(19)

(11)

EP 0 700 473 A1

(12)

(43) Date of publication: 13.03.1996 Bulletin 1996/11 (21) Application number: 93902274.0 (22) Date of filing: 20.01.1993

(51) International Patent Classification (IPC):  D21H( . ) D21H 17/ 37( . ) D21H 17/ 55( . ) D21H 17/ 63( . ) D21H 17/ 66( . ) D21H 23/ 14( . ) D21H 17/ 44( . ) D21H 17/ 45( . ) D21H 17/ 56( . ) D21H 17/ 65( . ) D21H 21/ 10( . ) (86) International application number: PCT/FI1993/000019 (87) International publication number: WO 1993/014263 (22.07.1993 Gazette 1993/18)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 20.01.1992 FI 19920000246 (71) Applicant: KEMIRA OY SF-02271 Espoo (FI)	(72) Inventors: PETANDER, Lars, Harald SF-65100 Vaasa (FI) DUVNÄS, Tore, Anders, Johan SF-66640 Maksamaa (FI) (74) Representative: Sexton, Jane Helen  J.A. KEMP & CO. 14 South Square Gray's Inn London WC1R 5LX London WC1R 5LX (GB)