(19)
(11) EP 1 853 529 A1

(12)

(43) Date of publication:
14.11.2007 Bulletin 2007/46

(21) Application number: 05714448.7

(22) Date of filing: 16.02.2005
(51) International Patent Classification (IPC): 
C04B 28/00(2006.01)
C04B 28/08(2006.01)
C03C 8/14(2006.01)
C01B 33/08(2006.01)
A62D 3/00(2007.01)
 C04B 28/04(2006.01)
C04B 18/04(2006.01)
C01F 11/22(2006.01)
C01B 7/20(2006.01)
(86) International application number:
PCT/CA2005/000199
(87) International publication number:
WO 2006/086868 (24.08.2006 Gazette 2006/34)
(84) Designated Contracting States:
AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IS IT LI LT LU MC NL PL PT RO SE SI SK TR

(71) Applicant: Novafrit International Inc.
Ste-Catherine QC J0L 1E0 (CA)

(72) Inventors:
  • GENDRON, Guy
    St-Constant, Quebec J5A 1S4 (CA)
  • GOSSELIN, André
    Montréal, Quebec H2J 3Y3 (CA)
  • HILLARD, Dimitri
    Montréal, Quebec H4W 2T7 (CA)
  • LAVIGNE, Pierre
    Rosemère, Quebec J7A 4S9 (CA)

(74) Representative: Brosch, Oliver et al
Kutzenberger & Wolff Theodor-Heuss-Ring 23
50668 Köln
50668 Köln (DE)

   


(54) PROCESS AND APPARATUS FOR CONVERTING SPENT POTLINERS INTO A GLASS FRIT, AND RESULTING PRODUCTS