(19)

(11)

EP 1 981 614 A2

(12)

(88) Date of publication A3: 03.01.2008 (43) Date of publication: 22.10.2008 Bulletin 2008/43 (21) Application number: 07718313.5 (22) Date of filing: 17.01.2007

(51) International Patent Classification (IPC):  B01D 47/00(2006.01) (86) International application number: PCT/US2007/001166 (87) International publication number: WO 2007/084520 (26.07.2007 Gazette 2007/30)

(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 NL PL PT RO SE SI SK TR (30) Priority: 18.01.2006 US 759943 P 19.01.2006 US 760424 P 12.01.2007 US 653473 (71) Applicant: Comrie, Douglas C. Port Clinton, OH 43452 (US)	(72) Inventor: Comrie, Douglas C. Port Clinton, OH 43452 (US) (74) Representative: Edlund, Fabian  AWAPATENT AB P.O. Box 11 394 404 28 Göteborg 404 28 Göteborg (SE)