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 |