Issued Patents 1989
Showing 1–1 of 1 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 |
WI
Wolfgang Ironich
Overall (1989): #42,608 of 140,708Top 35%
1
Patents 1989