Fabic Beffa

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Riehen, CH

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Patents Grantslast 30 patents

Information Patent Grant
Asymmetric 1:2-chromium complex dyes containing two azo dyes, one c...
- Patent number 4,874,849
- Issue date Oct 17, 1989
- Ciba-Geigy Corporation
- Gerhard Back
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...