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Hans Rudolf Schwander
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Riehen, CH
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last 30 patents
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Patent Grant
Method of dyeing with dispersible azo anilino dyestuffs
Patent number
4,152,114
Issue date
May 1, 1979
Ciba-Geigy AG
Stefan Koller
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Method of dyeing with dispersible azo anilino dyestuffs
Patent number
4,099,909
Issue date
Jul 11, 1978
Ciba-Geigy AG
Stefan Koller
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information
Patent Grant
Method of dyeing with dispersible azo anilino dyestuffs
Patent number
3,963,431
Issue date
Jun 15, 1976
Ciba-Geigy AG
Stefan Koller
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...