(19)

(11)

EP 0 972 214 A2

(12)

(88) Date of publication A3: 11.11.1999 (43) Date of publication: 19.01.2000 Bulletin 2000/03 (21) Application number: 99906588.1 (22) Date of filing: 05.02.1999

(51) International Patent Classification (IPC)7: G02B 1/00 (86) International application number: PCT/RU9900/030 (87) International publication number: WO 9940/458 (12.08.1999 Gazette 1999/32)

(84) Designated Contracting States: BE DE ES FR GB GR IT NL SE (30) Priority: 05.02.1998 RU 98102087 (71) Applicants: Slipchenko, Nikolai Nikolaevich Moscow, 103055 (RU) Mikhailenko, Sergei Anatolievich Moskovskaya obl., 143000 (RU)

(72) Inventors: SLIPCHENKO, Nikolai Nikolaevich Moscow, 103055 (RU) MIKHAILENKO, Sergei Anatolievich Moskovskaya obl., 143000 (RU) KAZAKOV, Alexandr Sergeevich Moscow, 125080 (RU) KRIMSKI, Michail Ilich Moscow, 123154 (RU) PODJUEV, Viktor Alexeevich Moscow, 109337 (RU) IGUMNOV, Svjatoslav Fedorovich Moscow, 113152 (RU) (74) Representative: Andrae, Steffen, Dr. et al PatentanwälteAndrae Flach Haug,Balanstrasse 55 81541 München 81541 München (DE)