Title:
LUBRICANT OIL COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2007/021014
Kind Code:
A1
Abstract:
Disclosed is a lubricant oil composition which has an excellent preventive property on the abrasion of a metal pulley or a metal belt and an excellent initial shudder preventing property, can exert a shudder preventing property for a prolonged period of time, and is suitable for use in a continuously variable transmission with a sliding-controlled wet clutch and a metal belt. A lubricant oil composition comprising (A) alkylsalicylic acid metal salts composed of 85-100 mol% of a monoalkylsalicylic acid metal salt, 0-15 mol% of a dialkylsalicylic acid metal salt and 40-100 mol% of a 3-alkylsalicylic acid metal salt, each based on the total amount of the composition, and/or a (per)basic salt thereof; (B) a specific nitrogen compound, and (C) a phosphorus-containing anti-abrasion agent in a lubricant base oil.
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Inventors:
KOMATSUBARA HITOSHI (JP)
MATSUI SHIGEKI (JP)
MATSUI SHIGEKI (JP)
Application Number:
PCT/JP2006/316274
Publication Date:
February 22, 2007
Filing Date:
August 14, 2006
Export Citation:
Assignee:
NIPPON OIL CORP (JP)
KOMATSUBARA HITOSHI (JP)
MATSUI SHIGEKI (JP)
KOMATSUBARA HITOSHI (JP)
MATSUI SHIGEKI (JP)
International Classes:
C10M163/00; C10M101/02; C10M129/54; C10M135/36; C10M137/04; C10M159/22; C10N10/02; C10N10/04; C10N30/00; C10N30/06; C10N40/04
Domestic Patent References:
| WO2004013263A1 | 2004-02-12 |
Foreign References:
| JP2001348590A | 2001-12-18 | |||
| JPH07197064A | 1995-08-01 | |||
| JP2004067811A | 2004-03-04 | |||
| JP2004067812A | 2004-03-04 | |||
| JP2003113391A | 2003-04-18 | |||
| JP2001323292A | 2001-11-22 | |||
| JP2000355695A | 2000-12-26 | |||
| JPH1150077A | 1999-02-23 | |||
| JPH10306292A | 1998-11-17 | |||
| JPH1025487A | 1998-01-27 | |||
| JP2004067812A | 2004-03-04 |
Other References:
See also references of EP 1918356A4
Attorney, Agent or Firm:
MORITA, Nobuyuki (5-8 Nishi-shimbashi 3-chome, Minato-k, Tokyo 03, JP)
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