Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4757156 | Process for making tertiary alkylphosphines | Norbert Weferling, Georg Elsner, Hans-Werner Stephan | 1988-07-12 |
FF
Friedrich-Karl Frorath
Overall (All Time): #3,955,381 of 4,157,543Top 100%
1
Patents All Time