(19)
(11) EP 4 544 009 A1

(12)

(43) Date of publication:
30.04.2025 Bulletin 2025/18

(21) Application number: 23827586.1

(22) Date of filing: 19.06.2023
(51) International Patent Classification (IPC): 
C10M 129/76(2006.01)
(52) Cooperative Patent Classification (CPC):
C10N 2030/06; C10M 2215/04; C10M 2207/288; C10M 2207/2835; C10M 2209/1055; C10M 2203/1025; C10M 2223/06; C10M 141/00
 
C-Sets:
C10M 2209/1055, C10M 2209/1085;
(86) International application number:
PCT/MY2023/050049
(87) International publication number:
WO 2023/249482 (28.12.2023 Gazette 2023/52)
(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:
KH MA MD TN

(30) Priority: 21.06.2022 MY PI2022003307

(71) Applicant: Petroliam Nasional Berhad (Petronas)
50088 Kuala Lumpur (MY)

(72) Inventors:
  • M YASIN, Farah Fazlina
    Kajang, Selangor, 43000 (MY)
  • DOLFI, Andrea
    10029 Villastellone (TO) (IT)
  • SRINIVASAN, Geetha
    Kajang, Selangor, 43000 (MY)
  • PEROTTO, Carlo
    10029 Villastellone (TO) (IT)
  • SATERIALE, Maria Teresa
    10029 Villastellone (TO) (IT)
  • SWADZBA-KWASNY, Malgorzata
    Belfast, Northern, BT9 5AG (IE)

(74) Representative: Marks & Clerk LLP 
15 Fetter Lane
London EC4A 1BW
London EC4A 1BW (GB)

   


(54) COMPOSITION COMPRISING BASE OIL AND ASHLESS IONIC LIQUID