(19)
(11) EP 1 032 601 A1

(12)

(43) Date of publication:
06.09.2000 Bulletin 2000/36

(21) Application number: 97948417.7

(22) Date of filing: 18.11.1997
(51) International Patent Classification (IPC)7C08F 8/00, C08F 8/14, C08F 8/32
(86) International application number:
PCT/US9721/224
(87) International publication number:
WO 9925/744 (27.05.1999 Gazette 1999/21)
(84) Designated Contracting States:
AT BE CH DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(71) Applicant: MOBIL OIL CORPORATION (a New York corporation)
Fairfax, Virginia 22037 (US)

(72) Inventors:
  • BRANDES, Ellen, Bernice
    Princeton, NJ 08540 (US)
  • LIU, Wan-Li
    Belle Mead, NJ 08502 (US)
  • LOVELESS, Frederick, Charles
    Princeton, NJ 08540 (US)

(74) Representative: Dew, Melvyn John et al
Exxon Chemical Europe Inc.Law TechnologyP.O.Box 105
1830 Machelen
1830 Machelen (BE)

   


(54) DISPERSANTS AND DISPERSANT VISCOSITY INDEX IMPROVERS FROM SELECTIVELY HYDROGENATED POLYMERS