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EP 2 528 752 A1

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(43) Date of publication: 05.12.2012 Bulletin 2012/49 (21) Application number: 11737371.2 (22) Date of filing: 28.01.2011

(51) International Patent Classification (IPC):  B44C 5/04(2006.01) D21H 17/67(2006.01) D21H 27/28(2006.01) E04F 15/10(2006.01) B32B 27/04(2006.01) D21H 19/38(2006.01) E04C 2/26(2006.01) (86) International application number: PCT/SE2011/050092 (87) International publication number: WO 2011/093785 (04.08.2011 Gazette 2011/31)

(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: 29.01.2010 SE 1050095 (71) Applicant: Välinge Photocatalytic AB 263 65 Viken (SE)	(72) Inventors: ZIEGLER, Göran S-260 40 Viken (SE) JENSEN, Henrik DK-3650 Ølstykke (DK) REENBERG, Theis DK-2200 København (DK) (74) Representative: Westeman, Maria et al Välinge Innovation AB Prästavägen 513 SE-263 65 Viken SE-263 65 Viken (SE)