Issued Patents 1997
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5688371 | Process for fixing disruptive substances in papermaking | Joachim Konig, Jurgen Kopp, Jurgen Reiners, Peter Nowak | 1997-11-18 |
| 5675040 | Process for the preparation of sulphones | Wolfgang Harms, Karl-Josef Herd, Klaus Kunde | 1997-10-07 |
| 5672674 | Anti-stain finishing of polyamide-containing fibre materials, compositions therefor and polyamide-containing fibre materials thus finished | Klaus Walz, Hans-Albert Ehlert | 1997-09-30 |
| 5663442 | Process for the preparation of sulphones | Wolfgang Harms, Karl-Josef Herd, Klaus Kunde | 1997-09-02 |