Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696243 | Diphenylamine compounds, polymers prepared therefrom and non-linear optics devices containing the same | Karl-Heinz Etzbach, Ruediger Sens | 1997-12-09 |
| 5623075 | Thiazolemethine dyes | Karl-Heinz Etzbach, R udiger Sens | 1997-04-22 |
| 5616678 | Azo dyestuff- and urethane-containing polyadduct and its use in nonlinear optics | Karl-Heinz Etzbach, R udiger Sens, Karl H aberle | 1997-04-01 |