(19)

(11)

EP 0 233 282 A1

(12)

(43) Date of publication: 26.08.1987 Bulletin 1987/35 (21) Application number: 86906041.0 (22) Date of filing: 12.08.1986

(51) International Patent Classification (IPC):  H01Q 3/ 32( . ) H01Q 13/ 28( . ) H01Q 3/ 44( . ) (86) International application number: PCT/US1986/001692 (87) International publication number: WO 1987/001243 (26.02.1987 Gazette 1987/05)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 22.08.1985 US 19850768524 (71) Applicant: BATTELLE MEMORIAL INSTITUTE Columbus Ohio 43201-2693 (US)	(72) Inventors: SEILER, Milton, R. Worthington, OH 43085 (US) WINSOR, Harry, V. Arlington, VA 22207 (US) CLIFFORD, John, E. Columbus, OH 43228 (US) (74) Representative: Dousse, Blasco, et al  7, route de Drize CH-1227 Carouge/Genève CH-1227 Carouge/Genève (CH)