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(11)

EP 2 534 296 A1

(12)

(43) Date of publication: 19.12.2012 Bulletin 2012/51 (21) Application number: 11703872.9 (22) Date of filing: 14.02.2011

(51) International Patent Classification (IPC):  D21C 9/10(2006.01) D21C 9/16(2006.01) D21C 9/14(2006.01) (86) International application number: PCT/EP2011/052129 (87) International publication number: WO 2011/098599 (18.08.2011 Gazette 2011/33)

(84) Designated Contracting States: AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR (30) Priority: 12.02.2010 EP 10153474 (71) Applicant: Dequest AG 6300 Zug (CH)	(72) Inventors: GUILMIN, Thierry Jules B-1300 Wavre (BE) NOTTÉ, Patrick B-1300 Wavre (BE) (74) Representative: Rippel, Hans Christoph  Isenbruck Bösl Hörschler LLP Eastsite One Seckenheimer Landstrasse 4 68163 Mannheim 68163 Mannheim (DE)