(19)

(11)

EP 0 667 955 A1

(12)

(43) Date of publication: 23.08.1995 Bulletin 1995/34 (21) Application number: 94901780.0 (22) Date of filing: 07.12.1993

(51) International Patent Classification (IPC):  G01J 3/ 46( . ) G01N 21/ 79( . ) (86) International application number: PCT/DK1993/000408 (87) International publication number: WO 1994/014052 (23.06.1994 Gazette 1994/14)

(84) Designated Contracting States: AT BE CH DE ES FR GB GR IE IT LI NL PT SE (30) Priority: 08.12.1992 DK 19920001470 (71) Applicant: DANISCO A/S DK-1411 Copenhagen K. (DK)	(72) Inventor: JUHL, Henrik, V. DK-4900 Nakskov (DK) (74) Representative: Siiger, Joergen, et al  c/o Chas. Hude H.C. Andersens Boulevard 33 DK-1553 Copenhagen V DK-1553 Copenhagen V (DK)