(19)
(11) EP 4 249 576 A3

(12) EUROPEAN PATENT APPLICATION

(88) Date of publication A3:
06.12.2023 Bulletin 2023/49

(43) Date of publication A2:
27.09.2023 Bulletin 2023/39

(21) Application number: 23168061.2

(22) Date of filing: 06.11.2019
(51) International Patent Classification (IPC): 
C10M 137/02(2006.01)
C10N 30/06(2006.01)
C10N 40/04(2006.01)
 C10N 30/00(2006.01)
C10N 40/02(2006.01)
(52) Cooperative Patent Classification (CPC):
C10M 137/02; C10M 2223/043; C10M 2223/045; C10M 2223/047; C10M 2219/106; C10M 2205/02; C10M 2215/28; C10M 2223/04; C10M 2215/223; C10M 2219/022; C10M 2207/289; C10M 2205/0285; C10N 2030/06; C10N 2030/54; C10N 2030/56; C10N 2040/02; C10N 2040/04
 
C-Sets:
C10M 2223/045, C10N 2010/04;
(84) Designated Contracting States:
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

(30) Priority: 12.11.2018 US 201862758729 P

(62) Application number of the earlier application in accordance with Art. 76 EPC:
19835960.6 / 3884016

(71) Applicant: The Lubrizol Corporation
Wickliffe, OH 44092-2298 (US)

(72) Inventor:
  • BARTON, William R. S.
    Belper, DE56 1QN (GB)

(74) Representative: D Young & Co LLP 
120 Holborn
London EC1N 2DY
London EC1N 2DY (GB)

   


(54) LUBRICATING COMPOSITION FOR AUTOMOTIVE OR INDUSTRIAL GEARS AND USE THEREOF


(57) The disclosed technology relates to a lubricant composition for automotive or industrial gears, as well as axles and bearings, the lubricant composition containing an oil of lubricating viscosity and a metal alkylthiophosphate compound, such as zinc dialkyldithiophosphate, as well as a method of obtaining extreme pressure performance in automotive or industrial gears, axles and bearings at lower sulfur content than is typical, by lubricating such automotive or industrial gears, axles and bearings with a lubricant composition containing a metal alkylthiophosphate compound, such as zinc dialkyldithiophosphate.





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