Login| Sign Up| Help| Contact|

Patent Searching and Data


Title:
LURBICATING OIL COMPOSITION
Document Type and Number:
WIPO Patent Application WO/2004/096958
Kind Code:
A1
Abstract:
A lubricating oil composition which enables wet clutches to have a high coefficient of dynamic friction and retain it highly satisfactorily. In particular, the lubricating oil composition is suitable for automatic transmissions or non-stage transmissions. It comprises a lube base oil, and incorporated therein, (A) 0.001 to 1 wt.% trihydric or higher polyol and/or condensate thereof, (B) 0.01 to 1 wt.% ash-free dispersant in terms of nitrogen amount, and (C) 0.011 to 0.5 wt.% metal-compound detergent in terms of metal amount, each amount being based on the whole composition.

Inventors:
Komatsubara, Hitoshi c/o NIPPON OIL CORPORATION (8 Chidori-cho, Naka-ku, Yokohama-sh, Kanagawa 15, 23108, JP)
Matsui, Shigeki c/o NIPPON OIL CORPORATION (8 Chidori-cho, Naka-ku, Yokohama-sh, Kanagawa 15, 23108, JP)
Application Number:
PCT/JP2004/006008
Publication Date:
November 11, 2004
Filing Date:
April 26, 2004
Export Citation:
Click for automatic bibliography generation   Help
Assignee:
NIPPON OIL CORPORATION (3-12, Nishi-shimbashi 1-chome Minato-k, Tokyo 12, 10584, JP)
Komatsubara, Hitoshi c/o NIPPON OIL CORPORATION (8 Chidori-cho, Naka-ku, Yokohama-sh, Kanagawa 15, 23108, JP)
Matsui, Shigeki c/o NIPPON OIL CORPORATION (8 Chidori-cho, Naka-ku, Yokohama-sh, Kanagawa 15, 23108, JP)
International Classes:
C10M169/04; C10M101/02; C10M105/04; C10M129/08; C10M129/40; C10M129/70; C10M133/06; C10M133/16; C10M133/56; C10M139/00; C10M159/22; C10M159/24; C10M163/00; C10N10/04; C10N20/02; C10N30/06; C10N40/04; (IPC1-7): C10M163/00
Attorney, Agent or Firm:
Morita, Nobuyuki (Watase bldg, 5-8 Nishi-shimbashi 3-chome, Minato-k, Tokyo 03, 10500, JP)
Download PDF: