(19)

(11)

EP 0 701 524 A1

(12)

(43) Date of publication: 20.03.1996 Bulletin 1996/12 (21) Application number: 94915261.0 (22) Date of filing: 02.06.1994

(51) International Patent Classification (IPC):  A01N 25/ 34( . ) B65D 65/ 46( . ) B32B 27/ 30( . ) (86) International application number: PCT/IB1994/000136 (87) International publication number: WO 1994/029188 (22.12.1994 Gazette 1994/28)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IE IT LI LU MC NL PT SE (30) Priority: 11.06.1993 US 19930072284 17.12.1993 US 19930169807 (71) Applicant: CIBA-GEIGY AG CH-4002 Basel (CH)	(72) Inventors: DULL, Lawrence, C. Greensboro, NC 27406 (US) SIMMONS, Larry, A. Winston-Salem, NC 27104 (US)