Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4644036 | Curing component for synthetic resins which contain groups capable of amide formation or ester formation with carboxylic acids | Gerd Walz | 1987-02-17 |
| 4240938 | Water-soluble reactive polymer mixture | Kurt Kraft, Gerd Walz, Thaddaus Wirth | 1980-12-23 |