Heinz R. Feist

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Greenwich, CT, US

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Patents Grantslast 30 patents

Information Patent Grant
Process for producing carboxylic acid esters from carboxylic acid h...
- Patent number 5,405,991
- Issue date Apr 11, 1995
- Heinz-Rudi Feist
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Sorption of carboxylic acids by means of rubber
- Patent number 5,236,597
- Issue date Aug 17, 1993
- Solvay Umweltchemie GmbH
- Heinz R. Feist
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE