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Heinz Balli
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Riehen, CH
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last 30 patents
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Patent Grant
Chromogenic dihydroquinazolines
Patent number
4,562,449
Issue date
Dec 31, 1985
Ciba-Geigy Corporation
Heinz Balli
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Chromenoazaindolizine compounds
Patent number
4,506,073
Issue date
Mar 19, 1985
Ciba-Geigy Corporation
Heinz Balli
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Chromogenic dihydroquinazolines
Patent number
4,503,227
Issue date
Mar 5, 1985
Ciba-Geigy Corporation
Heinz Balli
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Chromenoindole color formers
Patent number
4,174,856
Issue date
Nov 20, 1979
Ciba-Geigy Corporation
Heinz Balli
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Chromenoindole compounds
Patent number
4,123,439
Issue date
Oct 31, 1978
Ciba-Geigy Corporation
Heinz Balli
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Certain naphthofurans and method for their manufacture
Patent number
4,057,562
Issue date
Nov 8, 1977
Ciba-Geigy Corporation
Heinz Balli
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Furanes, their manufacture and use
Patent number
3,974,180
Issue date
Aug 10, 1976
Ciba-Geigy Corporation
Heinz Balli
C07 - ORGANIC CHEMISTRY