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Legal status
Patent not validated
| (51) | INT.CL. | C07C 231/02 | |
| C07C 231/24 | |||
| C07C 23/24 |
| (11) | Number of the document | 3077368 |
| (13) | Kind of document | T |
| (96) | European patent application number | 14814793.7 |
| Date of filing the European patent application | 2014-12-08 | |
| (97) | Date of publication of the European application | 2016-10-12 |
| (45) | Date of publication and mention of the grant of the patent | 2018-07-11 |
| (46) | Date of publication of the claims translation |
| (86) | Number | PCT/EP2014/076891 |
| Date | 2014-12-08 |
| (87) | Number | WO 2015/082720 |
| Date | 2015-06-11 |
| (30) | Number | Date | Country code |
| 201361912799 P | 2013-12-06 | US | |
| 201461969951 P | 2014-03-25 | US |
| (72) |
HAALAND, Torfinn, NO
ASKILDSEN, Arne, NO
KALLEBERG, Rita, NO
SILALAHI, Sumihar, NO
FARBROT, Alf Martin, NO
SAANUM, Inger Dagny, NO
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| (73) |
GE Healthcare AS,
Nycoveien 1-2 4220 Nydalen, 0401 Oslo,
NO
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| (54) | ALTERNATIVE PROCESS FOR THE PURIFICATION OF AN INTERMEDIATE IN THE SYNTHESIS OF NON-IONIC X-RAY CONTRAST AGENTS |
| ALTERNATIVE PROCESS FOR THE PURIFICATION OF AN INTERMEDIATE IN THE SYNTHESIS OF NON-IONIC X-RAY CONTRAST AGENTS |