(19)

(11)

EP 1 157 164 A1

(12)

(43) Date of publication: 28.11.2001 Bulletin 2001/48 (21) Application number: 99971878.6 (22) Date of filing: 25.10.1999

(51) International Patent Classification (IPC)7: D21F 9/00 (86) International application number: PCT/US9924/729 (87) International publication number: WO 0028/139 (18.05.2000 Gazette 2000/20)

(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: 10.11.1998 RU 98120377 (71) Applicant: Pragmatic Vision, Inc. Boston, MA 02114 (US)	(72) Inventor: DROBOSYUK, Viktor Mikhailovich St. Petersburg, 198207 (RU) (74) Representative: Feldkamp, Rainer, Dipl.-Ing. et al Garmischer Strasse 4 80339 München 80339 München (DE)