(19)

(11)

EP 1 756 363 A1

(12)

(43) Date of publication: 28.02.2007 Bulletin 2007/09 (21) Application number: 05733443.5 (22) Date of filing: 14.04.2005

(51) International Patent Classification (IPC):  D21H 17/67(2006.01) (86) International application number: PCT/EP2005/051660 (87) International publication number: WO 2005/100690 (27.10.2005 Gazette 2005/43)

(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: 16.04.2004 EP 04101574 (71) Applicant: SOLVAY (SOCIETE ANONYME) 1050 Bruxelles (BE)	(72) Inventor: BALL, Mike B-1410 Waterloo (BE) (74) Representative: Vande Gucht, Anne et al Solvay (Société Anonyme) Intellectual Property Department Rue de Ransbeek, 310 1120 Bruxelles 1120 Bruxelles (BE)