(19)
(11)
EP 1 075 479 A1
(12)
(43)
Date of publication:
14.02.2001
Bulletin 2001/07
(21)
Application number:
99917236.4
(22)
Date of filing:
27.04.1999
(51)
International Patent Classification (IPC)
7
:
C07D
499/20
,
C07D
501/12
(86)
International application number:
PCT/NL9900/246
(87)
International publication number:
WO 9955/710
(
04.11.1999
Gazette 1999/44)
(84)
Designated Contracting States:
AT BE ES FR GB IT NL
(30)
Priority:
29.04.1998
EP 98201398
(71)
Applicant:
DSM N.V.
6411 TE Heerlen (NL)
(72)
Inventors:
VAN DER DOES, Thomas
NL-2613 ZA Delft (NL)
KUIPERS, Rienk, Hendrik
NL-2804 KZ Gouda (NL)
(54)
A METHOD FOR CRYSTALLIZING A BETA-LACTAM ANTIBIOTIC