(19)

(11)

EP 0 637 379 A1

(12)

(43) Date of publication: 08.02.1995 Bulletin 1995/06 (21) Application number: 93909598.0 (22) Date of filing: 16.04.1993

(51) International Patent Classification (IPC):  B01J 31/ 18( . ) G01N 27/ 416( . ) G01N 27/ 30( . ) G01N 33/ 00( . ) (86) International application number: PCT/US1993/003701 (87) International publication number: WO 1993/021518 (28.10.1993 Gazette 1993/26)

(84) Designated Contracting States: DE FR GB (30) Priority: 21.04.1992 US 19920871463 (71) Applicant: MALINSKI, Tadeusz Oakland Township, MI 48363 (US)	(72) Inventor: MALINSKI, Tadeusz Oakland Township, MI 48363 (US) (74) Representative: Price, Nigel John King  J.A. KEMP & CO. 14 South Square Gray's Inn London WC1R 5LX London WC1R 5LX (GB)