(19)

(11)

EP 0 221 159 A1

(12)

(43) Date of publication: 13.05.1987 Bulletin 1987/20 (21) Application number: 86903083.0 (22) Date of filing: 29.04.1986

(51) International Patent Classification (IPC):  G01N 27/ 12( . ) G01R 19/ 32( . ) G01N 33/ 00( . ) (86) International application number: PCT/US1986/000951 (87) International publication number: WO 1986/006528 (06.11.1986 Gazette 1986/24)

(84) Designated Contracting States: AT BE CH DE FR GB IT LI LU NL SE (30) Priority: 29.04.1985 US 19850728074 (71) Applicant: CAPITAL TECHNOLOGIES INTERNATIONAL Tallahassee, FL 32304 (US)	(72) Inventor: GIELISSE, Peter, J. Tallahassee, FL 32312 (US)