Title:
【発明の名称】改良された潤滑組成物、およびそこで有用な添加剤
Document Type and Number:
Japanese Patent JP3212603
Kind Code:
B2
Abstract:
This invention relates to compositions comprising a major amount of an oil of lubricating viscosity, (A) a metal salt selected from the group consisting of sulfonates, phenates, carboxylates and mixtures thereof, (B) an aliphatic carboxylic acid or anhydride, or carboxylic acid containing derivative thereof, wherein the aliphatic group contains at least about 20 carbon atoms and optionally (C) a metal salt of (C) (I) at least one organic phosphorus acid or a mixture of (C) (I) at least one organic phosphorus acid and (C) (II) at least one carboxylic acid. Also disclosed are lubricants and functional fluids containing these additives, methods for improving the wet filterability of lubricants and functional fluids, and means for retaining zinc when zinc-containing compositions are exposed to water.
Inventors:
Cooper, Timothy
Vincci, James Noel
Vincci, James Noel
Application Number:
JP50358893A
Publication Date:
September 25, 2001
Filing Date:
July 15, 1992
Export Citation:
Assignee:
THE LUBRIZOL CORPORATION
International Classes:
C08K3/04; C08K3/40; C08K7/06; C08K7/14; C08L71/12; C10M129/38; C10M129/68; C10M129/92; C10M129/95; C10M137/02; C10M137/04; C10M137/10; C10M141/10; C10M159/20; C10M163/00; C10N10/02; C10N10/04; C10N10/06; C10N10/08; C10N10/12; C10N10/14; C10N10/16; C10N30/00; C10N40/08; C10N40/20; C10N40/25; C10M; (IPC1-7): C10M159/20; C10M129/38; C10M129/68; C10M129/92; C10M129/95; C10M137/02; C10M137/04; C10M137/10
Domestic Patent References:
| JP5915491A | ||||
| JP5859294A | ||||
| JP60501109A |
Other References:
【文献】欧州特許出願公開462319(EP,A1)
Attorney, Agent or Firm:
Shusaku Yamamoto