Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822845 | Rubber compositions modified with heterocyclic di-N-oxides | Hans-Wilhelm Engels | 1989-04-18 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4822845 | Rubber compositions modified with heterocyclic di-N-oxides | Hans-Wilhelm Engels | 1989-04-18 |