(19)

(11)

EP 1 356 346 A2

(12)

(88) Date of publication A3: 07.08.2003 (43) Date of publication: 29.10.2003 Bulletin 2003/44 (21) Application number: 01968713.6 (22) Date of filing: 07.09.2001

(51) International Patent Classification (IPC)7: G02F 1/167 (86) International application number: PCT/US0128/189 (87) International publication number: WO 0202/1201 (14.03.2002 Gazette 2002/11)

(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 (30) Priority: 08.09.2000 US 658030 (71) Applicant: CABOT CORPORATION Boston, Massachusetts 02210-2019 (US)	(72) Inventors: GALLOWAY, Collin, P. Nashua, NH 03062 (US) HONEYMAN, Charles, H. Allston, MA 02134 (US) (74) Representative: Grünecker, Kinkeldey, Stockmair & SchwanhäusserAnwaltssozietät  Maximilianstrasse 58 80538 München 80538 München (DE)