Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841073 | Radical anion salts of derivatives of 1,4,5,8-naphthalenetetracarboxylic acid and their use | Tillmann Hassel, Jurgen Hocker, Gerhard Heywang, Hans Muller | 1989-06-20 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4841073 | Radical anion salts of derivatives of 1,4,5,8-naphthalenetetracarboxylic acid and their use | Tillmann Hassel, Jurgen Hocker, Gerhard Heywang, Hans Muller | 1989-06-20 |