(19)

(11)

EP 2 035 537 A1

(12)

(43) Date of publication: 18.03.2009 Bulletin 2009/12 (21) Application number: 07748179.4 (22) Date of filing: 28.05.2007

(51) International Patent Classification (IPC):  C11D 17/04(2006.01) A47L 15/00(2006.01) B08B 9/38(2006.01) (86) International application number: PCT/SE2007/000515 (87) International publication number: WO 2007/139472 (06.12.2007 Gazette 2007/49)

(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 LV MC MT NL PL PT RO SE SI SK TR Designated Extension States: AL BA HR MK RS (30) Priority: 26.05.2006 SE 0601157 (71) Applicant: GS DEVELOPMENT AB 213 75 Malmö (SE)	(72) Inventors: HÅKANSSON, Håkan S-224 56 Lund (SE) SANDBERG, Per S-237 35 Bjärred (SE) (74) Representative: Karlsson, Leif Gunnar Börje  Ström & Gulliksson AB P.O. Box 4188 203 13 Malmö 203 13 Malmö (SE)