Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4424298 | Preparation of concentrated polyacrylate dispersions | Erich Penzel, Guenter Eckert, Lothar Heider, Werner Schackert | 1984-01-03 |
| 4374872 | Casein coatings for leather insolubilized with alkoxy alkyl ureas | Guenter Eckert, Harro Petersen, Ulrich Goeckel, Kurt F. Fischer | 1983-02-22 |
| 4213760 | Deliming of hides | Erwin Hahn, Bernhard Magerkurth, Dietrich Lach | 1980-07-22 |