Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4182731 | Preparation of aqueous solutions or fine aqueous dispersions of polyenyltriarylphosphonium salts | Bernhard Schulz, Paul Grafen, Hans-Ulrich Scholz, Werner Reif | 1980-01-08 |
HG
Hans Grassner
Overall (All Time): #4,103,973 of 4,157,543Top 100%
1
Patents All Time