Issued Patents All Time
Showing 26–27 of 27 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4254143 | Monocarboxylates of phenylguanidinesulfonic acid esters, a process for their manufacture, compositions containing them and their use for combating helminths | Heinz Loewe, Josef Urbanietz, Dieter Duwel | 1981-03-03 |
| 4216161 | 3,4-Diaminophenyl sulfonic acid esters | Heinz Loewe, Josef Urbanietz, Dieter Duwel | 1980-08-05 |