Hans-Rudolf Marfurt

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Rheinfelden, CH

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Patents Grantslast 30 patents

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Separation and purification of pigment suspensions and suspensions...
- Patent number 4,810,390
- Issue date Mar 7, 1989
- Ciba-Geigy Corporation
- Klaus Flierl
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Process for converting sparingly soluble salts of anionic dyes and...
- Patent number 4,560,480
- Issue date Dec 24, 1985
- Ciba-Geigy Corporation
- Roger Lacroix
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
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
Device for sampling fluid
- Patent number 4,102,368
- Issue date Jul 25, 1978
- Ciba-Geigy AG
- Hans Rudolf Marfurt
- G01 - MEASURING TESTING