(19)
(11) EP 1 232 117 A1

(12)

(43) Date of publication:
21.08.2002 Bulletin 2002/34

(21) Application number: 00978787.0

(22) Date of filing: 17.11.2000
(51) International Patent Classification (IPC)7C01F 17/00, C07F 5/00
(86) International application number:
PCT/US0031/706
(87) International publication number:
WO 0103/6332 (25.05.2001 Gazette 2001/21)
(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: 17.11.1999 US 165955 P

(71) Applicant: CABOT CORPORATION
Boston, Massachusetts 02210-2019 (US)

(72) Inventors:
  • HUNG, Cheng-Hung
    Champaign, IL 61822 (US)
  • SMITH, Joseph, D.
    Tuscola, IL 61953 (US)
  • FOTOU, George P.
    Champaign, IL 61822 (US)
  • KOEHLERT, Kenneth, C.
    Carlisle, MA 01741 (US)

(74) Representative: Trueman, Lucy Petra 
Barker Brettell,138 Hagley Road,Edgbaston
Birmingham B16 9PW
Birmingham B16 9PW (GB)

   


(54) CERIA COMPOSITION AND PROCESS FOR PREPARING SAME