Issued Patents 1982
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4336155 | Mixtures of optical brighteners | Rudiger Erckel, Horst Fruhbeis, Gunter Rosch, Heinz Probst | 1982-06-22 |
| 4330427 | Mixtures of optical brighteners | Rudiger Erckel, 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, Rudiger Erckel, Gunter Rosch | 1982-04-06 |
| 4321052 | Use of alkylpolyglycol-tert.-butyl ether as bleaching auxiliary and bleaching baths containing this agent | Otto Smerz, Siegfried Billenstein, Klaus Adrian | 1982-03-23 |
| 4309551 | Quaternized, bridged benzimidazolylbenzimidazoles, processes for their preparation and their use | Norbert Schonberger, Erich Schinzel, Gunter Rosch | 1982-01-05 |