Global Patent Index - EP 3739026 B1

EP 3739026 B1 20210630 - POLYAZIRIDINE POLYMERS AS LUBRICATING OIL ADDITIVES

Title (en)

POLYAZIRIDINE POLYMERS AS LUBRICATING OIL ADDITIVES

Title (de)

POLYAZIRIDINPOLYMERE ALS SCHMIERÖLADDITIVE

Title (fr)

POLYMÈRES DE POLYAZIRIDINE EN TANT QU'ADDITIFS D'HUILE LUBRIFIANTE

Publication

EP 3739026 B1 20210630 (EN)

Application

EP 19174838 A 20190516

Priority

EP 19174838 A 20190516

Abstract (en)

[origin: EP3739026A1] The invention relates to a lubricating oil composition comprising a polyaziridine polymer, a process for preparing such lubricating oil composition and the use thereof as a lubricating oil additive for reducing friction in a transmission fluid, an engine oil formulation, a gear oil formulation, an axle fluid or in a hydraulic fluid.

IPC 8 full level

C10M 151/04 (2006.01)

CPC (source: CN EP)

C10M 151/04 (2013.01 - CN EP); C10M 2221/04 (2013.01 - CN EP); C10N 2030/06 (2013.01 - EP); C10N 2040/04 (2013.01 - EP); C10N 2040/042 (2020.05 - EP); C10N 2040/044 (2020.05 - EP); C10N 2040/045 (2020.05 - EP); C10N 2040/08 (2013.01 - EP); C10N 2040/25 (2013.01 - EP)

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

DOCDB simple family (publication)

EP 3739026 A1 20201118; EP 3739026 B1 20210630; CN 111944584 A 20201117; CN 111944584 B 20221122; JP 2020186387 A 20201119; JP 7508266 B2 20240701; SG 10202004309Q A 20201230

DOCDB simple family (application)

EP 19174838 A 20190516; CN 202010405525 A 20200514; JP 2020086320 A 20200515; SG 10202004309Q A 20200511