(19)
(11) EP 3 519 538 A1

(12)

(43) Date of publication:
07.08.2019 Bulletin 2019/32

(21) Application number: 17777580.6

(22) Date of filing: 29.09.2017
(51) International Patent Classification (IPC): 
C10L 10/00(2006.01)
C10L 1/16(2006.01)
(86) International application number:
PCT/EP2017/074884
(87) International publication number:
WO 2018/065331 (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: 03.10.2016 US 201662403320 P

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

(72) Inventors:
  • CRACKNELL, Roger, Francis
    Manchester Manchester M220RR (GB)
  • ARADI, Allen, Ambwere
    Katy, Texas 77494 (US)

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

   


(54) METHOD OF IMPROVING THE OXIDATIVE STABILITY OF A LUBRICATING COMPOSITION