Issued Patents 1994
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5300601 | Suspension polymers based on methyl methacrylate | Siegmund Besecke, Wilfried Schoen | 1994-04-05 |
| 5286801 | Emulsion graft copolymers | Siegmund Besecke, Daniel Wagner, Wilfried Schoen | 1994-02-15 |