Christa Fest

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Patents Grantslast 30 patents

Information Patent Grant
O-Alkyl-O-(N,N-dimethylformamidino)-phenylthionophosphonic acid die...
- Patent number 4,080,444
- Issue date Mar 21, 1978
- Bayer Aktiengesellschaft
- Christa Fest
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
O-alkyl-O- 4-lepidin(6)yl!-(thiono)(thiol) phosphoric (phosphonic)...
- Patent number 4,073,893
- Issue date Feb 14, 1978
- Bayer Aktiengesellschaft
- Christa Fest
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Herbicidal agents
- Patent number 4,065,292
- Issue date Dec 27, 1977
- Bayer Aktiengesellschaft
- Christa Fest
- C01 - INORGANIC CHEMISTRY