(19)
(11) EP 3 523 411 A1

(12)

(43) Date of publication:
14.08.2019 Bulletin 2019/33

(21) Application number: 17797461.5

(22) Date of filing: 06.10.2017
(51) International Patent Classification (IPC): 
C10M 171/00(2006.01)
C10N 20/00(2006.01)
C10N 30/12(2006.01)
C10N 40/04(2006.01)
C10N 10/04(2006.01)
C10N 30/10(2006.01)
C10N 40/02(2006.01)
C10N 40/25(2006.01)
(86) International application number:
PCT/US2017/055489
(87) International publication number:
WO 2018/067903 (12.04.2018 Gazette 2018/15)
(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:
MA MD

(30) Priority: 07.10.2016 US 201662405285 P
05.10.2017 US 201715725734

(71) Applicant: ExxonMobil Research and Engineering Company
Annandale, NJ 08801-0900 (US)

(72) Inventors:
  • FLORES-TORRES, Samuel
    Burlington, NJ 08016 (US)
  • HOLT, David, G.L.
    Meddford, NJ 08055 (US)
  • CAREY, James, T.
    Medford, NJ 08055 (US)

(74) Representative: ExxonMobil Chemical Europe Inc. 
IP Law Europe Hermeslaan 2
1831 Machelen
1831 Machelen (BE)

   


(54) METHOD FOR CONTROLLING ELECTRICAL CONDUCTIVITY OF LUBRICATING OILS IN ELECTRIC VEHICLE POWERTRAINS