(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