Schmiermittel mit Thiadiazolderivaten

Details

Veröffentlichungs-Nr.

EP3683290

Aktenzeichen

EP20151851

Anmeldetag

14. Januar 2020

Veröffentlichung

6. September 2023

Erteilung

6. September 2023

Rechtsraum

EP

IPC

C10M135/36C10M169/04// C10N30/06C10N30/00C10N40/04

Abstract

The present invention describes a lubricating composition comprisinga) a major part of a base oil of lubricating viscosity wherein the base oil is selected from API Group I, II, III, IV, V, or mixtures thereof,b) a total of 0.001 to 0.536 wt.%, based on the total lubricating composition, of one or more monohydrocarbyl-substituted dimercaptothiadiazole derivative(s) according to Formula (I), or a tautomer or salt thereof, belowwherein R is methyl or C₂to C₄alkyl,wherein the total lubricating composition has a sulfur content of up to 2,500 ppm (wt.),c) less than 0.1 wt% phosphite.The invention further describes the use of the lubricating composition according to the invention for lubricating a driveline, a transmission, in particular a manual or automated transmission, a gear, an automated gear, or an axle, and for enhanced FZG test performance. The invention further relates to a method for preparing the lubricating composition of the invention.

Anmelder

Firma

Afton Chemical Corporation

Land

🇺🇸 USA

Fachgebiete