(19)
(11) EP 1 265 812 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:
21.01.2004 Bulletin 2004/04

(45) Mention of the grant of the patent:
19.11.2003 Bulletin 2003/47

(21) Application number: 01900613.9

(22) Date of filing: 15.01.2001
(51) International Patent Classification (IPC)7: C01B 33/12
(86) International application number:
PCT/IL2001/000038
(87) International publication number:
WO 2001/058807 (16.08.2001 Gazette 2001/33)

(54)

A PROCESS FOR THE PREPARATION OF AMORPHOUS SILICA

VERFAHREN ZUR HERSTELLUNG VON AMORPHEN KIESELSÄUREN

PROCEDE DE PREPARATION DE SILICE AMORPHE

(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: 10.02.2000 IL 13447700

(43) Date of publication of application:
18.12.2002 Bulletin 2002/51

(73) Proprietor: Promeks AS
5110 Frekhaug (NO)

(72) Inventor:
  • SAMUEL, Joshua
    93592 Jerusalem (IL)

(74) Representative: Harrison, Ivor Stanley et al
Withers & Rogers, Goldings House, 2 Hays Lane
London SE1 2HW
London SE1 2HW (GB)


(56) References cited: : 
WO-A-97/22554
GB-A- 2 205 558
 WO-A-99/08959
   
  • DATABASE CHEMABS [Online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; MURAKAMI, TADAMITSU: "Fine powder of silica" retrieved from STN Database accession no. 81:15220 CA XP002061855 & JP 48 099097 A (MURAKAMI, TADAMITSU) 15 December 1973 (1973-12-15)
  • DATABASE CHEMABS [Online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; NOVOTNY, MILOSLAV ET AL: "Manufacture of amorphous synthetic silica" retrieved from STN Database accession no. 114:65297 CA XP002167273 & CS 266 793 B (CZECH.) 12 January 1990 (1990-01-12)
  • DATABASE CHEMABS [Online] CHEMICAL ABSTRACTS SERVICE, COLUMBUS, OHIO, US; ALMARIEI, GEORGETA ET AL: "Continuous preparation of active silicon dioxide" retrieved from STN Database accession no. 100:9432 CA XP002061886 & RO 79 356 B (COMBINATUL DE PRODUSE SODICE, GOVORA, ROM.) 25 June 1982 (1982-06-25)
   
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).