(19)

(11)

EP 1 340 117 A2

(12)

(88) Date of publication A3: 16.01.2003 (43) Date of publication: 03.09.2003 Bulletin 2003/36 (21) Application number: 01995377.7 (22) Date of filing: 05.12.2001

(51) International Patent Classification (IPC)7: G02F 1/13363 (86) International application number: PCT/US0146/675 (87) International publication number: WO 0204/6836 (13.06.2002 Gazette 2002/24)

(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: 06.12.2000 RU 2000130482 04.12.2001 US 6166 (71) Applicant: Optiva, Inc. South San FranciscoCA 94080 (US)	(72) Inventor: LAZAREV, Pavel, I. Belmont, CA 94002 (US) (74) Representative: Allard, Susan Joyce et al BOULT WADE TENNANT,Verulam Gardens70 Gray's Inn Road London WC1X 8BT London WC1X 8BT (GB)