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
Application
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)
- US 8343900 B2 20130101 - VISGER DANIEL C [US], et al
- US 2570846 A 19511009 - OTTO FERDINAND P, et al
- US 3574575 A 19710413 - GEE PAUL Y C, et al
- US 5703023 A 19971230 - SRINIVASAN SANJAY [US]
- US 8293689 B2 20121023 - GRISSO BRYAN A [US], et al
- WO 2017012716 A1 20170126 - SASOL PERFORMANCE CHEMICALS GMBH [DE]
Citation (search report)
- [XDY] EP 3121204 A1 20170125 - SASOL PERFORMANCE CHEMICALS GMBH [DE]
- [XDYI] US 8343900 B2 20130101 - VISGER DANIEL C [US], et al
- [YD] US 5703023 A 19971230 - SRINIVASAN SANJAY [US]
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