(19)
(11)
EP 0 888 315 A1
(12)
(43)
Date of publication:
07.01.1999
Bulletin 1999/01
(21)
Application number:
97907484.0
(22)
Date of filing:
20.03.1997
(51)
International Patent Classification (IPC):
C07D
251/
60
( . )
C07D
251/
62
( . )
(86)
International application number:
PCT/NL1997/000146
(87)
International publication number:
WO 1997/034879
(
25.09.1997
Gazette 1997/41)
(84)
Designated Contracting States:
AT DE ES FR GB IT NL SE
(30)
Priority:
21.03.1996
NL 19961002669
(71)
Applicant:
DSM N.V.
6411 TE Heerlen (NL)
(72)
Inventors:
VAN WIJCK, Julius, Gerardus, Theodorus
NL-6211 SL Maastricht (NL)
SAMPERS, Theodorus, Josephus, Anna, Maria
NL-6067 HG Linne (NL)
DE HAAN, Andre, Banier
NL-6137 JW Sittard (NL)
(54)
METHOD FOR THE PREPARATION OF MELAMINE