Issued Patents All Time
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5569758 | Preparation of metal-free phthalocyanines | Ingo Klopp, Ulrich Frick, Otto Schiller | 1996-10-29 |
PO
Peter B ottcher
Overall (All Time): #3,755,911 of 4,157,543Top 95%
1
Patents All Time