Issued Patents All Time
Showing 1–19 of 19 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5080687 | Method of recovering regenerated sizes | Jorg Langer, Heinz E. Schneider | 1992-01-14 |
| 4753999 | Copolymer, process for its preparation, and its use | Karl-Heinz Keil, Fritz Engelhardt, Klaus Sternberger | 1988-06-28 |
| 4595756 | Cationic compounds of the naphthalimide series, process for their preparation and their use | Norbert Schonberger, Erich Schinzel, Thomas Martini | 1986-06-17 |
| 4539007 | Process for the simultaneous desizing and bleaching of textile material made from cellulose fibers | Gerhard Sauer | 1985-09-03 |
| 4508900 | Cationic compounds of the naphthalimide series, process for their preparation and their use | Norbert Schonberger, Erich Schinzel, Thomas Martini | 1985-04-02 |
| 4478737 | Liquid oxidative desizing agent and process for oxidative desizing | Klaus Adrian | 1984-10-23 |
| 4400294 | Mixtures of optical brighteners | Thomas Martini | 1983-08-23 |
| 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 |
| 4309551 | Quaternized, bridged benzimidazolylbenzimidazoles, processes for their preparation and their use | Norbert Schonberger, Erich Schinzel, Thomas Martini | 1982-01-05 |
| 4309298 | Oxidative desizing agent and process for oxidative desizing | Klaus Adrian | 1982-01-05 |
| 4263176 | Color-stable brighteners for detergents | Thomas Martini, Helmut Mengler, Gunter Hohlfeld | 1981-04-21 |
| 4263441 | Novel fluorine-containing benz-azole derivatives, process for their manufacture and their use as optical brighteners | Ulrich Pintschovius, Erich Schinzel | 1981-04-21 |
| 4246403 | 1,3,4-Oxadiazolone-(2) compounds and process for their manufacture | Gunter Prossel, Erich Schinzel, Norbert Schonberger, Thomas Martini | 1981-01-20 |
| 4231741 | Mixtures of optical brighteners | Dieter Gunther, Rudiger Erckel, Heinz Probst | 1980-11-04 |
| 4197401 | Stilbenes, process for the manufacture thereof and the use thereof as optical brighteners | Dieter Gunther, Rudiger Erckel | 1980-04-08 |