Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6399795 | Method for producing 2-(4-methyl-3-pentenyl) anthraquinone | Jürgen Glenneberg, Hubert Angert | 2002-06-04 |
| 4762953 | Method for the preparation of substituted trihydroxybenzenes | Guenter Prescher, Gebhard Ritter | 1988-08-09 |
| 4751332 | Process for the production of trihydroxy-and/or alkoxy-hydroxybenzenes | Guenter Prescher, Gebhard Ritter | 1988-06-14 |
| 4751333 | Method for the preparation of trihydroxybenzenes | Guenter Prescher, Gebhard Ritter | 1988-06-14 |