(19)

(11)

EP 1 066 218 A1

(12)

(43) Date of publication: 10.01.2001 Bulletin 2001/02 (21) Application number: 98911995.3 (22) Date of filing: 25.03.1998

(51) International Patent Classification (IPC)7: C01B 13/11, B01J 19/12, A62D 3/00 (86) International application number: PCT/US9805/752 (87) International publication number: WO 9948/806 (30.09.1999 Gazette 1999/39)

(84) Designated Contracting States: DE FR GB (71) Applicant: Maxwell Technologies Systems Division, Inc. San Diego, CA 92123-4303 (US)	(72) Inventors: WONG, Sik-Lam San Leandro, CA 94579 (US) SHEA, James, Howard Castro Valley, CA 94552 (US) (74) Representative: Klunker . Schmitt-Nilson . Hirsch  Winzererstrasse 106 80797 München 80797 München (DE)