(19)

(11)

EP 0 506 791 A1

(12)

(43) Date of publication: 07.10.1992 Bulletin 1992/41 (21) Application number: 91901708.0 (22) Date of filing: 21.12.1990

(51) International Patent Classification (IPC):  C11D 3/ 386( . ) C12N 9/ 00( . ) C11D 7/ 42( . ) (86) International application number: PCT/DK1990/000340 (87) International publication number: WO 1991/009941 (11.07.1991 Gazette 1991/15)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB GR IT LI LU NL SE (30) Priority: 21.12.1989 DK 19890006541 21.12.1989 DK 19890006542 05.04.1990 DK 19900000849 (71) Applicant: NOVO NORDISK A/S DK-2880 Bagsvaerd (DK)	(72) Inventors: MARKUSSEN, Erik, Kjaer DK-3500 Vaerloese (DK) NIELSEN, Torben, Kjaersgaard DK-4000 Roskilde (DK) NIELSEN, Niels-Viktor DK-4060 Kirke Saaby (DK) MARCUSSEN, Erik, Schmidt DK-2500 Valby (DK) (74) Representative: Bach, Niels, et al  c/o Novo Nordisk A/S, Patent Dept., Novo Allé DK-2880 Bagsvaerd DK-2880 Bagsvaerd (DK)