(19)
(11) EP 4 824 205 A1

(12)

(43) Date of publication:
21.10.2026 Bulletin 2026/43

(21) Application number: 24837455.5

(22) Date of filing: 13.12.2024
(51) International Patent Classification (IPC): 
C10M 163/00(2006.01)
C10N 20/04(2006.01)
C10N 30/04(2006.01)
C10N 40/25(2006.01)
C10M 169/04(2006.01)
C10N 30/02(2006.01)
C10N 30/00(2006.01)
(52) Cooperative Patent Classification (CPC):
C10M 163/00; C10N 2030/02; C10N 2030/04; C10N 2030/42; C10N 2030/45; C10N 2030/52; C10N 2030/76; C10N 2040/25; C10M 169/045; C10M 2203/1006; C10M 2203/1025; C10M 2227/066; C10N 2020/02; C10M 2207/262; C10M 2207/028; C10M 2219/046; C10M 2223/045; C10N 2010/04; C10N 2010/12; C10M 2215/28; C10M 2217/06; C10M 2219/068; C10M 2215/064; C10M 2207/026; C10M 2219/024; C10M 2227/02; C10M 2227/04; C10M 2229/041; C10M 2229/042; C10M 2229/047; C10N 2020/073; C10N 2020/04
 
C-Sets:
  1. C10M 2219/046, C10N 2010/04;
  2. C10M 2219/068, C10N 2010/12;
  3. C10M 2215/28, C10N 2060/14;
  4. C10M 2223/045, C10N 2010/04;
  5. C10M 2207/262, C10N 2010/04;
  6. C10M 2207/028, C10N 2010/04;

(86) International application number:
PCT/IB2024/062631
(87) International publication number:
WO 2025/126136 (19.06.2025 Gazette 2025/25)
(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 ME MK MT NL NO PL PT RO RS SE SI SK SM TR
Designated Extension States:
BA
Designated Validation States:
GE KH MA MD TN

(30) Priority: 14.12.2023 US 202363610014 P
15.11.2024 US 202418948730

(71) Applicant: Infineum International Limited
Abingdon, Oxfordshire OX13 6BD (GB)

(72) Inventors:
  • MARSH, Adam
    Abingdon, Oxfordshire OX13 6BD (GB)
  • DRIVER, Mark
    Abingdon, Oxfordshire OX13 6BD (GB)
  • CHIRITA, Roxana
    Abingdon, Oxfordshire OX13 6BD (GB)

(74) Representative: Pedley, Michael Ewan 
Infineum UK Ltd. Legal Department Milton Hill Business And Technology Centre Milton Hill
Abingdon, Oxfordshire OX13 6BD
Abingdon, Oxfordshire OX13 6BD (GB)

   


(54) LUBRICANT COMPOSITIONS CONTAINING OLEFIN POLYMERS FOR REDUCED PRE-IGNITION IN HYDROGEN FUELED ENGINES