Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4524168 | Process for the mass coloration of polymers | — | 1985-06-18 |
| 4400319 | Monoazo pigments containing heterocycles, and high-molecular organic materials dyed therewith | Stefan Hari | 1983-08-23 |
| 4348239 | Process for coloring organic material of high molecular weight | — | 1982-09-07 |
| 4292232 | Process for the mass coloration of thermoplastics with anthraquinonylaminotraizines | Joachim Dazzi, Max Jost | 1981-09-29 |
| 4211688 | Process for dyeing high-molecular organic material in the melt | Hans Altermatt | 1980-07-08 |