Issued Patents All Time
Showing 1–5 of 5 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4413072 | Mixtures of polyurethanes and unsaturated polyester resins | Bernhard Hess, Hansjochen Schulz-Walz, Hannes von Harpe, Ludwig Bottenbruch | 1983-11-01 |
| 4382114 | Method of producing metal effect lacquerings and sheets treated with weather-resistant multicoat metal effect lacquerings | Peter Hohlein, Walter Uerdingen, Gerhard Mennicken | 1983-05-03 |
| 4287109 | Aqueous silicone-polyester resin systems, a process for their production and their use | Ottfried Schlak, Hans-Heinrich Moretto, Werner Clarenz, Willi Burgmer | 1981-09-01 |
| 4237244 | Molding composition based on unsaturated polyesters | Hannes von Harpe, Ludwig Bottenbruch, Hansjochen Schulz-Walz | 1980-12-02 |
| 4223099 | Copolymerizable molding compositions based on unsaturated polyurethanes | Hannes von Harpe, Ludwig Bottenbruch, Leo Morbitzer, Helmut Korber, Hansjochen Schulz-Walz | 1980-09-16 |