(19)

(11)

EP 0 225 922 A1

(12)

(43) Date of publication: 24.06.1987 Bulletin 1987/26 (21) Application number: 86903980.0 (22) Date of filing: 04.06.1986

(51) International Patent Classification (IPC):  B01L 3/ 00( . ) (86) International application number: PCT/US1986/001241 (87) International publication number: WO 1986/007288 (18.12.1986 Gazette 1986/27)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 07.06.1985 US 19850742346 (71) Applicant: ELECTRO-NUCLEONICS, INC. Fairfield, NJ 07006 (US)	(72) Inventors: MUNDON, Francis, K. Rockville, MD 20850 (US) O'NEILL, Sean, P. Bethesda, MD 20014 (US) ZIMMERMAN, Daniel, H. Bethesda, MD 20014 (US) FISHER, Michael, J. Dover, NJ 07801 (US) DE SOUZA, Didicus, I. Burke, VA 22015 (US)