(19)

(11)

EP 1 971 802 A2

(12)

(88) Date of publication A3: 16.08.2007 (43) Date of publication: 24.09.2008 Bulletin 2008/39 (21) Application number: 06847770.2 (22) Date of filing: 19.12.2006

(51) International Patent Classification (IPC):  F21V 8/00(2006.01) F21S 19/00(2006.01) G02B 6/00(2006.01) F23D 3/02(2006.01) (86) International application number: PCT/US2006/048319 (87) International publication number: WO 2007/075613 (05.07.2007 Gazette 2007/27)

(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: 21.12.2005 US 754088 P 16.02.2006 US 355585 12.07.2006 US 485071 03.10.2006 US 542370 (71) Applicant: S.C. Johnson & Son, Inc. Racine, WI 53403 (US)	(72) Inventors: FURNER, Paul, E. Racine, WI 53406 (US) PORCHIA, Jose Greenfield, WI 53228 (US) HARRITY, Kevin Oak Creek, WI 53154 (US) (74) Representative: Ruschke, Hans Edvard  RUSCHKE HARTMANN MADGWICK & SEIDE Patent- und Rechtsanwälte Postfach 86 06 29 81633 München 81633 München (DE)