Issued Patents All Time
Showing 1–4 of 4 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4639463 | Substituted phenylsulfonyloxybenzimidazolecarbamates and anthelmintic compositions | Manfred Rosner, Dieter Duwel, Reinhard Kirsch | 1987-01-27 |
| 4504490 | Substituted benzenesulfonic esters and their use as medicaments for combatting helminths | Manfred Rosner, Josef Urbanietz, Dieter Duwel, Reinhard Kirsch | 1985-03-12 |
| 4254143 | Monocarboxylates of phenylguanidinesulfonic acid esters, a process for their manufacture, compositions containing them and their use for combating helminths | Josef Urbanietz, Dieter Duwel, Reinhard Kirsch | 1981-03-03 |
| 4216161 | 3,4-Diaminophenyl sulfonic acid esters | Josef Urbanietz, Dieter Duwel, Reinhard Kirsch | 1980-08-05 |