Title:
低温粘度特性、腐食防止性及び清浄性を有する添加剤組成物
Document Type and Number:
Japanese Patent JP5134196
Kind Code:
B2
Abstract:
An additive composition providing improved low temperature viscosity, corrosion and detergent properties when used in lubricating oils for internal combustion engines is presented. The additive composition comprises an unsulfurized carboxylate detergent-dispersant additive having been modified by incorporation of from about 3.2 wt % to 7.5 wt %, based on the total additive composition, of an alkaline earth metal salt of a linear, saturated carboxylic acid having from about 16 to about 20 carbon atoms and wherein the additive composition has a superalkalinization ratio of less than about 1.4:1, a TBN of less than about 200 and a sediment value of less than about 0.2 % by volume.
Inventors:
Jean-Louis Le Comte
Amedé Gereck
Amedé Gereck
Application Number:
JP2005256807A
Publication Date:
January 30, 2013
Filing Date:
September 05, 2005
Export Citation:
Assignee:
Chevron Oronite S.S.S.
International Classes:
C10M159/22; C10M163/00; C10M129/10; C10M177/00; C10N30/02; C10N30/04; C10N30/12; C10N40/04; C10N40/25; C10N70/00
Domestic Patent References:
| JP9512287A | ||||
| JP2000063867A | ||||
| JP2248495A | ||||
| JP2038494A | ||||
| JP2038495A | ||||
| JP2034690A | ||||
| JP2038496A | ||||
| JP1501399A | ||||
| JP58225197A | ||||
| JP9157677A |
Foreign References:
| US3036971 | ||||
| US3410798 | ||||
| US5035816 | ||||
| US3493516 | ||||
| US6348438 |
Attorney, Agent or Firm:
Yanagawa Yasuo