Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4831168 | Process for preparing 2-hydroxydibenzofuran-3-carboxylic acid and alkali metal salts thereof | Rudolf Neeb | 1989-05-16 |
| 4618701 | Process for preparing 6-acetoxy-2-naphthoic-acid and pure 6-hydroxy-2-naphthoic acid | Rudolf Neeb, Heinrich Volk | 1986-10-21 |