Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5668227 | Cyclohexyl-group-containing glycidyl ethers | Andreas Kramer | 1997-09-16 |
| 5663326 | Mixtures of isomeric substituted phthalocyanines, and process for their preparation | — | 1997-09-02 |
| 5641879 | Phthalocyanines substituted by phosphorus-containing groups | Hanspeter Preiswerk, Beat Schmidhalter, Heinz Spahni | 1997-06-24 |
| 5594128 | Process for the preparation of brominated, alkoxy-substituted metal phthalocyanines | — | 1997-01-14 |