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Heinz Pfenninger
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Lupsingen, CH
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last 30 patents
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Patent Grant
Process for treating aqueous fluids containing organic compounds an...
Patent number
4,889,633
Issue date
Dec 26, 1989
Ciba-Geigy Corporation
Heinz Pfenninger
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
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 purifying dyeing wastewaters
Patent number
4,758,347
Issue date
Jul 19, 1988
Ciba-Geigy Corporation
Alfred Henz
C02 - TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
Information
Patent Grant
Process for converting sparingly soluble inorganic salts of cationi...
Patent number
4,559,144
Issue date
Dec 17, 1985
Ciba-Geigy Corporation
Heinz Pfenninger
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for the preparation of concentrated fluid dye compositions
Patent number
4,500,321
Issue date
Feb 19, 1985
Ciba-Geigy Corporation
Paul Hugelshofer
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Process for the preparation of fluorescent brightener formulations...
Patent number
4,466,900
Issue date
Aug 21, 1984
Ciba-Geigy Corporation
Paul Horlacher
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for the preparation of solid composition of water-soluble dyes
Patent number
4,390,342
Issue date
Jun 28, 1983
Ciba-Geigy Corporation
Beat Bruttel
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...