Issued Patents 1982
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363744 | Mixtures of optical brighteners and their use for the optical brightening | Dieter Gunther, Rudiger Erckel, Heinz Probst | 1982-12-14 |
| 4336155 | Mixtures of optical brighteners | Thomas Martini, Rudiger Erckel, Horst Fruhbeis, Heinz Probst | 1982-06-22 |
| 4330427 | Mixtures of optical brighteners | Thomas Martini, Rudiger Erckel, Horst Fruhbeis, Heinz Probst | 1982-05-18 |
| 4323675 | Novel stilbene compounds: process for their manufacture and their use as optical brighteners | Helmut Eckes, Rudiger Erckel, Thomas Martini | 1982-04-06 |
| 4310665 | Novel stilbene compounds and process for the manufacture thereof | Rudiger Erckel | 1982-01-12 |
| 4309298 | Oxidative desizing agent and process for oxidative desizing | Klaus Adrian | 1982-01-05 |
| 4309551 | Quaternized, bridged benzimidazolylbenzimidazoles, processes for their preparation and their use | Norbert Schonberger, Erich Schinzel, Thomas Martini | 1982-01-05 |