Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4438264 | Process for the production of hydroxyethyl methyl cellulose | Klaus Balser, Wilhelm Oppermann | 1984-03-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4438264 | Process for the production of hydroxyethyl methyl cellulose | Klaus Balser, Wilhelm Oppermann | 1984-03-20 |