(19)
(11) EP 1 183 219 A1

(12)

(43) Date of publication:
06.03.2002 Bulletin 2002/10

(21) Application number: 00914211.8

(22) Date of filing: 24.03.2000
(51) International Patent Classification (IPC)7C04B 41/50
(86) International application number:
PCT/FI0000/243
(87) International publication number:
WO 0058/236 (05.10.2000 Gazette 2000/40)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 25.03.1999 FI 990661
05.10.1999 FI 992140

(71) Applicant: No-Pintatekniikka Oy
02700 Kauniainen (FI)

(72) Inventors:
  • KAIPAINEN, Veijo
    FIN-02320 Espoo (FI)
  • OLLILA, Seija
    FIN-02210 Espoo (FI)

(74) Representative: Vastavuo, Juhani Veli et al
Oy Heinänen Ab, Patent Agency, Annankatu 31-33 C
00100 Helsinki
00100 Helsinki (FI)

   


(54) METHOD OF TREATING CERAMIC MATERIALS AND NATURAL MINERALS AND USE OF QUARTZ AND SILICATE-LIKE MATERIAL IN THE METHOD