Issued Patents All Time
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 10011560 | Alternative process for the purification of an intermediate in the synthesis of non-ionic X-ray contrast agents | Arne Askildsen, Rita Heskestad Kalleberg, Sumihar Silalahi, Alf Martin Farbrot, Inger Dagny Saanum | 2018-07-03 |
| 9834504 | Alternative process for the purification of an intermediate in the synthesis of non-ionic X-ray contrast agents | Arne Askildsen, Rita Heskestad Kalleberg, Sumihar Silalahi, Alf Martin Farbrot, Inger Dagny Saanum | 2017-12-05 |
| 9695113 | Alternative process for the purification of an intermediate in the synthesis of non-ionic X-ray contrast agents | Arne Askildsen, Rita Heskestad Kalleberg, Sumihar Silalahi, Alf Martin Farbrot, Inger Dagny Saanum | 2017-07-04 |
| 9688614 | Alternative acetylation process in the synthesis of non-ionic X-ray contrast agents | Inger Dagny Saanum, Rita Heskestad Kalleberg | 2017-06-27 |
| 9403757 | Preparation of intermediates of X-ray contrast agents | — | 2016-08-02 |
| 7863484 | Method for reducing aminoisophthalic acid bisamide related impurities in preparation of non-ionic X-ray contrast agents | Ole Magne Homestad | 2011-01-04 |