Title:
重合体分散剤粘度調整剤組成物
Document Type and Number:
Japanese Patent JP2007538141
Kind Code:
A
Abstract:
The present invention provides a composition containing: (a) an oil of lubricating viscosity; (b) an amine salt of a phosphorus compound; (c) a compound selected from the group consisting of: 1) a polymeric dispersant viscosity modifier wherein the polymeric dispersant viscosity modifier excludes copolymers derived from (a) a nitrogen containing monomer; and (b) methacrylic acid esters containing from about 9 to about 25 carbon atoms in the ester group; 2) a polymeric dispersant viscosity modifier, a borated dispersant; and a sulphurised olefin; and 3) mixtures thereof. The invention further provides a process for preparing the composition and a method for improving oxidation cleanliness of surface.
Inventors:
Grisso, Brian A.
Vinci, James N.
Showbar, Burton Jay.
Bisger, Daniel Sea.
Vinci, James N.
Showbar, Burton Jay.
Bisger, Daniel Sea.
Application Number:
JP2007527308A
Publication Date:
December 27, 2007
Filing Date:
May 12, 2005
Export Citation:
Assignee:
THE LUBRIZOL CORPORATION
International Classes:
C10M169/04; C10M101/02; C10M101/04; C10M105/04; C10M105/74; C10M107/50; C10M133/16; C10M137/00; C10M137/08; C10M137/10; C10M145/14; C10M145/16; C10M151/02; C10M161/00; C10N10/06; C10N30/02; C10N30/04; C10N30/06; C10N40/04
Domestic Patent References:
| JPH08208563A | 1996-08-13 | |||
| JPH09100487A | 1997-04-15 | |||
| JPH07331273A | 1995-12-19 | |||
| JP2000355695A | 2000-12-26 | |||
| JPH06211714A | 1994-08-02 | |||
| JPH11279233A | 1999-10-12 | |||
| JPH11323371A | 1999-11-26 | |||
| JP2001311090A | 2001-11-09 |
Foreign References:
| EP0939114A2 | 1999-09-01 |
Attorney, Agent or Firm:
Hidesaku Yamamoto
Takaaki Yasumura
Natsuki Morishita
Takaaki Yasumura
Natsuki Morishita