Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5318601 | Dye mixtures containing azo and quinophthalone dyes | Arno Lange, Gert Motzkus, Helmut Degen | 1994-06-07 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5318601 | Dye mixtures containing azo and quinophthalone dyes | Arno Lange, Gert Motzkus, Helmut Degen | 1994-06-07 |