(19)
(11) EP 1 315 861 A1

(12)

(43) Date of publication:
04.06.2003 Bulletin 2003/23

(21) Application number: 01973866.5

(22) Date of filing: 05.09.2001
(51) International Patent Classification (IPC)7D21F 9/00, D21F 9/02
(86) International application number:
PCT/CA0101/260
(87) International publication number:
WO 0202/0899 (14.03.2002 Gazette 2002/11)
(84) Designated Contracting States:
AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR
Designated Extension States:
AL LT LV MK RO SI

(30) Priority: 05.09.2000 GB 0021767

(71) Applicants:
  • Buchanan, John G.
    Ottawa,Ontario K2K 2B4 (CA)
  • Pitt, Richard E.
    ALmonte,ONtario K0A 1A0 (CA)
  • Van Essen, Roy
    North Gower,Ontario K0A 2T0 (CA)

(72) Inventors:
  • Buchanan, John G.
    Ottawa,Ontario K2K 2B4 (CA)
  • Pitt, Richard E.
    ALmonte,ONtario K0A 1A0 (CA)
  • Van Essen, Roy
    North Gower,Ontario K0A 2T0 (CA)

(74) Representative: Laufhütte, Dieter, Dr.-Ing. 
Lorenz-Seidler-GosselWidenmayerstrasse 23
80538 München
80538 München (DE)

   


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