Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4931197 | Copolymers for .alpha.-.beta.-unsaturated dicarboxylic acid esters wherein said esters are comprised of ethoxylated esters, methods for their production as well as their use as lubricant for the working-up of plastics | Heinz Beck, Karl-Heinz Frassek, Egenius A. Giezen | 1990-06-05 |
| 4334038 | Shaping of plastic materials containing polymeric lubricant | Heinz Beck, Karl-Heinz Frassek, Egenius A. Giezen | 1982-06-08 |