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Walter Lang
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Pfeffingen, CH
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last 30 patents
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Patent Grant
Process for producing solutions of salts of water-soluble carboxyli...
Patent number
4,245,990
Issue date
Jan 20, 1981
Ciba-Geigy Corporation
Peter Loew
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Stable, concentrated dispersions of basic dyestuffs
Patent number
4,150,947
Issue date
Apr 24, 1979
Ciba-Geigy AG
Walter Lang
D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information
Patent Grant
Process for the production of solutions of lower aliphatic carboxyl...
Patent number
4,095,943
Issue date
Jun 20, 1978
Ciba-Geigy Corporation
Walter Lang
C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...