(19)
(11) EP 0 472 628 A1

(12)

(43) Date of publication:
04.03.1992 Bulletin 1992/10

(21) Application number: 90908689.0

(22) Date of filing: 17.05.1990
(51) International Patent Classification (IPC): 
A61K 31/ 40( . )
A61K 31/ 404( . )
C07D 209/ 12( . )
A61K 31/ 403( . )
A61K 31/ 57( . )
C07D 209/ 14( . )
(86) International application number:
PCT/NL1990/000073
(87) International publication number:
WO 1990/014084 (29.11.1990 Gazette 1990/27)
(84) Designated Contracting States:
AT BE CH DE DK ES FR GB IT LI LU NL SE

(30) Priority: 17.05.1989 US 19890353019

(71) Applicant: COHEN, Michael
NL-2243 CM Wassenaar (NL)

(72) Inventor:
  • COHEN, Michael
    NL-2243 CM Wassenaar (NL)

(74) Representative: Marchant, James Ian, et al 
Elkington and Fife Prospect House 8 Pembroke Road
Sevenoaks, Kent TN13 1XR
Sevenoaks, Kent TN13 1XR (GB)

   


(54) USE OF MELATONIN DERIVATIVES FOR EFFECTING CONTRACEPTION