(19)
(11) EP 1 294 777 A2

(12)

(88) Date of publication A3:
08.08.2002

(43) Date of publication:
26.03.2003 Bulletin 2003/13

(21) Application number: 01963715.6

(22) Date of filing: 21.06.2001
(51) International Patent Classification (IPC)7C08F 8/00
(86) International application number:
PCT/US0119/880
(87) International publication number:
WO 0109/8440 (27.12.2001 Gazette 2001/52)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 22.06.2000 US 213281 P

(71) Applicant: THE LUBRIZOL CORPORATION
Wickliffe,Ohio 44092-2298 (US)

(72) Inventors:
  • LANGE, Richard, M.
    Euclid, OH 44123 (US)
  • BARTLEY, Stuart, L.
    Wickliffe, OH 44092 (US)
  • VARGO, Daniel, M.
    Concord, OH 44077 (US)

(74) Representative: Crisp, David Norman et al
D. YOUNG & CO.21 New Fetter Lane
London EC4A 1DA
London EC4A 1DA (GB)

   


(54) DISPERSANT/VISCOSITY IMPROVERS FOR LUBRICATING OIL AND FUELS