(19)

(11)

EP 0 510 052 A1

(12)

(43) Date of publication: 28.10.1992 Bulletin 1992/44 (21) Application number: 91902229.0 (22) Date of filing: 28.12.1990

(51) International Patent Classification (IPC):  A61K 38/ 00( . ) A61K 38/ 46( . ) A61P 9/ 00( . ) A61K 38/ 22( . ) A61K 45/ 06( . ) A61P 29/ 00( . ) (86) International application number: PCT/SE1990/000886 (87) International publication number: WO 1991/009627 (11.07.1991 Gazette 1991/15)

(84) Designated Contracting States: CH DE ES FR GB IT LI (30) Priority: 29.12.1989 SE 19890004407 (71) Applicants: HEDNER, Thomas S-412 67 Göteborg (SE) FENG, Qingping S-413 25 Göteborg (SE)	(72) Inventors: HEDNER, Thomas S-412 67 Göteborg (SE) FENG, Qingping S-413 25 Göteborg (SE) (74) Representative: Ström, Tore, et al  Ström & Gulliksson AB Studentgatan 1 P.O. Box 4188 S-203 13 Malmö S-203 13 Malmö (SE)