Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| RE37087 | Insecticidal triffluormethyl alkane derivatives | Helga Franke, Hans-Rudolf Kruger, Hartmut Joppien, Dietrich Baumert, David Giles | 2001-03-06 |
| 4795376 | Initiator terminal block | Horst Conrad, Wolfgang Schild | 1989-01-03 |
| 4791123 | Insecticidal triffluormethyl alkane derivatives | Helga Franke, Hans-Rudolf Kruger, Hartmut Joppien, Dietrich Baumert, David Giles | 1988-12-13 |
| 4743622 | Certain diaryl-pentane derivatives having pesticidal properties | Helga Franke, Hans-Rudolf Kruger, Hartmut Joppien | 1988-05-10 |
| 4714710 | Insecticidal and acaricidal oxetane and thietane derivatives, compositions, and method of use therefor | Hartmut Joppien, Helga Franke | 1987-12-22 |
| 4701563 | Difluorocyclopropane derivatives and their preparation, as well as pesticidal compositions based on these compounds | Hartmut Joppien, Helga Franke | 1987-10-20 |
| 4678811 | Substituted benzylethers, pesticides containing these compounds and method for their preparation | Helga Franke, Hans-Rudolf Kruger, Hartmut Joppien | 1987-07-07 |
| 4529261 | Clamping connector for electrical conductors | Paul Stenz, Gunter Rubroder, Rainer Schulze, Bernd Haller, Horst Conrad +1 more | 1985-07-16 |
| 4479822 | Substituted carbanilic acid esters and herbicidal composition containing same | Friedrich Arndt, Erich Schmidt, Reinhold Puttner | 1984-10-30 |
| 4472434 | Acyl ureas, insecticides containing these compounds as well as methods for their production | Hartmut Joppien | 1984-09-18 |
| 4276309 | Acylurea insecticides | Hartmut Joppien | 1981-06-30 |