Issued Patents 1982
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4329148 | Dye mixtures, and their use in dyeing polyesters | Guenter Hansen, Jochen-Wilfried Stuck | 1982-05-11 |
| 4321055 | Navy dye mixtures and their use in dyeing polyesters | Guenter Hansen, Hans J. Kolbinger | 1982-03-23 |