(19)
(11) EP 1 237 960 A1

(12)

(43) Date of publication:
11.09.2002 Bulletin 2002/37

(21) Application number: 00978386.1

(22) Date of filing: 03.11.2000
(51) International Patent Classification (IPC)7: C08F 36/04, C08F 4/70
(86) International application number:
PCT/US0030/498
(87) International publication number:
WO 0103/2724 (10.05.2001 Gazette 2001/19)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR

(30) Priority: 05.11.1999 US 434627
05.11.1999 US 434669

(71) Applicants:
  • Bridgestone Corporation
    Tokyo 104 (JP)
  • Luo, Steven
    Akron, OH 44313 (US)
  • Hilton, Ashley
    Massillon, OH 44646 (US)

(72) Inventors:
  • LUO, Steven
    Akron, OH 44313 (US)
  • HILTON, Ashley
    Massillon, OH 44646 (US)

(74) Representative: Albrecht, Thomas, Dr. 
Kraus & Weisert,Thomas-Wimmer-Ring 15
80539 München
80539 München (DE)

   


(54) IRON-BASED CATALYST FOR PRODUCING OLIGOMERS OF CONJUGATED DIENES