Issued Patents 1982
Showing 1–6 of 6 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4363744 | Mixtures of optical brighteners and their use for the optical brightening | Dieter Gunther, Gunter Rosch, Heinz Probst | 1982-12-14 |
| 4336155 | Mixtures of optical brighteners | Thomas Martini, Horst Fruhbeis, Gunter Rosch, Heinz Probst | 1982-06-22 |
| 4332943 | Process for the preparation of pyridine | Richard Bicker | 1982-06-01 |
| 4330427 | Mixtures of optical brighteners | Thomas Martini, Horst Fruhbeis, Gunter Rosch, Heinz Probst | 1982-05-18 |
| 4323675 | Novel stilbene compounds: process for their manufacture and their use as optical brighteners | Helmut Eckes, Thomas Martini, Gunter Rosch | 1982-04-06 |
| 4310665 | Novel stilbene compounds and process for the manufacture thereof | Gunter Rosch | 1982-01-12 |