(19)

(11)

EP 0 851 915 A2

(12)

(43) Date of publication: 08.07.1998 Bulletin 1998/28 (21) Application number: 96935853.0 (22) Date of filing: 18.09.1996

(51) International Patent Classification (IPC):  A23K 1/ 165( . ) C11D 11/ 00( . ) C11D 3/ 386( . ) C12N 9/ 42( . ) (86) International application number: PCT/US1996/014976 (87) International publication number: WO 1997/011165 (27.03.1997 Gazette 1997/14)

(84) Designated Contracting States: AT BE CH DE DK ES FI FR GB GR IE IT LI NL PT SE (30) Priority: 20.09.1995 US 19950530802 (71) Applicant: GENENCOR INTERNATIONAL, INC. Rochester, New York 14618 (US)	(72) Inventors: CLARKSON, Kathleen A. San Francisco, CA 94110 (US) COLLIER, Katherine D. Redwood City, CA 94062 (US) LARENAS, Edmund Moss Beach, CA 94038 (US) (74) Representative: Kiddle, Simon John, et al  Mewburn Ellis, York House, 23 Kingsway London WC2B 6HP London WC2B 6HP (GB)