Issued Patents 1982
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4327018 | Azo dyes and the production and use thereof | Hans Wilhelm Liechti, Kurt Burdeska | 1982-04-27 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4327018 | Azo dyes and the production and use thereof | Hans Wilhelm Liechti, Kurt Burdeska | 1982-04-27 |