Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5189215 | Process for the preparation of storage-stable levulinic acid | Lorenz Farnleitner, Herbert J. Kaiser, Engelbert Kloimstein | 1993-02-23 |
| 4837335 | Process for the preparation of pure 1-phenyl-3-carbalkoxy-5-hydroxypyrazoles | Wilhelm Dobramysl | 1989-06-06 |