Copyright © Philip M. Parker, INSEAD. Terms of Use.

| Year | Description |
| 1993 | Invention patented by Karl-Heinz Etzbach, Thomas Werner, and Ruediger Sens on May 9th, 1993. Abstract: Cyan thermal transfer dye mixtures comprise at least one anthraquinone dye whose absorption maximum is at a wavelength of from 600 to 750 nm and also at least one triazolopyridine, pyridone, 1-amidopyrid-2,6-dione, heterocyclic pyridone and/or halogenated quinolone dye. |
| Source: selected by the editor from original sources. | |
Copyright © Philip M. Parker, INSEAD. Terms of Use.