Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4929752 | Process for the preparation of 1-amine-2-naphthol-4-sulfonic acid | Bernhard Albrecht | 1990-05-29 |
| 4879415 | Process for the preparation of chloronitroanilines and chloronitrophenols | Bernhard Albrecht | 1989-11-07 |