Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4544689 | Aqueous polyvinyl ester dispersion, process for its manufacture, and its use | Alfons Homanner, Helmut Rinno | 1985-10-01 |
| 4405747 | Aqueous polyvinyl ester dispersion, process for its preparation, and the use | Helmut Rinno | 1983-09-20 |