(19)
(11) EP 1 425 357 A1

(12)

(43) Date of publication:
09.06.2004 Bulletin 2004/24

(21) Application number: 02797709.9

(22) Date of filing: 03.09.2002
(51) International Patent Classification (IPC)7C09G 1/02
(86) International application number:
PCT/JP2002/008925
(87) International publication number:
WO 2003/020839 (13.03.2003 Gazette 2003/11)
(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 SK TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 03.09.2001 JP 2002266315
10.09.2001 US 317962 P
08.05.2002 JP 2002132738

(71) Applicants:
  • SHOWA DENKO K.K.
    Tokyo 105-8518 (JP)
  • Yamaguchi Seiken Kogyo K.K.
    Nagoya-shi,Aichi 458-0801 (JP)

(72) Inventors:
  • MIYATA, Norihiko
    Shiojiri-shi,Nagano 399-6461 (JP)
  • HONG, Gong-Hong,Yamaguchi Seiken Kogyo K.K.
    Nagoya-shi,Aichi 458-0801 (JP)
  • ANDO, Junichiro,Yamaguchi Seiken Kogyo K.K.
    Nagoya-shi,Aichi 458-0801 (JP)

(74) Representative: Strehl Schübel-Hopf & Partner 
Maximilianstrasse 54
80538 München
80538 München (DE)

   


(54) POLISHING COMPOSITION