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(11)

EP 1 372 399 A1

(12)

(43) Date of publication: 02.01.2004 Bulletin 2004/01 (21) Application number: 01924417.7 (22) Date of filing: 28.03.2001

(51) International Patent Classification (IPC)7: A01N 65/00, A01N 61/00, A01N 35/08, C02F 1/50 (86) International application number: PCT/US2001/010005 (87) International publication number: WO 2002/078450 (10.10.2002 Gazette 2002/41)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE TR Designated Extension States: AL LT LV MK RO SI (71) Applicant: HERCULES INCORPORATED Wilmington,Delaware 19894-0001 (US)	(72) Inventors: BREEN, Alexander, W. Jacksonville, FL 32224 (US) CRONAN, John, M., Jr. Jacksonville, FL 32258 (US) DAVIS, Philip, S., Davis Jacksonville, FL 32256 (US) MAYER, Michael, J. Jacksonville, FL 32259 (US) SINGLETON, Freddie, L. Jacksonville, FL 32259 (US) (74) Representative: HOFFMANN - EITLE  Patent- und RechtsanwälteArabellastrasse 4 81925 München 81925 München (DE)