(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)7C07D 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