Issued Patents All Time
Showing 1–3 of 3 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4647645 | Non-aqueous lacquer with high protection against stone chipping, a process for its preparation and its use | Siegfried Heinrich, Ahmed Shafik | 1987-03-03 |
| 4606947 | Lacquer for coatings protecting against stone chipping, a process for its preparation and its use | Siegfried Heinrich, Ahmed Shafik | 1986-08-19 |
| 4409340 | Heat-curable coating composition, its use and process for coating substrates | Heinrich Stolzenbach, Siegfried Heinrich | 1983-10-11 |