Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806381 | Polymerizable compounds containing acid and acid derivatives, mixtures containing the same, and use thereof | Jurgen Engelbrecht, Helmut von Wallis | 1989-02-21 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4806381 | Polymerizable compounds containing acid and acid derivatives, mixtures containing the same, and use thereof | Jurgen Engelbrecht, Helmut von Wallis | 1989-02-21 |