Issued Patents All Time
Showing 1–7 of 7 patents
| Patent # | Title | Co-Inventors | Date |
|---|---|---|---|
| 4670610 | Preparation of 2,5-dichlorophenol | — | 1987-06-02 |
| 4639438 | O,S-dialkyl-O-(substituted phenyl)-thiolphosphates as pesticides | Wolfgang Buck, Ricarda Prokic-Immel, Sigmund Lust | 1987-01-27 |
| RE31717 | 2-Chloro-3-(phenoxy or phenylthio)-6-nitro-anilines | Wolfgang Buck, Gerbert Linden, Sigmund Lust | 1984-10-30 |
| 4394159 | 2-Chloro-3-(phenoxy or phenylthio)-6-6-nitro -anilines | Wolfgang Buck, Gerbert Linden, Sigmund Lust | 1983-07-19 |
| 4364875 | Process for the preparation of certain diphenyl ethers | Wolfgang Buck | 1982-12-21 |
| 4275077 | Insecticidal acyl urea derivatives | Heinz-Manfred Becher, Walter Wirtz, Ricarda Prokic-Immel | 1981-06-23 |
| 4232172 | Process for the preparation of 3,6-dichloro-salicyclic | Manfred Becher | 1980-11-04 |