M127/04; C10M127/06; C10M129/06; C10M129/26; C10M133/06; C10M133/16; C10M133/56; C10M135/10; C10M135/18; C10M137/10; C10N10/12; C10N30/02; C10N30/04; C10N30/08; C10N30/10; C10N40/00; C10N40/02; C10N40/04; C10N40/08; C10N40/12; C10N40/25; C10N40/30; C10N50/10
Foreign References:
| JPS5367686A | 1978-06-16 | |||
| JPH01501396A | 1989-05-18 | |||
| JPH07150169A | 1995-06-13 | |||
| JP2005194416A | 2005-07-21 | |||
| JP2002275488A | 2002-09-25 | |||
| JPH108070A | 1998-01-13 | |||
| JP2006117730A | 2006-05-11 | |||
| JP2006117734A | 2006-05-11 |
Attorney, Agent or Firm:
HASEGAWA, Yoshiki et al. (Ginza First Bldg. 10-6 Ginza 1-chome, Chuo-k, Tokyo 61, JP)
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