Global Patent Index - EP 2055729 A1

EP 2055729 A1 20090506 - Lubricating composition

Title (en)

Lubricating composition

Title (de)

Schmiermittelzusammensetzung

Title (fr)

Composition lubrifiante

Publication

EP 2055729 A1 20090506 (EN)

Application

EP 07119030 A 20071023

Priority

EP 07119030 A 20071023

Abstract (en)

The present invention provides a lubricating composition comprising: - a base oil; and - one or more poly(hydroxycarboxylic acid) amide salt derivatives having formula (III): €ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ€ƒ [Y-CO[O-A-CO] n -Z-R + ] m pX q- €ƒ€ƒ€ƒ€ƒ€ƒ(III) wherein Y is hydrogen or an optionally substituted hydrocarbyl group, A is a divalent optionally substituted hydrocarbyl group, n is from 1 to 100, preferably from 1 to 10, m is from 1 to 4, q is from 1 to 4 and p is an integer such that pq = m, Z is an optionally substituted divalent bridging group which is attached to the carbonyl group through a nitrogen atom, R + is an ammonium group and X q- is an anion.

IPC 8 full level

C08G 63/685 (2006.01); C08G 63/06 (2006.01); C10M 141/06 (2006.01); C10M 141/10 (2006.01); C10M 161/00 (2006.01); C10M 163/00 (2006.01)

CPC (source: EP)

C10M 133/16 (2013.01); C10M 141/08 (2013.01); C10M 149/14 (2013.01); C10M 2201/084 (2013.01); C10M 2207/028 (2013.01); C10M 2207/262 (2013.01); C10M 2215/08 (2013.01); C10M 2217/04 (2013.01); C10M 2219/046 (2013.01); C10N 2030/06 (2013.01); C10N 2030/10 (2013.01); C10N 2030/52 (2020.05); C10N 2040/25 (2013.01)

Citation (search report)

Designated contracting state (EPC)

AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU LV MC MT NL PL PT RO SE SI SK TR

Designated extension state (EPC)

AL BA HR MK RS

DOCDB simple family (publication)

EP 2055729 A1 20090506; AR 070757 A1 20100505; WO 2009053413 A1 20090430

DOCDB simple family (application)

EP 07119030 A 20071023; AR P080104620 A 20081023; EP 2008064327 W 20081022