Patent details

EP2289870 Title: Method for purifying 5-amino-N,N'-bis(2,3-dihydroxypropyl)-isophthalamide, an intermediate in the preparation of non-ionic X-ray contrast agents

Basic Information

Publication number:
EP2289870
PCT Application Number:
Type:
European Patent Granted for LU
Legal Status:
Lapsed
Application number:
EP091765172
PCT Publication Number:
First applicant's nationality:
Translation Language:
EPO Publication Language:
English
English Title of Invention:
Method for purifying 5-amino-N,N'-bis(2,3-dihydroxypropyl)-isophthalamide, an intermediate in the preparation of non-ionic X-ray contrast agents
French Title of Invention:
Procédé de purification du 5-amino-N,N'-bis(2,3-dihydroxypropyl)-isophthalamide , un intermédiaire pour la synthèse d'agents de contraste à rayon X non ioniques
German Title of Invention:
Verfahren zur Reinigung von 5-amino-N,N'-bis(2,3-dihydroxypropyl)-isophthalamid, ein Zwischenprodukt in der Herstellung von nichtionischen Röntgenkontrastmitteln
SPC Number:

Dates

Filing date:
19/11/2009
Grant date:
07/11/2012
EP Publication Date:
07/11/2012
PCT Publication Date:
Claims Translation Received Date:
Translations Received Date (B1 EP Publication):
Translations Received Date (B2 EP Publication):
Translations Received Date (B3 EP Publication):
Publication date:
02/03/2011
EP B1 Publication Date:
07/11/2012
EP B2 Publication Date:
EP B3 Publication Date:
Lapsed date:
19/11/2012
Expiration date:
19/11/2029
Renunciation date:
Revocation date:
Annulment date:

Owner

From:
19/11/2009
 
 

Name:
GE Healthcare AS
Address:
Nycoveien 1-2 P.O. Box 4220 Nydalen, 0401 Oslo, Norway (NO)

Inventor

1

Name:
Haaland Torfinn
Address:
Norway (NO)

2

Name:
Homestad Ole, Magne
Address:
Norway (NO)

Priority

Priority Number:
227086 P
Priority Date:
21/07/2009
Priority Country:
United States (US)

Classification

Main IPC Class:
C07C 231/24;
Filing date Document type Number of pages