(19)

(11)

EP 1 682 720 A2

(12)

(88) Date of publication A3: 09.02.2006 (43) Date of publication: 26.07.2006 Bulletin 2006/30 (21) Application number: 04817498.1 (22) Date of filing: 29.10.2004

(51) International Patent Classification (IPC):  D21H 11/12(2006.01) (86) International application number: PCT/US2004/036232 (87) International publication number: WO 2005/042631 (12.05.2005 Gazette 2005/19)

(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: 29.10.2003 US 515480 P (71) Applicant: HOLLINGSWORTH & VOSE COMPANY East Walpole, MA 02032 (US)	(72) Inventors: CHOI, Wai, Ming West Newton, MA 02465 (US) YU, Howard Northborough, MA 01532 (US) (74) Representative: Casey, Lindsay Joseph et al F. R. Kelly & Co. 27 Clyde Road Ballsbridge Dublin 4 Dublin 4 (IE)