Issued Patents All Time
Showing 1–9 of 9 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4782090 | Benzoyl(thio)urea pesticides | Wilhelm Sirrenberg, Benedikt Becker, Wolfgang Behrenz, Wilhelm Stendel | 1988-11-01 |
| 4774260 | Novel benzoylurea pesticides | Wilhelm Sirrenberg, Erich Klauke, Benedikt Becker, Wilhelm Stendel | 1988-09-27 |
| 4611003 | N-substituted benzoyl-N'-3,4-tetrafluoroethylenedioxy-urea pesticides | Albrecht Marhold, Wilhelm Sirrenberg, Erich Klauke, Ingeborg Hammann, Benedikt Becker +1 more | 1986-09-09 |
| 4564631 | Baits for combating vermin | Alfred Elbert, Wolfgang Behrenz | 1986-01-14 |
| 4536587 | Combating pests with substituted benzoyl-(thio)ureas | Wilhelm Sirrenberg, Albrecht Marhold, Ingeborg Hammann, Wilhelm Stendel | 1985-08-20 |
| 4465682 | Combating pests with substituted 3,6-diphenyl-3,4-dihydro-2H-1,3,5-oxadiazine-2,4-diones | Wilhelm Sirrenberg, Erich Klauke, Ingeborg Hammann, Wilhelm Stendel | 1984-08-14 |
| 4348394 | Combating pests with substituted 3,6-diphenyl-3,4-dihydro-2H-1,3,5-oxadiazine-2,4-diones | Wilhelm Sirrenberg, Erich Klauke, Ingeborg Hammann, Wilhelm Stendel | 1982-09-07 |
| 4277499 | Combating insects with N-(substituted-phenyl)-N-(2-chloro-6-fluoro-benzoyl)-ureas | Wilhelm Sirrenberg, Erich Klauke, Albrecht Marhold, Ingeborg Hammann, Wilhelm Stendel | 1981-07-07 |
| 4276310 | Combating pests with N-(4-substituted-phenyl)-N'-(2-substituted-benzoyl)-thioureas | Wilhelm Sirrenberg, Erich Klauke, Ingeborg Hammann, Peter Kraus, Wilhelm Stendel | 1981-06-30 |