(19)
(11)EP 0 586 456 A1

(12)

(43)Date of publication:
16.03.1994 Bulletin 1994/11

(21)Application number: 92910672.0

(22)Date of filing:  22.05.1992
(51)International Patent Classification (IPC): 
B01J 19/ 08( . )
C25D 21/ 04( . )
B01J 19/ 16( . )
(86)International application number:
PCT/FI1992/000160
(87)International publication number:
WO 1992/020443 (26.11.1992 Gazette  1992/29)
(84)Designated Contracting States:
AT BE CH DE DK ES FR GB GR IT LI LU MC NL SE

(30)Priority: 22.05.1991 FI 19910002488

(71)Applicant: ION BLAST LTD.
SF-01740 Vaantaa (FI)

(72)Inventor:
  • ILMASTI, Veikko
    SF-00640 Helsinki (FI)

(74)Representative: Örtenblad, Bertil Tore 
Noréns Patentbyra AB Box 27034
S-102 51 Stockholm
S-102 51 Stockholm (SE)

  


(54)METHOD FOR PREVENTING EVAPORATION OF A LIQUID FROM A BASIN AND SPREADING OF PARTICULATE MATERIAL CARRIED BY VAPOR DROPS TO THE SURROUNDINGS