Issued Patents 1994
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5290880 | Preparation of finely divided, water-soluble polymers containing vinylamine units | Dietmar Moench, Michael Kroener, Enrique Freudenberg, Heinrich Hartmann | 1994-03-01 |