(19)
(11) EP 4 127 118 A1

(12)

(43) Date of publication:
08.02.2023 Bulletin 2023/06

(21) Application number: 21716197.5

(22) Date of filing: 01.04.2021
(51) International Patent Classification (IPC): 
C10M 173/02(1985.01)
C10N 40/08(1985.01)
C10N 30/12(1985.01)
(52) Cooperative Patent Classification (CPC):
C10M 173/02; C10M 2207/0225; C10M 2207/125; C10M 2201/062; C10M 2215/042; C10N 2040/08; C10N 2030/12
 
C-Sets:
C10M 2201/062, C10N 2010/02;
(86) International application number:
PCT/EP2021/058734
(87) International publication number:
WO 2021/198478 (07.10.2021 Gazette 2021/40)
(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
Designated Extension States:
BA ME
Designated Validation States:
KH MA MD TN

(30) Priority: 03.04.2020 JP 2020067578

(71) Applicant: Shell Internationale Research Maatschappij B.V.
2596 HR The Hague (NL)

(72) Inventor:
  • KANEKO, Hiroshi
    Tokyo, 135-8074 (JP)

(74) Representative: Shell Legal Services IP 
PO Box 384
2501 CJ The Hague
2501 CJ The Hague (NL)

   


(54) WATER-GLYCOL HYDRAULIC FLUID COMPOSITION AND SUPPLEMENTARY ADDITIVE THEREFOR