(19)
(11) EP 0 900 300 A1

(12)

(43) Date of publication:
10.03.1999 Bulletin 1999/10

(21) Application number: 97923942.0

(22) Date of filing: 20.05.1997
(51) International Patent Classification (IPC): 
B01J 31/ 16( . )
B01J 31/ 22( . )
D21C 9/ 16( . )
 B01J 31/ 18( . )
D21C 9/ 10( . )
(86) International application number:
PCT/EP1997/002557
(87) International publication number:
WO 1997/044520 (27.11.1997 Gazette 1997/51)
(84) Designated Contracting States:
DE ES FI FR PT SE

(30) Priority: 20.05.1996 DE 19961020241

(71) Applicant: Patt, Rudolf
21465 Reinbek (DE)

(72) Inventors:
  • PATT, Rudolf
    D-21465 Reinbek (DE)
  • MIELISCH, Hans-Jürgen
    D-22299 Hamburg (DE)
  • ODERMATT, Jürgen
    D-21465 Reinbek (DE)
  • WIEGHARDT, K.
    D-45470 Mülheim an der Ruhr (DE)
  • WEYERMÜLLER, Thomas
    D-45470 Mülheim an der Ruhr (DE)

(74) Representative: Wurm, Maria Bernadette, Dr. 
Vorhaller Strasse 11
58089 Hagen
58089 Hagen (DE)

   


(54) A METHOD FOR THE DELIGNIFICATION OF FIBROUS MATERIAL AND USE OF A CATALYST