Title:
実質的に窒素を含まない分散剤を含有する液圧組成物
Document Type and Number:
Japanese Patent JP5468583
Kind Code:
B2
Abstract:
The present invention provides a composition containing (a) a substantially nitrogen free dispersant derived from the reaction product of: (i) a polyalkenyl-substituted acylating agent; and (ii) a polyol; (b) a primary metal hydrocarbyl dithiophosphate; (c) an oil of lubricating viscosity; and (d) optionally a viscosity modifier, wherein the composition contains about 35 ppm or less of nitrogen derived from a substantially nitrogen free dispersant. The invention further provides a process for preparing the composition and its use.
Inventors:
Donald El. Clason
Application Number:
JP2011175422A
Publication Date:
April 09, 2014
Filing Date:
August 10, 2011
Export Citation:
Assignee:
THE LUBRIZOL CORPORATION
International Classes:
C10M169/04; C10M141/10; C10M101/02; C10M129/10; C10M129/95; C10M133/12; C10M133/44; C10M137/10; C10M143/00; C10M145/14; C10M159/22; C10N10/04; C10N30/02; C10N30/04; C10N30/06; C10N40/08
Domestic Patent References:
| JP2003529669A | ||||
| JP2003502452A | ||||
| JP52003585A | ||||
| JP55007895A |
Foreign References:
| US3381022 |
Other References:
桜井俊男,石油製品添加剤,1973年,初版,p.257-269
Attorney, Agent or Firm:
Hidesaku Yamamoto
Natsuki Morishita
Natsuki Morishita