Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4661646 | Process for the preparation of 1-butene-3,4-diol | Helmut Waldmann | 1987-04-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4661646 | Process for the preparation of 1-butene-3,4-diol | Helmut Waldmann | 1987-04-28 |