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(11)

EP 1 735 378 A1

(12)

(43) Date of publication: 27.12.2006 Bulletin 2006/52 (21) Application number: 04821857.2 (22) Date of filing: 17.03.2004

(51) International Patent Classification (IPC):  C08L 5/02(2006.01) (86) International application number: PCT/US2004/008210 (87) International publication number: WO 2005/095507 (13.10.2005 Gazette 2005/41)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HU IE IT LI LU MC NL PL PT RO SE SI SK TR (71) Applicant: Ciphergen Biosystems, Inc. Fremont, CA 94555 (US)	(72) Inventors: HUANG, Wenxi Fremont, CA 94539 (US) UM, Pil-Je Pittsburg, CA 94565 (US) (74) Representative: Lahrtz, Fritz et al Isenbruck Bösl Hörschler Wichmann Huhn, Patentattorneys, Prinzregentenstrasse 68 81675 München 81675 München (DE)