(19)

(11)

EP 1 611 157 A2

(12)

(88) Date of publication A3: 27.01.2005 (43) Date of publication: 04.01.2006 Bulletin 2006/01 (21) Application number: 04750005.3 (22) Date of filing: 07.04.2004

(51) International Patent Classification (IPC):  C08B 11/20(1968.09) C11D 3/22(1985.01) C08B 37/00(1974.07) (86) International application number: PCT/US2004/011166 (87) International publication number: WO 2004/091557 (28.10.2004 Gazette 2004/44)

(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 Designated Extension States: AL HR LT LV MK (30) Priority: 09.04.2003 US 461866 P (71) Applicant: HERCULES INCORPORATED Wilmington, Delaware 19894-0001 (US)	(72) Inventors: ERAZO-MAJEWIC, Paquita Newark, DE 19711 (US) MODI, Jashawant J. Hockessin, DE 19707 (US) XU, Zu-Feng Newark, DE 19711 (US) (74) Representative: HOFFMANN EITLE  Patent- und Rechtsanwälte Arabellastrasse 4 D-81925 München D-81925 München (DE)