Karl-Heinz Fazniewscy

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Lehrte, DE

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Patents Grantslast 30 patents

Information Patent Grant
Method of preparing 1,1,1,2-tetrafluoroethane
- Patent number 5,336,817
- Issue date Aug 9, 1994
- Solvay Fluor und Derivate GmbH
- Johannes Eicher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing fluorine-containing ethane derivatives
- Patent number 5,283,381
- Issue date Feb 1, 1994
- Solvay Fluor und Derivate GmbH
- Johannes Eicher
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
Process for preparing fluorine-containing ethane derivatives
- Patent number 5,227,546
- Issue date Jul 13, 1993
- Solvay Fluor und Derivate GmbH
- Johannes Eicher
- C07 - ORGANIC CHEMISTRY