(19)
(11) EP 1 208 145 A2

(12)

(88) Date of publication A3:
07.03.2002

(43) Date of publication:
29.05.2002 Bulletin 2002/22

(21) Application number: 00956405.5

(22) Date of filing: 07.08.2000
(51) International Patent Classification (IPC)7: C08K 5/00
(86) International application number:
PCT/EP0007/634
(87) International publication number:
WO 0110/946 (15.02.2001 Gazette 2001/07)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 10.08.1999 US 148196 P

(71) Applicants:
  • Bayer Inc.
    Sarnia, ON N7T 7M2 (CA)
  • Bayer Aktiengesellschaft
    51368 Leverkusen (DE)

(72) Inventors:
  • WENDLING, Peter
    D-51375 Leverkusen (DE)
  • PETER, Rolf
    D-41539 Dormagen (DE)
  • KOSKI, Ahti, August
    Wilkesport, Ontario N0P 2R0 (CA)

(74) Representative: Feldhues, Michael L.F., Dr. 
Bayer Aktiengesellschaft,Konzernbereich RP,Patente und Lizenzen
51368 Leverkusen
51368 Leverkusen (DE)

   


(54) PROCESS FOR PREPARATION OF RUBBER SILICA MASTERBATCHES BASED ON THE USE OF POLYMER LATICES