Global Patent Index - EP 4363538 A1

EP 4363538 A1 20240508 - AQUEOUS LUBRICANT COMPOSITION FOR METALWORKING

Title (en)

AQUEOUS LUBRICANT COMPOSITION FOR METALWORKING

Title (de)

WÄSSRIGE SCHMIERMITTELZUSAMMENSETZUNG FÜR DIE METALLBEARBEITUNG

Title (fr)

COMPOSITION LUBRIFIANTE AQUEUSE POUR LE TRAVAIL DES MÉTAUX

Publication

EP 4363538 A1 20240508 (FR)

Application

EP 22741249 A 20220630

Priority

  • FR 2107131 A 20210701
  • EP 2022068174 W 20220630

Abstract (en)

[origin: WO2023275308A1] The invention relates to an aqueous lubricant composition comprising at least: - water; - from 0.1% to 15% by mass of at least one water-soluble polyalkylene glycol; and - from 0.1% to 15% by mass of at least one alkoxylated castor oil, preferably ethoxylated castor oil. The invention further relates to the use of such an aqueous lubricant composition as a lubricant in a metalworking process, in particular for reducing, or even preventing, the formation of gummy residues.

IPC 8 full level

C10M 173/02 (2006.01); C10N 30/06 (2006.01); C10N 40/20 (2006.01)

CPC (source: EP)

C10M 173/02 (2013.01); C10M 2201/02 (2013.01); C10M 2207/402 (2013.01); C10M 2209/103 (2013.01); C10M 2209/104 (2013.01); C10M 2209/105 (2013.01); C10M 2209/106 (2013.01); C10N 2030/06 (2013.01); C10N 2040/20 (2013.01)

C-Set (source: EP)

C10M 2209/104 + C10M 2209/109

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

Designated validation state (EPC)

KH MA MD TN

DOCDB simple family (publication)

FR 3124801 A1 20230106; CN 117916347 A 20240419; EP 4363538 A1 20240508; WO 2023275308 A1 20230105

DOCDB simple family (application)

FR 2107131 A 20210701; CN 202280053508 A 20220630; EP 2022068174 W 20220630; EP 22741249 A 20220630