Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4434269 | Cationic sizing agent for paper and a process for the preparation thereof | Joachim Probst, Peter Mummenhoff, Heinz B/a/ umgen | 1984-02-28 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4434269 | Cationic sizing agent for paper and a process for the preparation thereof | Joachim Probst, Peter Mummenhoff, Heinz B/a/ umgen | 1984-02-28 |