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(11)

EP 1 461 409 A2

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(88) Date of publication A3: 04.03.2004 (43) Date of publication: 29.09.2004 Bulletin 2004/40 (21) Application number: 02793057.7 (22) Date of filing: 18.12.2002

(51) International Patent Classification (IPC)7: C11D 3/386, C11D 7/42, C12N 9/54 (86) International application number: PCT/EP2002/014448 (87) International publication number: WO 2003/054127 (03.07.2003 Gazette 2003/27)

(84) Designated Contracting States: AT BE BG CH CY CZ DE DK EE ES FI FR GB GR IE IT LI LU MC NL PT SE SI SK TR Designated Extension States: AL LT LV MK RO (30) Priority: 21.12.2001 EP 01130636 (71) Applicant: Direvo Biotech AG 50829 Köln (DE)

(72) Inventors: Kettling, Ulrichc/o Direvo Biotech AG 50829 Köln (DE) Koltermann, Andrec/o Direvo Biotech AG 50829 Köln (DE) Kensch, Oliverc/o Direvo Biotech AG 50829 Köln (DE) Kuhlemann, Renec/o Direvo Biotech AG 50829 Köln (DE) Haupts, Ulrichc/o Direvo Biotech AG 50829 Köln (DE) Rarbach, Markusc/o Direvo Biotech AG 50829 Köln (DE) Odendahl, Konradc/o Direvo Biotech AG 50829 Köln (DE) (74) Representative: Helbing, Jörg, Dr. Dipl.-Chem.  Patentanwältevon Kreisler-Selting-Werner,Postfach 10 22 41 50462 Köln 50462 Köln (DE)