(19)

(11)

EP 0 268 613 A1

(12)

(43) Date of publication: 01.06.1988 Bulletin 1988/22 (21) Application number: 87903143.0 (22) Date of filing: 20.04.1987

(51) International Patent Classification (IPC):  F23C 99/ 00( . ) F23C 10/ 00( . ) C10L 9/ 10( . ) F23K 1/ 00( . ) (86) International application number: PCT/US1987/000893 (87) International publication number: WO 1987/006605 (05.11.1987 Gazette 1987/24)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 21.04.1986 US 19860854223 (71) Applicant: BATTELLE DEVELOPMENT CORPORATION Columbus, OH 43201-2693 (US)	(72) Inventors: REUTHER, James, J. Worthington, OH 43085 (US) FELDMANN, Herman Worthington, OH 43085 (US) (74) Representative: Dousse, Blasco, et al  7, route de Drize CH-1227 Carouge/Genève CH-1227 Carouge/Genève (CH)