(19)

(11)

EP 0 693 875 A1

(12)

(43) Date of publication: 31.01.1996 Bulletin 1996/05 (21) Application number: 94906419.0 (22) Date of filing: 27.01.1994

(51) International Patent Classification (IPC):  A01N 25/ 18( . ) A01N 31/ 02( . ) (86) International application number: PCT/SE1994/000064 (87) International publication number: WO 1994/016562 (04.08.1994 Gazette 1994/18)

(84) Designated Contracting States: AT CH DE IT LI (30) Priority: 27.01.1993 SE 19930000251 (71) Applicant: JOHANSSON, Gerhard S-903 29 Umea (SE)	(72) Inventor: JOHANSSON, Gerhard S-903 29 Umea (SE)