(19)

(11)

EP 0 422 140 A1

(12)

(43) Date of publication: 17.04.1991 Bulletin 1991/16 (21) Application number: 90903335.0 (22) Date of filing: 05.02.1990

(51) International Patent Classification (IPC):  A61K 38/ 06( . ) (86) International application number: PCT/EP1990/000209 (87) International publication number: WO 1990/008583 (09.08.1990 Gazette 1990/19)

(84) Designated Contracting States: AT BE CH DE DK ES FR GB IT LI LU NL SE (30) Priority: 03.02.1989 GB 19890002372 (71) Applicant: PIERPAOLI, Walter CH-6572 Quartino-Magadino (CH)	(72) Inventor: PIERPAOLI, Walter CH-6572 Quartino-Magadino (CH) (74) Representative: Gutmann, Ernest, et al  Ernest Gutmann - Yves Plasseraud S.A. 3, rue Chauveau-Lagarde F-75008 Paris F-75008 Paris (FR)