Robert Winkler

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Wallisellen, CH

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Patents Grantslast 30 patents

Information Patent Grant
Apparatus for preparing high-concentration alkali
- Patent number 4,927,494
- Issue date May 22, 1990
- Sulzer-Escher Wyss AG
- Robert Winkler
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Method and apparatus for preparing high-concentration alkali
- Patent number 4,830,707
- Issue date May 16, 1989
- Sulzer-Escher Wyss AG
- Robert Winkler
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Treatment of brine elutriate
- Patent number 4,547,197
- Issue date Oct 15, 1985
- Sulzer-Escher Wyss Ltd.
- Robert Winkler
- C01 - INORGANIC CHEMISTRY
Information Patent Grant
Treating remains containing sodium chloride and sodium sulphate
- Patent number 3,998,709
- Issue date Dec 21, 1976
- Escher Wyss Limited
- Robert Winkler
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Concentrating sodium or potassium hydroxide
- Patent number 3,997,389
- Issue date Dec 14, 1976
- Escher Wyss Limited
- Robert Winkler
- C01 - INORGANIC CHEMISTRY