Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5929294 | Easily transportable and meterable mixtures of aromatic oils and phenylenediamines having high stability in storage | Christian Laue, Lothar Ruetz | 1999-07-27 |
| 4745172 | Phenolic resins using polyamines and polyethers in their production | Thomas Scholl, Manfred Abele, Hermann Fries, Theo Kempermann | 1988-05-17 |
| 4739117 | Process for the isolation of diaryl guanidines | Alfred Nierth, Bernhard Scherhag, Heinz Klose, Salvatore Sabia | 1988-04-19 |
| 4588807 | Benzylidenemalonic or vinylogous benzylidenemalonic acid polyesters, their preparation and their use for the UV stabilization of thermoplastics | Thomas Scholl, Burkhard Lachmann, Hartmut Lower, Peter Muller | 1986-05-13 |
| 4535074 | Fungicidal phosphorylated azolyl derivatives | Hermann Perrey, Helmut Ritter, Paul Reinecke, Wilhelm Brandes | 1985-08-13 |
| 4383835 | Process for improving the light fastness of polyamide dyeings with copper complexes of schiff bases or ortho-hydroxy benzophenone | Joachim Grutze, Ulrich Beck, Hellmuth Pantke, Karl Vogel | 1983-05-17 |
| 4284621 | Agents for protection against light | Egbert Charlet, Peter Finkel, Hans J. Rosenkranz | 1981-08-18 |