(19)

(11)

EP 1 715 963 A1

(12)

(43) Date of publication: 02.11.2006 Bulletin 2006/44 (21) Application number: 05707263.9 (22) Date of filing: 08.02.2005

(51) International Patent Classification (IPC):  B07C 3/08(2006.01) (86) International application number: PCT/EP2005/001261 (87) International publication number: WO 2005/075116 (18.08.2005 Gazette 2005/33)

(84) Designated Contracting States: BE DE FR GB IT (30) Priority: 09.02.2004 US 542295 P (71) Applicant: SIEMENS AKTIENGESELLSCHAFT 80333 München (DE)	(72) Inventor: ZIMMERMANN, Armin 78464 Konstanz (DE) (74) Representative: Fischer, Michael et al Siemens AG, Postfach 22 16 34 80506 München 80506 München (DE)