Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5342897 | Aqueous polymer dispersions and polymer powders prepared therefrom by spray drying | Gernot Franzman, Folf Petri | 1994-08-30 |
| 5330846 | Heat-curable, aqueous synthetic resin mixtures for coating woodworking materials | Wolfgang Eisele, Hans Etling, Walter Pfalzgraf, Otto Wittmann | 1994-07-19 |
| 4584412 | Preparation of formaldehyde | Albrecht Aicher, Gunter Lehmann, Norbert Petri, Gunter Reuss, Hans Schreiber +1 more | 1986-04-22 |