(19)

(11)

EP 2 480 408 A1

(12)

(43) Date of publication: 01.08.2012 Bulletin 2012/31 (21) Application number: 10819437.4 (22) Date of filing: 23.09.2010

(51) International Patent Classification (IPC):  B32B 5/22(2006.01) B32B 5/28(2006.01) (86) International application number: PCT/US2010/049951 (87) International publication number: WO 2011/038084 (31.03.2011 Gazette 2011/13)

(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 SE SI SK SM TR (30) Priority: 23.09.2009 US 245076 P 22.09.2010 US 887943 (71) Applicant: Filtrona Porous Technologies Corp. Colonial Heights VA 23834 (US)	(72) Inventors: JAYAKODY, Chandrasiri Saginaw MI 48603 (US) KIMMITZ, Alison, J. Ashland VA 23005 (US) STOLTZ, Geoffrey, M. Chester VA 23831 (US) BANNAN, Chad, M. St. Charles MI 48655 (US) (74) Representative: Bankes, Stephen Charles Digby et al Baron Warren Redfern Cambridge House 100 Cambridge Grove Hammersmith London W6 0LE London W6 0LE (GB)