Issued Patents 1989
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871808 | Binders water-dilutable by protonation with acid | Thomas Schwerzel, Rolf Osterloh, Eberhard Schupp, Klaas Ahlers | 1989-10-03 |
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4871808 | Binders water-dilutable by protonation with acid | Thomas Schwerzel, Rolf Osterloh, Eberhard Schupp, Klaas Ahlers | 1989-10-03 |