EP 0926224 A2 19990630 - Lubricating oil composition
Title (en)
Lubricating oil composition
Title (de)
Schmiermittelzusammensetzung
Title (fr)
Composition d'huile lubrifiante
Publication
Application
Priority
JP 36720497 A 19971225
Abstract (en)
A lubricating oil composition for an automatic or continuously variable transmission, which comprises a lubricating base stock and 0.1 to 10 wt.%, based on the whole weight of the composition, of a compound composed of at least one of alkyl- or alkenyl-substituted cyclic dicarboxylic anhydrides. The composition can achieve a sufficient friction coefficient in a high sliding speed range in the automatic or continuously variable transmission.
IPC 1-7
IPC 8 full level
C10M 129/72 (2006.01); C10M 129/93 (2006.01); C10M 129/94 (2006.01); C10N 30/00 (2006.01); C10N 40/04 (2006.01)
CPC (source: EP)
C10M 129/72 (2013.01); C10M 129/93 (2013.01); C10M 129/94 (2013.01); C10M 2207/123 (2013.01); C10M 2207/129 (2013.01); C10M 2207/14 (2013.01); C10M 2207/142 (2013.01); C10M 2207/22 (2013.01); C10N 2040/04 (2013.01); C10N 2040/042 (2020.05); C10N 2040/044 (2020.05); C10N 2040/046 (2020.05); C10N 2040/08 (2013.01)
Designated contracting state (EPC)
BE DE FR GB IT NL
DOCDB simple family (publication)
EP 0926224 A2 19990630; EP 0926224 A3 20000628; JP H11181460 A 19990706
DOCDB simple family (application)
EP 98124661 A 19981224; JP 36720497 A 19971225