Karl E. Koenig

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Ballwin, MO, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing N-phosphonomethylglycine
- Patent number 5,072,033
- Issue date Dec 10, 1991
- Monsanto Company
- Donald L. Fields
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for producing N-phosphonomethylgylcine
- Patent number 5,061,820
- Issue date Oct 29, 1991
- Monsanto Company
- Donald L. Fields
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for the preparation of iminodiacetonitrile and iminodiaceti...
- Patent number 4,948,909
- Issue date Aug 14, 1990
- Monsanto Company
- Karl E. Koenig
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Ephedrine and pseudoephedrine precursors
- Patent number 4,277,420
- Issue date Jul 7, 1981
- Monsanto Company
- Karl E. Koenig
- C07 - ORGANIC CHEMISTRY