(19)

(11)

EP 1 716 288 A1

(12)

(43) Date of publication: 02.11.2006 Bulletin 2006/44 (21) Application number: 05704796.1 (22) Date of filing: 03.02.2005

(51) International Patent Classification (IPC):  D21H 11/20(2006.01) D21C 9/00(2006.01) D21H 17/25(2006.01) (86) International application number: PCT/SE2005/000136 (87) International publication number: WO 2005/080678 (01.09.2005 Gazette 2005/35)

(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 (30) Priority: 20.02.2004 SE 0400396 (71) Applicant: STFI, Skogsindustrins Tekniska Forskningsinstitut; AB 114 86 Stockholm (SE)	(72) Inventor: LINDSTRÖM, Tom S-192 72 Sollentuna (SE) (74) Representative: Agvald-Glas, Kerstin Gunilla  Zacco Sweden AB Patent Department Sveavägen 151 104 35 Stockholm 104 35 Stockholm (SE)