Global Patent Index - EP 3967739 B1

EP 3967739 B1 20230426 - USE OF ISOSORBIDE DIESTER AS A DEPOSIT CONTROL AGENT

Title (en)

USE OF ISOSORBIDE DIESTER AS A DEPOSIT CONTROL AGENT

Title (de)

VERWENDUNG VON ISOSORBIDDIESTER ALS DEPOTKONTROLLMITTEL

Title (fr)

UTILISATION DE DIESTER D'ISOSORBIDE EN TANT QU'AGENT DE CONTRÔLE DE DÉPÔT

Publication

EP 3967739 B1 20230426 (EN)

Application

EP 20305997 A 20200909

Priority

EP 20305997 A 20200909

Abstract (en)

[origin: EP3967739A1] The present invention relates to the use of isosorbide diesters as a deposit control agent and optionally additive solubilizing agent. It also concerns lubricant compositions comprising it, and methods for reducing/preventing deposits and optionally improving solubilizing property of base oils.

IPC 8 full level

C10M 105/38 (2006.01); C10M 129/74 (2006.01)

CPC (source: EP)

C10M 105/38 (2013.01); C10M 129/74 (2013.01); C10M 2203/1025 (2013.01); C10M 2207/283 (2013.01); C10M 2207/2835 (2013.01); C10N 2030/02 (2013.01); C10N 2030/04 (2013.01)

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 3967739 A1 20220316; EP 3967739 B1 20230426

DOCDB simple family (application)

EP 20305997 A 20200909