(19)

(11)

EP 1 353 874 A1

(12)

(43) Date of publication: 22.10.2003 Bulletin 2003/43 (21) Application number: 01901674.0 (22) Date of filing: 02.01.2001

(51) International Patent Classification (IPC)7: C01B 3/26 (86) International application number: PCT/US0100/081 (87) International publication number: WO 0205/3492 (11.07.2002 Gazette 2002/28)

(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 (71) Applicant: TECHNOLOGY MANAGEMENT, INC. Cleveland, OH 44108-1049 (US)	(72) Inventors: CABLE, Thomas L. Newbury, OH 44065 (US) BRAKAS, Adam B. Chesterland, OH 44026 (US) RUHL, Robert C. Cleveland Heights, OH 44106 (US) MILLIKEN, Christopher E. South Euclid, OH 44121 (US) (74) Representative: Froud, Clive et al Elkington and FifeProspect House8 Pembroke Road Sevenoaks, Kent TN13 1XR Sevenoaks, Kent TN13 1XR (GB)