Title:
改善された熱安定性およびスリップ性能を有する潤滑組成物
Document Type and Number:
Japanese Patent JP4774151
Kind Code:
B2
Abstract:
This invention relates to a lubricating composition comprising a blend of a major amount of an oil of lubricating viscosity, gear or transmission oil package and a top treatment which comprises at least one saturated fatty phosphate ester or salt, wherein the lubricating composition is free of saturated fatty phosphites. Tin another embodiment, the invention relates to a lubricating composition comprising a major amount of an oil of lubricating viscosity, at least one saturated fatty phosphate ester or salt, at least one polysulfide and at least one phosphorus antiwear or extreme pressure agent, wherein the lubricating composition is free of saturated fatty phosphites. The invention relates to additive combinations which when added to a lubricant can provide and improve frictional and, optionally, thermal stability properties. The additives include a phosphate ester or salt wherein the hydrocarbyl group of the phosphate is a fatty-saturated group. The top treatment may also include a substituted fatty imidazoline or reaction product of a fatty carboxylic acid and polyalkylene polyamine and/or a borated dispersant.
Inventors:
Kane, Robert W.
Application Number:
JP2000577258A
Publication Date:
September 14, 2011
Filing Date:
October 19, 1999
Export Citation:
Assignee:
THE LUBRIZOL CORPORATION
International Classes:
C10M141/10; C10M129/28; C10M169/04; C10M133/46; C10M135/04; C10M135/06; C10M135/20; C10M137/04; C10M137/06; C10M137/08; C10M137/10; C10M139/00; C10M141/12; C10M149/22; C10M155/04; C10M159/12; C10M159/20; C10M159/22; C10M159/24; C10M163/00; C10M133/16; C10N10/02; C10N10/04; C10N30/00; C10N30/04; C10N30/06; C10N30/08; C10N40/04
Domestic Patent References:
| JPH09328697A | 1997-12-22 | |||
| JPH0339396A | 1991-02-20 | |||
| JPH0339399A | 1991-02-20 | |||
| JPH03285990A | 1991-12-17 | |||
| JPH06330069A | 1994-11-29 | |||
| JPH03210395A | 1991-09-13 | |||
| JPH08508531A | 1996-09-10 | |||
| JPH04227992A | 1992-08-18 | |||
| JPH04226196A | 1992-08-14 | |||
| JPH07150183A | 1995-06-13 | |||
| JPH093470A | 1997-01-07 |
Foreign References:
| WO1995009904A1 | 1995-04-13 | |||
| WO1998039400A2 | 1998-09-11 |
Attorney, Agent or Firm:
Hidesaku Yamamoto
Takaaki Yasumura
Natsuki Morishita
Takaaki Yasumura
Natsuki Morishita