Issued Patents All Time
Showing 1–11 of 11 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 5854252 | Dihalotriazolopyrimidine derivatives | Klaus-Jurgen Pees | 1998-12-29 |
| 5612345 | Dihalotriazolopyrimidine derivatives as fungicides | Klaus-Jurgen Pees | 1997-03-18 |
| 5607977 | Benzoylureas | Christo Drandarevski, Rudolf Mengel, Walter Ost | 1997-03-04 |
| 5336671 | Fungicidal compositions containing benzyl-tris(aryl)phosphonium salts | Guido Albert, Jurgen Curtze | 1994-08-09 |
| 4918227 | Process for the preparation of benzoyl ureas | Rudolf Mengel, Walter Ost | 1990-04-17 |
| 4910200 | Acrylic acid morpholides, fungicidal compositions and use | Jurgen Curtze, Helmut Pieper, Josef Nickl, Guido Albert, Christo Drandarevski +2 more | 1990-03-20 |
| 4622340 | Urea derivatives and pesticidal compositions containing same | Ricarda Prokic-Immel, Walter Wirtz | 1986-11-11 |
| 4478852 | Urea derivatives having a pesticidal activity | Christo Drandarevski, Sigmund Lust | 1984-10-23 |
| 4457943 | N-(2H-Difluoro-3,5-dichloro-phenyl)-N'-(2,6-difluorobenzoyl) urea derivative and pesticidal compositions containing same | Ricarda Prokic-Immel, Walter Wirtz | 1984-07-03 |
| 4344829 | Process for recovery of benzene and chlorine from waste products | — | 1982-08-17 |
| 4275077 | Insecticidal acyl urea derivatives | Richard Sehring, Walter Wirtz, Ricarda Prokic-Immel | 1981-06-23 |