Issued Patents 1997
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696243 | Diphenylamine compounds, polymers prepared therefrom and non-linear optics devices containing the same | Stefan Beckmann, Ruediger Sens | 1997-12-09 |
| 5695686 | Brightener mixtures based on bisstyryl compounds | Manfred Hauptreif, Norbert Leppert, Helmut Reichelt, Peter Raatz, Manfred Herrmann | 1997-12-09 |
| 5683833 | Use of organic materials having high nonionic charge carrier mobility | Lukas Haussling, Karl Siemensmeyer, Wolfgang Paulus, Dieter Meissner, Christina Antonius +4 more | 1997-11-04 |
| 5654122 | N-aminopyridone dyes | Ernst Schefczik, Ruediger Sens, Matthias Wiesenfeldt | 1997-08-05 |
| 5623075 | Thiazolemethine dyes | Stefan Beckmann, R udiger Sens | 1997-04-22 |
| 5620756 | Production of a ferroelectric or antiferroelectric or ferrielectric order in liquid crystals which solidify in a glass-like manner | Volker Bach, Karl Siemensmeyer, Gerhard Wagenblast | 1997-04-15 |
| 5616710 | Triazolopyridine dyes | Rudiger Sens, Ernst Schefczik, Helmut Reichelt | 1997-04-01 |
| 5616678 | Azo dyestuff- and urethane-containing polyadduct and its use in nonlinear optics | Stefan Beckmann, R udiger Sens, Karl H aberle | 1997-04-01 |
| 5612465 | Phenylazotriazolopyridine dyestuffs | Ernst Schefczik, Ruediger Sens, Helmut Reichelt, Clemens Grund | 1997-03-18 |