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(11)

EP 1 759 061 A1

(12)

(43) Date of publication: 07.03.2007 Bulletin 2007/10 (21) Application number: 05716817.1 (22) Date of filing: 25.02.2005

(51) International Patent Classification (IPC):  D21H 25/18(2006.01) (86) International application number: PCT/EP2005/050827 (87) International publication number: WO 2005/083176 (09.09.2005 Gazette 2005/36)

(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: 27.02.2004 EP 04100790 (71) Applicant: CONSERVACION DE SUSTRATOS CELULOSICOS S.L. 08029 Barcelona (ES)	(72) Inventors: WÄCHTER, Wolfgang 04317 LEIPZIG (DE) SOLIS, Juan E-08035 BARCELONA (ES) (74) Representative: Mross, Stefan P.M. et al Solvay S.A. Departement Propriété Industrielle 310, rue de Ransbeek 1120 Bruxelles 1120 Bruxelles (BE)