Issued Patents 1989
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4857295 | Process for the manufacture of iodine | Guglielmo Gregorio | 1989-08-15 |
| 4822929 | Process for the catalytic trans-halogenation of a polyiodo-benzene, and, in particular, of a di-iodo-benzene | — | 1989-04-18 |
| 4808759 | Process for the catalytic trans-halogenation of a poly-iodo-benzene | — | 1989-02-28 |