Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5041553 | Process for the preparation of 2-substituted 1-(acylaminoalkyl)-2-imidazolines | Karl-Heinz Keil, Herbert Wirtz, Helmut Berenbold, Werner Wellbrock, Horst Frohlich | 1991-08-20 |
| 4488974 | Softener emulsion, a process for its preparation, and its application | Karl-Heinz Keil, Ulrich Greiner, Volker Kohler | 1984-12-18 |