Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4286097 | Carboxylic acid dianhydrides based on trimellitic anhydride | Jurgen Habermeier, Eduard Knecht | 1981-08-25 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4286097 | Carboxylic acid dianhydrides based on trimellitic anhydride | Jurgen Habermeier, Eduard Knecht | 1981-08-25 |