(19)

(11)

EP 2 593 604 A1

(12)

(43) Date of publication: 22.05.2013 Bulletin 2013/21 (21) Application number: 11730659.7 (22) Date of filing: 08.07.2011

(51) International Patent Classification (IPC):  D21H 21/16(2006.01) (86) International application number: PCT/EP2011/061572 (87) International publication number: WO 2012/007364 (19.01.2012 Gazette 2012/03)

(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: 13.07.2010 US 363722 P 13.07.2010 EP 10169359 (71) Applicant: Chemische Fabrik Brühl Mare GmbH 50321 Brühl (DE)	(72) Inventor: KRÜCKEL, Ralf 52379 Langerwehe (DE) (74) Representative: von Kreisler Selting Werner  Deichmannhaus am Dom Bahnhofsvorplatz 1 50667 Köln 50667 Köln (DE)