Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5288680 | Process for the preparation of finished dyeings which are fast to thermomigration: orange-dyed polyester fabrics | Rudolf Binder, Ulrich Buhler, Margareta Boos, Reinhard Kuhn | 1994-02-22 |
| 5069682 | Color-stable beta-modification of a monoazo dye, a process for its preparation, and its use | Rudolf Binder, Klaus Hofmann | 1991-12-03 |
| 4795807 | Preparation of azo dyestuffs by diazotization and coupling in the presence of an ester | Ulrich Buhler, Wolf Weidemuller | 1989-01-03 |
| 4695656 | Process for the preparation of 2,4-dinitrophenyl ethers | Kuno Reh | 1987-09-22 |
| 4686301 | Process for the preparation of 2,4-dinitrophenol alkoxyalkyl ethers | Theodor Papenfuhs | 1987-08-11 |