(19)

(11)

EP 1 287 340 A1

(12)

(43) Date of publication: 05.03.2003 Bulletin 2003/10 (21) Application number: 00939674.8 (22) Date of filing: 08.06.2000

(51) International Patent Classification (IPC)7: G01N 21/88, G02B 23/24 (86) International application number: PCT/US0015/740 (87) International publication number: WO 0109/4922 (13.12.2001 Gazette 2001/50)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (71) Applicant: Materials Technologies Corporation Monroe, CT 06468 (US)	(72) Inventors: PIKE, John, Nazarian Pleasantville, NY 10570 (US) MEHROTRA, Yogesh Monroe, CT 06468 (US) KAPLAN, Herbert Norwalk, CT 06855 (US) (74) Representative: Heusch, Christian et al c/o OK pat AG,Chamerstrasse 50 6300 Zug 6300 Zug (CH)