Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871594 | Use of aqueous cationic dispersions of synthetic resins for impregnating and priming of absorbent substrates | Erhard Bister, Hans-Ullrich Huth | 1989-10-03 |
| 4421889 | Aqueous dispersion paints and process for making the same | Helmut Braun, Helmut Rinno | 1983-12-20 |