EP 0686690 B1 20021113 - Gear and transmission lubricant compositions of improved sludge-dispersibility.
Title (en)
Gear and transmission lubricant compositions of improved sludge-dispersibility.
Title (de)
Schmiermittelzusammensetzungen für Getriebe und Kraftübertragung mit verbesserten Dispergierungseigenschaften von Schlamm.
Title (fr)
Compositions lubrifiantes pour engrenages et transmissions aux propriétés dispersantes de boues.
Publication
Application
Priority
EP 94304031 A 19940606
Abstract (en)
[origin: EP0686690A1] A gear or transmission lubricant composition, comprising a major portion of mineral base oil, containing added thereto (A) a phosphorus-containing metal-free organic compound, such as a phosphate ester or amine salt thereof, and (B) an oil-soluble copolymer of (a) an alkyl (meth)acrylate and (b) a N,N-dialkylaminoalkyl (meth)acrylate, shows improved sludge dispersibility, and is useful as automatic transmission fluid.
IPC 1-7
IPC 8 full level
C10M 161/00 (2006.01); C10M 167/00 (2006.01)
CPC (source: EP)
C10M 137/02 (2013.01); C10M 137/04 (2013.01); C10M 137/08 (2013.01); C10M 137/10 (2013.01); C10M 137/12 (2013.01); C10M 149/04 (2013.01); C10M 149/10 (2013.01); C10M 159/24 (2013.01); C10M 161/00 (2013.01); C10M 167/00 (2013.01); C10M 2217/022 (2013.01); C10M 2217/023 (2013.01); C10M 2217/028 (2013.01); C10M 2217/06 (2013.01); C10M 2219/046 (2013.01); C10M 2223/02 (2013.01); C10M 2223/04 (2013.01); C10M 2223/041 (2013.01); C10M 2223/042 (2013.01); C10M 2223/043 (2013.01); C10M 2223/045 (2013.01); C10M 2223/049 (2013.01); C10M 2223/06 (2013.01); C10M 2223/061 (2013.01); C10M 2223/10 (2013.01); C10N 2040/02 (2013.01); C10N 2040/04 (2013.01); C10N 2040/042 (2020.05); C10N 2040/044 (2020.05); C10N 2040/046 (2020.05)
Designated contracting state (EPC)
DE FR GB
DOCDB simple family (publication)
EP 0686690 A1 19951213; EP 0686690 B1 20021113; DE 69431710 D1 20021219; DE 69431710 T2 20030724
DOCDB simple family (application)
EP 94304031 A 19940606; DE 69431710 T 19940606