Issued Patents All Time
Showing 1–2 of 2 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5576449 | Preparation of 2-substituted but-2-ene-1,4-dial-4-acetals and novel hemiacetals of glyoxal monoacetals | Johann-Peter Melder, Franz Merger, Tom Witzel | 1996-11-19 |
| 5565583 | Preparation of 2-substituted but-2-ene-1, 4-dial-4-acetals and novel hemiacetals of glyoxal monoacetals | Johann-Peter Melder, Franz Merger, Tom Witzel | 1996-10-15 |