(19)
(11) EP 4 430 147 A1

(12)

(43) Date of publication:
18.09.2024 Bulletin 2024/38

(21) Application number: 22802283.6

(22) Date of filing: 01.11.2022
(51) International Patent Classification (IPC): 
C10M 165/00(2006.01)
C10N 30/00(2006.01)
C10N 30/02(2006.01)
C10N 40/25(2006.01)
(52) Cooperative Patent Classification (CPC):
C10N 2040/25; C10N 2030/54; C10M 2203/1025; C10M 2215/28; C10M 2219/046; C10N 2030/52; C10M 2223/045; C10M 2207/026; C10M 2209/084; C10N 2030/02; C10M 2205/02; C10M 2207/262; C10M 2207/28; C10M 2219/068; C10N 2030/40; C10M 165/00
 
C-Sets:
  1. C10M 2207/28, C10N 2060/14;
  2. C10M 2219/068, C10N 2010/12;
  3. C10M 2203/1025, C10N 2020/02;
  4. C10M 2219/046, C10N 2010/04;
  5. C10M 2223/045, C10N 2010/04;
  6. C10M 2207/262, C10N 2010/04;

(86) International application number:
PCT/IB2022/060512
(87) International publication number:
WO 2023/084360 (19.05.2023 Gazette 2023/20)
(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: 09.11.2021 US 202163277296 P

(71) Applicant: Chevron Japan Ltd.
Tokyo 105-6218 (JP)

(72) Inventors:
  • ONOUCHI, Hisanari
    Tokyo, 105-6218 (JP)
  • TANAKA, Isao
    Tokyo, 105-6218 (JP)

(74) Representative: Haseltine Lake Kempner LLP 
One Portwall Square Portwall Lane
Bristol BS1 6BH
Bristol BS1 6BH (GB)

   


(54) HIGH EFFICIENCY ENGINE OIL COMPOSITIONS