Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 7786326 | Polyacylurethanes based on diisocyanates and polyesterpolyols | Ralf Guillaume Jean Catharina Heijkants, Leendert Willem Schwab, Frans Vincent Roukes, Albert Johan Pennings | 2010-08-31 |
| 5035762 | Production of thin films | Gerhard Wegner, Gisela Duda, Thomas Arndt | 1991-07-30 |
| 5035763 | Preparation of thin films | Gerhard Wegner, Gisela Duda, Christoph Bubeck | 1991-07-30 |
| 4720544 | Process for the preparation of an ester from starch and a monocarboxylic acid, and a composition based on the starch ester thus prepared | — | 1988-01-19 |