Global patent index - EP 1075479 A1

EP 1075479 A1 2001-02-14 - A METHOD FOR CRYSTALLIZING A BETA-LACTAM ANTIBIOTIC

Title (en)

A METHOD FOR CRYSTALLIZING A BETA-LACTAM ANTIBIOTIC

Title (de)

EIN VERFAHREN ZUR KRISTALLISIERUNG VON EINEM BETA-LACTAM-ANTIBIOTIKUM

Title (fr)

PROCEDE DE CRISTALLISATION D'UNE BETA-LACTAMINE

Publication

EP 1075479 A1 (EN)

Application

EP 99917236 A

Priority

  • EP 99917236 A
  • EP 98201398 A
  • NL 9900246 W

Abstract (en)

[origin: WO9955710A1] The invention relates to a method for crystallizing a beta -lactam, wherein the beta -lactam is crystallized from a nitric acid solution.

IPC 1-7 (main, further and additional classification)

C07D 499/20; C07D 501/12

IPC 8 full level (invention and additional information)

C07D 499/00 (2006.01); C07D 499/20 (2006.01); C07D 501/00 (2006.01); C07D 501/12 (2006.01)

CPC (invention and additional information)

C07D 501/00 (2013.01); C07D 499/00 (2013.01)

Citation (search report)

See references of WO 9955710A1

Designated contracting state (EPC)

AT BE ES FR GB IT NL

EPO simple patent family

WO 9955710 A1 19991104; AU 3539599 A 19991116; BR 9910085 A 20001226; CN 1298408 A 20010606; EP 1075479 A1 20010214; ID 26418 A 20001221; PE 08792000 A1 20000923; TR 200003131 T2 20010122

INPADOC legal status

2003-07-09 [18D] DEEMED TO BE WITHDRAWN

- Ref Legal Event Code: 18D

- Effective date: 20030108

2001-02-14 [17P] REQUEST FOR EXAMINATION FILED

- Ref Legal Event Code: 17P

- Effective date: 20000911

2001-02-14 [AK] DESIGNATED CONTRACTING STATES:

- Ref Legal Event Code: AK

- Designated State(s): AT BE ES FR GB IT NL