(19)
(11) EP 0 615 564 A1

(12)

(43) Date of publication:
21.09.1994 Bulletin 1994/38

(21) Application number: 92924742.0

(22) Date of filing: 07.12.1992
(51) International Patent Classification (IPC): 
C12S 3/ 08( . )
D21C 5/ 00( . )
 C12N 9/ 24( . )
D21C 9/ 10( . )
(86) International application number:
PCT/FI1992/000332
(87) International publication number:
WO 1993/011296 (10.06.1993 Gazette 1993/14)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE

(30) Priority: 05.12.1991 FI 19910005755

(71) Applicant: VALTION TEKNILLINEN TUTKIMUSKESKUS
SF-02151 Espoo (FI)

(72) Inventors:
  • BUCHERT, Johanna
    SF-02160 Espoo (FI)
  • SIIKA-AHO, Matti
    SF-00800 Helsinki (FI)
  • RÄTTÖ, Marjaana
    SF-01690 Vantaa (FI)
  • VIIKARI, Liisa
    SF-00200 Helsinki (FI)
  • BAILEY, Michael
    SF-02600 Espoo (FI)

(74) Representative: Sexton, Jane Helen 
J.A. KEMP & CO. 14 South Square Gray's Inn
London WC1R 5LX
London WC1R 5LX (GB)

   


(54) METHOD AND ENZYMATIC PREPARATION FOR TREATMENT OF CELLULOSE PULPS