containing acid groups

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Patents Grantslast 30 patents

Information Patent Grant
Azodyes containing a sulfoacetoacetic acid anilide coupling component
- Patent number 5,302,704
- Issue date Apr 12, 1994
- Ciba-Geigy Corporation
- Jean-Marie Adam
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Concentrated, aqueous solutions of salts of acetoacetylamino-arylsu...
- Patent number 4,399,068
- Issue date Aug 16, 1983
- Bayer Aktiengesellschaft
- Erich Kramer
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
Use of water-soluble disazo dyestuffs for dyeing or printing synthe...
- Patent number 4,052,157
- Issue date Oct 4, 1977
- Hoechst Aktiengesellschaft
- Hermann Fuchs
- D06 - TREATMENT OF TEXTILES OR THE LIKE LAUNDERING FLEXIBLE MATERIALS NOT OTH...
Information Patent Grant
Water-soluble azo dyes having a 2-acetoacetamidofluorenyl coupling...
- Patent number 4,017,478
- Issue date Apr 12, 1977
- Sandoz Ltd.
- Jacky Dore
- C07 - ORGANIC CHEMISTRY
Information Patent Grant
2971045
- Patent number 2,971,045
- Issue date Feb 7, 1961
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...
Information Patent Grant
2474024
- Patent number 2,474,024
- Issue date Jun 21, 1949
- C09 - DYES PAINTS POLISHES NATURAL RESINS ADHESIVES MISCELLANEOUS COMPOSITION...