(19)
(11) EP 2 328 996 A1

(12)

(43) Date of publication:
08.06.2011 Bulletin 2011/23

(21) Application number: 08797513.2

(22) Date of filing: 08.08.2008
(51) International Patent Classification (IPC): 
C10M 143/04(2006.01)
C08L 23/14(2006.01)
C10N 30/02(2006.01)
C08F 210/06(2006.01)
C10N 20/04(2006.01)
(86) International application number:
PCT/US2008/072655
(87) International publication number:
WO 2010/016847 (11.02.2010 Gazette 2010/06)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR
Designated Extension States:
AL BA MK RS

(71) Applicant: ExxonMobil Chemical Patents Inc.
Baytown, TX 77520-2101 (US)

(72) Inventors:
  • RAVISHANKAR, Periagaram, S.
    Kingwood TX 77345 (US)
  • NASS, Kirk, A.
    San Francisco CA 94131 (US)

(74) Representative: Gerstberger, Gisela 
ExxonMobil Chemical Europe Inc. IP Law Shared Services P.O. Box 105 Hermeslaan 2
1831 Machelen
1831 Machelen (BE)

   


(54) IMPROVED OLEFINIC COPOLYMER COMPOSITIONS FOR VISCOSITY MODIFICATION OF MOTOR OIL