Issued Patents 1997
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5696296 | Diphosphines and process for their preparation | Christoph Naumann | 1997-12-09 |
| 5684182 | Sulfonated diphosphines and a process for their preparation | Christoph Naumann, Ahmed M. Tafesh, Hans-Jerg Kleiner | 1997-11-04 |
| 5648547 | Bis-phosphepines and processses for their preparation | — | 1997-07-15 |
| 5624979 | Stabilized phosphorus-modified epoxy resins and their use | Hans-Jerg Kleiner | 1997-04-29 |
| 5600006 | Bis(diarylalkyl)phosphines | Hans-Jerg Kleiner | 1997-02-04 |