(19)
(11) EP 1 456 313 A1

(12)

(43) Date of publication:
15.09.2004 Bulletin 2004/38

(21) Application number: 02805494.8

(22) Date of filing: 05.12.2002
(51) International Patent Classification (IPC)7C09G 1/02, C01B 33/159, C08K 9/02
(86) International application number:
PCT/SE2002/002238
(87) International publication number:
WO 2003/054096 (03.07.2003 Gazette 2003/27)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR
Designated Extension States:
AL LT LV MK RO

(30) Priority: 20.12.2001 EP 01850222

(71) Applicants:
  • AKZO Nobel N.V.
    6800 SB Arnhem (NL)
  • Eka Chemicals AB
    445 80 Bohus (SE)

    SE 

(72) Inventors:
  • TOKARZ, Bozena, Stanislawa
    S-442 39 KUNGÄLV (SE)
  • LARSSON, Kenneth, Olof
    S-412 61 Göteborg (SE)

(74) Representative: Vikholm, Tommy 
Eka Chemicals AB,Patent Department,P.O. Box 11556
100 61 Stockholm
100 61 Stockholm (SE)

   


(54) CERIUM OXIDE COATED SILICA PARTICLES AND METHOD FOR PRODUCTION THEREOF