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Dieter Werthemann
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Basel, CH
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last 30 patents
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Patent Grant
Assay method for hemicellulases using a colored substrate
Patent number
5,496,707
Issue date
Mar 5, 1996
Ciba-Geigy Corporation
Beat Freiermuth
C12 - BIOCHEMISTRY BEER SPIRITS WINE VINEGAR MICROBIOLOGY ENZYMOLOGY MUTATION...
Information
Patent Grant
Process for dyeing cellulosic textile material with disperse dyes
Patent number
5,298,032
Issue date
Mar 29, 1994
Ciba-Geigy Corporation
Wolfgang Schlenker
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for the fluorescent whitening of hydrophobic textile materi...
Patent number
5,269,815
Issue date
Dec 14, 1993
Ciba-Geigy Corporation
Wolfgang Schlenker
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for sizing paper with anionic hydrophobic sizing agents and...
Patent number
5,201,998
Issue date
Apr 13, 1993
Ciba-Geigy Corporation
Rosemarie Topfl
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for dyeing hydrophobic textile material with disperse dyes...
Patent number
5,199,956
Issue date
Apr 6, 1993
Ciba-Geigy Corporation
Wolfgang Schlenker
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for sizing paper with anionic hydrophobic sizing agents and...
Patent number
4,627,889
Issue date
Dec 9, 1986
Ciba-Geigy Corporation
Michael Bernheim
C07 - ORGANIC CHEMISTRY
Information
Patent Grant
Process for sizing paper with anionic hydrophobic sizing agents and...
Patent number
4,623,428
Issue date
Nov 18, 1986
Ciba-Geigy Corporation
Michael Bernheim
C07 - ORGANIC CHEMISTRY