(19)

(11)

EP 1 109 954 A1

(12)

(43) Date of publication: 27.06.2001 Bulletin 2001/26 (21) Application number: 00900982.0 (22) Date of filing: 03.01.2000

(51) International Patent Classification (IPC)7: C25F 3/00 (86) International application number: PCT/US0000/048 (87) International publication number: WO 0040/785 (13.07.2000 Gazette 2000/28)

(84) Designated Contracting States: AT BE CH CY DE DK ES FI FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 08.01.1999 US 226980 (71) Applicant: POLAROID CORPORATION Cambridge,Massachusetts 02139 (US)	(72) Inventors: KING, Patrick, F. Glen Ellyn, IL 60137 (US) ROXBY, Donald, L. Gurley, AL 35748 (US) (74) Representative: Weatherald, Keith Baynes  Castles,17 Lansdowne Road Croydon,Surrey CR0 2BX Croydon,Surrey CR0 2BX (GB)