Ludwig Emmel

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Bergen-Enkheim, DT

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Patents Grantslast 30 patents

Information Patent Grant
Mono- and dithiophosphonic acid esters and their use as pesticides
- Patent number 4,002,743
- Issue date Jan 11, 1977
- Hoechst Aktiengesellschaft
- Gerhard Stahler
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
5-Homothiochromanyl-(di)-phosphoric (-phosphonic) acid esters
- Patent number 3,948,945
- Issue date Apr 6, 1976
- Hoechst Aktiengesellschaft
- Gerhard Horlein
- C07 - ORGANIC CHEMISTRY