4. Organic compounds -- part of the class 532-570 series
  5. Organic compounds
  6. Azo

Michael Lennartz

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Anionic monoazo dyes

Organic compounds -- part of the class 532-570 series – Organic compounds – Azo
Reexamination Certificate

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Anionic monoazo dyes

Organic compounds -- part of the class 532-570 series – Organic compounds – Azo
Reexamination Certificate

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Dyes incorporating annionic and cationic groups

Bleaching and dyeing; fluid treatment and chemical modification – Dye or potential dye composition – additive – treatment,... – Azo – acridone – or quinone dye
Reexamination Certificate

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Yellow anionic disazo dyes

Bleaching and dyeing; fluid treatment and chemical modification – Dye or potential dye composition – additive – treatment,... – Azo – acridone – or quinone dye
Reexamination Certificate

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