Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4855439 | Process for the preparation of cimetidine | — | 1989-08-08 |
| 4720552 | Process for the preparation of acid addition salts of 4(5)-methyl-5(4)-thiomethyl imidazole | Janko Zmitek | 1988-01-19 |