Global Patent Index - EP 4384589 A1

EP 4384589 A1 20240619 - USE OF HEMIMELLITIC ESTER AS A BASE OIL FOR LUBRICANT COMPOSITIONS

Title (en)

USE OF HEMIMELLITIC ESTER AS A BASE OIL FOR LUBRICANT COMPOSITIONS

Title (de)

VERWENDUNG VON HEMIMELLITSÄUREESTER ALS BASISÖL FÜR SCHMIERSTOFFZUSAMMENSETZUNGEN

Title (fr)

UTILISATION D'ESTERS D'ACIDE HÉMIMELLITIQUE EN TANT QU'HUILE DE BASE POUR DES COMPOSITIONS LUBRIFIANTES

Publication

EP 4384589 A1 20240619 (DE)

Application

EP 22764322 A 20220804

Priority

  • DE 102021121037 A 20210812
  • EP 2022071929 W 20220804

Abstract (en)

[origin: WO2023016908A1] The invention relates to the use of hemimellitic ester of the following general formula I, wherein R1, R2 and R3 are independently of one another a) an unsubstituted, branched or unbranched C1 to C20 alkyl group or b) a C1 to C5 alkyl group containing at least one substituent selected from the group consisting of cycloalkyl groups and aromatic groups or C) a C5 to C20 aromatic group or a C5 to C20 cycloalkyl group, wherein the hemimellitic ester of formula I may be in the form of a mixture of different compounds of formula I, as a base oil of a lubricant composition for lubricating tribological systems.

IPC 8 full level

C10M 105/36 (2006.01); C10M 111/04 (2006.01); C10N 20/02 (2006.01); C10N 30/00 (2006.01); C10N 30/02 (2006.01); C10N 30/10 (2006.01); C10N 30/12 (2006.01); C10N 50/10 (2006.01)

CPC (source: EP KR)

C10M 105/36 (2013.01 - EP KR); C10M 111/04 (2013.01 - EP KR); C10M 2203/1025 (2013.01 - EP KR); C10M 2205/0265 (2013.01 - EP KR); C10M 2205/0285 (2013.01 - EP KR); C10M 2207/2825 (2013.01 - EP KR); C10M 2207/2835 (2013.01 - EP KR); C10M 2207/2855 (2013.01 - EP KR); C10M 2207/2865 (2013.01 - EP KR); C10M 2215/1026 (2013.01 - EP KR); C10N 2020/02 (2013.01 - EP KR); C10N 2030/02 (2013.01 - EP KR); C10N 2030/10 (2013.01 - EP KR); C10N 2030/12 (2013.01 - EP KR); C10N 2030/26 (2020.05 - EP KR); C10N 2030/64 (2020.05 - EP KR); C10N 2030/68 (2020.05 - EP KR); C10N 2030/74 (2020.05 - EP KR); C10N 2030/76 (2020.05 - EP KR); C10N 2050/10 (2013.01 - EP KR)

C-Set (source: EP)

C10M 2203/1025 + C10N 2020/02

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)

WO 2023016908 A1 20230216; AU 2022327545 A1 20240328; CA 3227839 A1 20230216; CN 117940537 A 20240426; EP 4384589 A1 20240619; KR 20240038052 A 20240322

DOCDB simple family (application)

EP 2022071929 W 20220804; AU 2022327545 A 20220804; CA 3227839 A 20220804; CN 202280055477 A 20220804; EP 22764322 A 20220804; KR 20247006229 A 20220804