August Zurrer

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Marly, CH

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Patents Grantslast 30 patents

Information Patent Grant
Process for the separation of oil-in-water emulsions by electrolysis
- Patent number 4,439,290
- Issue date Mar 27, 1984
- Ciba-Geigy Corporation
- Hans-Rudolf Marfurt
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process for purifying effluents containing proteins
- Patent number 4,271,028
- Issue date Jun 2, 1981
- Ciba-Geigy Corporation
- Hans-Rudolf Marfurt
- C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information Patent Grant
Process and apparatus for the removal of silver from fixer solutions
- Patent number 4,139,431
- Issue date Feb 13, 1979
- Ciba-Geigy AG
- Rudolf Scheidegger
- C25 - ELECTROLYTIC OR ELECTROPHORETIC PROCESSES APPARATUS THEREFOR
Information Patent Grant
Device for sampling fluid
- Patent number 4,102,368
- Issue date Jul 25, 1978
- Ciba-Geigy AG
- Hans Rudolf Marfurt
- G01 - MEASURING TESTING