(19)

(11)

EP 0 935 820 A1

(12)

(43) Date of publication: 18.08.1999 Bulletin 1999/33 (21) Application number: 96932144.0 (22) Date of filing: 23.08.1996

(51) International Patent Classification (IPC):  H01M 2/ 16( . ) H01M 4/ 62( . ) H01M 10/ 06( . ) H01M 4/ 14( . ) H01M 4/ 02( . ) (86) International application number: PCT/US1996/013686 (87) International publication number: WO 1997/038457 (16.10.1997 Gazette 1997/44)

(84) Designated Contracting States: DE FR GB (30) Priority: 02.07.1996 US 19960674404 02.07.1996 US 19960675395 (71) Applicants: ENSCI, INC. Pismo Beach, CA 93448 (US) CLOUGH, Thomas J. Pismo Beach, CA 93448 (US)	(72) Inventor: CLOUGH, Thomas, J. Grover Beach, CA 93433 (US) (74) Representative: Cropp, John Anthony David, et al  MATHYS & SQUIRE 100 Grays Inn Road London, WC1X 8AL London, WC1X 8AL (GB)