Issued Patents 2003
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 6620511 | Aqueous coating material, especially aqueous filler or protective base against stones | Ulrike Rockrath, Bärbel Wiatr, Marita Schilling, Ralf Stein | 2003-09-16 |
| 6620884 | Method for producing scratch resistant coatings, especially for producing multi-layer enamels | Ulrike Rockrath, Peter Betz, Fritz Bartol, Hubert Baumgart | 2003-09-16 |