(19)

(11)

EP 2 113 044 A1

(12)

(43) Date of publication: 04.11.2009 Bulletin 2009/45 (21) Application number: 08709132.8 (22) Date of filing: 20.02.2008

(51) International Patent Classification (IPC):  D21C 9/10(2006.01) D21C 9/16(2006.01) (86) International application number: PCT/EP2008/052056 (87) International publication number: WO 2008/101952 (28.08.2008 Gazette 2008/35)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR (30) Priority: 21.02.2007 EP 07102769 (71) Applicant: SOLVAY (Société Anonyme) 1050 Bruxelles (BE)	(72) Inventor: SECCOMBE, Rodney B-1560 Hoeilaart (BE) (74) Representative: Vande Gucht, Anne et al Solvay S.A. Département de la Propriété Industrielle, Rue de Ransbeek, 310 1120 Bruxelles 1120 Bruxelles (BE)