Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5762651 | Dustproofing agents | Horst Brandt, Hans Schulze, Thomas O. Nagel, Udo Herrmann | 1998-06-09 |
| 4245995 | Stabilization of anionic indole dyestuffs | Herbert Hugl, Hans Otten, Karlheinz Wolf | 1981-01-20 |
| 4217103 | Dyestuff formulations containing salts of diaryl ether sulfonic acids | Karlheinz Wolf, Hans-Heinz Molls, Reinhard Nebeling, Reinhold Hornle, Richard Schwaebel +1 more | 1980-08-12 |