Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4352788 | Derivatives of 2,4,6-triiodo-isophthalic acid, processes for their synthesis and X-ray contrasting materials containing these | Ernst Felder | 1982-10-05 |
| 4348377 | New derivatives of 2,4,6-triiodo-isophthalic acid, proceses for their synthesis and X-ray contrasting materials containing these | Ernst Felder | 1982-09-07 |