Issued Patents All Time
Showing 1–1 of 1 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4889923 | AZO compounds containing cyano and vinyl-sulfone groups, a process for their preparation and their use as dyestuffs | Peter Mischke | 1989-12-26 |
HS
Hans J. Schladetsch
Overall (All Time): #3,944,282 of 4,157,543Top 95%
1
Patents All Time