Issued Patents 1989
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4845170 | Self-crosslinking cationic paint binders containing urea groups and process of manufacture | Willibald Paar, Michael Honel | 1989-07-04 |
| 4845171 | Self-crosslinking cationic paint binders containing urea and urethane groups and process of manufacture | Willibald Paar, Michael Honel | 1989-07-04 |