4. Bleaching and dyeing; fluid treatment and chemical modification
  5. Dye or potential dye composition, additive, treatment,...
  6. Fluorescent dye, e.g., stilbene, benzimidazole, benzoxazole,...

John Martin Farrar

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Amphoteric optical brighteners, their aqueous solutions,...

Organic compounds -- part of the class 532-570 series – Organic compounds – Four or more ring nitrogens in the bicyclo ring system
Reexamination Certificate

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Cationically modified white pigments, their production and use

Paper making and fiber liberation – Processes and products – With coating after drying
Reexamination Certificate

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Optical brighteners compositions their production and their use

Compositions – Organic luminescent material containing compositions – Optical brightening compositions
Reexamination Certificate

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Optical brighteners their composition their production and...

Compositions – Organic luminescent material containing compositions – Optical brightening compositions
Reexamination Certificate

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Optical brightening agents

Bleaching and dyeing; fluid treatment and chemical modification – Dye or potential dye composition – additive – treatment,... – Fluorescent dye – e.g. – stilbene – benzimidazole – benzoxazole,...
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Profile ID: LFUS-PAI-P-506539

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