Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5628980 | Nonionic radiographic contrast agents | Ramachandran Ranganathan, Thangavel Arunchalam, Radhakrishna K. Pillai | 1997-05-13 |
| 5614638 | Nonionic radiographic contrast agents | Ramachandran Ranganathan, Thangavel Arunchalam, Radhakrishna K. Pillai | 1997-03-25 |
| 5591846 | Nonionic radiographic contrast agents | Ramachandran Ranganathan, Thangavel Arunchalam, Radhakrishna K. Pillai | 1997-01-07 |