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Werner Saar
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Riehen, CH
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last 30 patents
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Patent Grant
Process for mass-coloring nylon with 1:2 chromium complex azo dye
Patent number
4,527,994
Issue date
Jul 9, 1985
Ciba-Geigy Corporation
Paul Lienhard
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...
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Patent Grant
Preparations for coloring molten thermoplastic polymers
Patent number
4,094,839
Issue date
Jun 13, 1978
Ciba-Geigy Corporation
Albert Riegler
C08 - ORGANIC MACROMOLECULAR COMPOUNDS THEIR PREPARATION OR CHEMICAL WORKING-...