Issued Patents 1994
Showing 1–8 of 8 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5376150 | Use of pyridine dyes in the textile sector, dye mixtures with pyridine dyes, and triazolopyridine dyes having a thienyl radical | Arno Lange, Volker Bach, Karl-Heinz Etzbach, Helmut Reichelt, Sabine Gruettner-Merten | 1994-12-27 |
| 5371266 | Bichromophoric cyano-containing methine dyes and transfer thereof | Volker Bach, Karl-Heinz Etzbach | 1994-12-06 |
| 5364919 | Methine or azamethine dye polymers | Karl-Heinz Etzbach, Heike Killburg | 1994-11-15 |
| 5312926 | Indonaphthol dyes and thermal transfer thereof | Volker Bach, Karl-Heinz Etzbach | 1994-05-17 |
| 5310942 | Pyridone dyes and thermal transfer thereof | Volker Bach, Karl-Heinz Etzbach | 1994-05-10 |
| 5306815 | Azo dyes with a coupling component of the quinoline series | Erwin Hahn, Clemens Grund, Andreas Geisberger, Helmut Reichelt, Andreas Guldner +3 more | 1994-04-26 |
| 5302577 | Transfer of anthraquinone dyes | Thomas Werner, Karl-Heinz Etzbach | 1994-04-12 |
| 5281572 | Bichromorphic methine and azamethine dyes and process for transferring them | Volker Bach, Karl-Heinz Etzbach | 1994-01-25 |