(19)
(11) EP 1 172 334 B8

(12) CORRECTED EUROPEAN PATENT SPECIFICATION
Note: Bibliography reflects the latest situation

(15) Correction information:
Corrected version no 1 (W1 B1)

(48) Corrigendum issued on:
01.09.2010 Bulletin 2010/35

(45) Mention of the grant of the patent:
21.04.2010 Bulletin 2010/16

(21) Application number: 00902097.5

(22) Date of filing: 04.02.2000
(51) International Patent Classification (IPC): 
C01G 9/02(2006.01)
 C01G 9/03(2006.01)
(86) International application number:
PCT/JP2000/000621
(87) International publication number:
WO 2000/046152 (10.08.2000 Gazette 2000/32)

(54)

PRODUCTION PROCESS OF AN ULTRAFINE PARTICULATE ZINC OXIDE

HERSTELLUNGSVERFAHREN VON ULTRAFEINEN ZINKOXIDTEILCHEN

PROCEDE DE PREPARATION DE PARTICULES D'OXYDE DE ZINC

(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 05.02.1999 JP 2933999
23.02.1999 US 121435 P

(43) Date of publication of application:
16.01.2002 Bulletin 2002/03

(73) Proprietor: Showa Denko K K
Tokyo 105-8518 (JP)

(72) Inventors:
  • KOGOI, Hisao, Showa Denko K.K.
    Minato-ku, Tokyo 105-8518 (JP)
  • TANAKA, Jun, Showa Denko K.K.
    Minato-ku, Tokyo 105-8518 (JP)
  • YAMAYA, Hayato, Showa Denko K.K.
    Minato-ku, Tokyo 105-8518 (JP)

(74) Representative: Bradley, Adrian et al
Cleveland 40-43 Chancery Lane
London WC2A 1JQ
London WC2A 1JQ (GB)


(56) References cited: : 
JP-A- 1 286 919
JP-A- 7 118 133
US-A- 5 560 871
 JP-A- 7 025 614
JP-A- 10 167 929
   
  • PATENT ABSTRACTS OF JAPAN vol. 017, no. 285 (C-1066), 2 June 1993 (1993-06-02) & JP 05 017143 A (MITSUI MINING & SMELTING CO LTD), 26 January 1993 (1993-01-26)
  • PATENT ABSTRACTS OF JAPAN vol. 016, no. 461 (C-0988), 25 September 1992 (1992-09-25) & JP 04 164814 A (MITSUBISHI MATERIALS CORP), 10 June 1992 (1992-06-10)
  • PATENT ABSTRACTS OF JAPAN vol. 017, no. 079 (C-1027), 17 February 1993 (1993-02-17) & JP 04 280814 A (HAYASHI KINZOKU KOUGIYOUSHIYO:KK), 6 October 1992 (1992-10-06)
 
Remarks:
The file contains technical information submitted after the application was filed and not included in this specification
 
Note: Within nine months from the publication of the mention of the grant of the European patent, any person may give notice to the European Patent Office of opposition to the European patent granted. Notice of opposition shall be filed in a written reasoned statement. It shall not be deemed to have been filed until the opposition fee has been paid. (Art. 99(1) European Patent Convention).