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(11)

EP 1 794 498 A2

(12)

(88) Date of publication A3: 12.10.2006 (43) Date of publication: 13.06.2007 Bulletin 2007/24 (21) Application number: 05811056.0 (22) Date of filing: 09.09.2005

(51) International Patent Classification (IPC):  F23D 3/16(2006.01) F23D 3/18(2006.01) F23D 3/24(2006.01) (86) International application number: PCT/US2005/032266 (87) International publication number: WO 2006/031669 (23.03.2006 Gazette 2006/12)

(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: 10.09.2004 US 938434 01.11.2004 US 978744 06.05.2005 US 123809 06.05.2005 US 123461 06.05.2005 US 123372 06.05.2005 US 124313 (71) Applicant: S.C.JOHNSON & SON, INC. Racine, WI 53403-2236 (US)

(72) Inventors: KUBICEK, Chris, A. East Troy, Wisconsin 53120 (US) NELSON, Cory, J. Racine, Wisconsin 53405 (US) MONTEI, Matthew, S. Racine, Wisconsin 53402 (US) GRAY, Robert, G. Brantford, Ontario N3R 6R1 (CA) SZYMCZAK, Thomas, J. Franksville, Wisconsin 53126 (US) JAMESON, Elizabeth, J. Racine, Wisconsin 53404 (US) TENHAGEN, Georgia, A. Racine, Wisconsin 53406 (US) DAVIS, Gerald, M. Racine, Wisconsin 53406 (US) (74) Representative: Ruschke, Hans Edvard  RUSCHKE HARTMANN MADGWICK & SEIDE Patent- und Rechtsanwälte Postfach 86 06 29 81633 München 81633 München (DE)