John M. Gerdes

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Fairfax, CA, US

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Patents Grantslast 30 patents

Information Patent Grant
Arylindazoles and their use as herbicides
- Patent number 5,928,998
- Issue date Jul 27, 1999
- Zeneca Limited
- Donald R. James
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Herbicidal aza bisphosphonic acids and compositions containing the...
- Patent number 5,728,650
- Issue date Mar 17, 1998
- Zeneca Limited
- Karl J. Fisher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Arylindazoles and their use as herbicides
- Patent number 5,444,038
- Issue date Aug 22, 1995
- Zeneca Limited
- Donald R. James
- C07 - ORGANIC CHEMISTRY