Global Patent Index - EP 3705557 A1

EP 3705557 A1 20200909 - USE OF POLYMERS AS ADDITIVES FOR LUBRICANT OIL COMPOSITIONS

Title (en)

USE OF POLYMERS AS ADDITIVES FOR LUBRICANT OIL COMPOSITIONS

Title (de)

VERWENDUNG VON POLYMEREN ALS ZUSÄTZE FÜR SCHMIERÖLZUSAMMENSETZUNGEN

Title (fr)

UTILISATION DE POLYMÈRES EN TANT QU'ADDITIFS POUR COMPOSITIONS D'HUILE LUBRIFIANTE

Publication

EP 3705557 A1 20200909 (EN)

Application

EP 19161442 A 20190307

Priority

EP 19161442 A 20190307

Abstract (en)

The present invention is concerned with the use of polymeric additives in lubricant oil compositions, wherein the polymers comprise styrene and maleic acid dialkyl ester building blocks and increase the shear stability of the composition.

IPC 8 full level

C10M 145/16 (2006.01)

CPC (source: EP)

C10M 145/16 (2013.01); C10M 2205/04 (2013.01); C10N 2020/02 (2013.01); C10N 2020/04 (2013.01); C10N 2020/069 (2020.05); C10N 2020/071 (2020.05); C10N 2030/02 (2013.01); C10N 2030/52 (2020.05); C10N 2030/68 (2020.05); C10N 2040/04 (2013.01); C10N 2040/042 (2020.05); C10N 2040/08 (2013.01); C10N 2040/25 (2013.01)

Citation (applicant)

Citation (search report)

Designated contracting state (EPC)

AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

Designated extension state (EPC)

BA ME

DOCDB simple family (publication)

EP 3705557 A1 20200909; CN 113544242 A 20211022; EP 3935145 A1 20220112; WO 2020178460 A1 20200910

DOCDB simple family (application)

EP 19161442 A 20190307; CN 202080019113 A 20200309; EP 2020056278 W 20200309; EP 20707685 A 20200309