Issued Patents 1997
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5693737 | Water-dispersible blocked isocyanates, method of manufacture, and use thereof | Karl-Heinz Passon, Hans-Albert Ehlert, Peter Nussbaum | 1997-12-02 |
| 5618317 | Bisulfite-blocked polyisocyanates as tanning agents | Harro Traubel | 1997-04-08 |
| 5607482 | Crosslinking agents for textile printing fixing agents | Herbert Wigger, Matthias Gehling, Karl-Heinz Passon | 1997-03-04 |