(19)

(11)

EP 2 220 453 A1

(12)

(43) Date of publication: 25.08.2010 Bulletin 2010/34 (21) Application number: 08771100.8 (22) Date of filing: 13.06.2008

(51) International Patent Classification (IPC):  F28F 3/12(2006.01) F28F 3/00(2006.01) (86) International application number: PCT/US2008/067008 (87) International publication number: WO 2009/082504 (02.07.2009 Gazette 2009/27)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MT NL NO PL PT RO SE SI SK TR Designated Extension States: AL BA MK RS (30) Priority: 21.12.2007 US 16247 05.03.2008 US 34148 (71) Applicant: Doty Scientific Inc. Columbia, SC 29229 (US)	(72) Inventor: DOTY, F, David Columbia, South Carolina 29229 (US) (74) Representative: Frei Patent Attorneys  Frei Patentanwaltsbüro AG Postfach 1771 8032 Zürich 8032 Zürich (CH)