4. Organic compounds -- part of the class 532-570 series
  5. Organic compounds
  6. Chalcogen in the nitrogen containing substituent

Josef-Walter Stawitz

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Bridged perinones/quinophthalones

Organic compounds -- part of the class 532-570 series – Organic compounds – Heterocyclic carbon compounds containing a hetero ring...
Reexamination Certificate

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Crystal form of a perinone dye

Bleaching and dyeing; fluid treatment and chemical modification – Dry dye composition other than mere mixture of two or more... – Dye in specified form other than mere powder
Reexamination Certificate

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Dyestuff mixtures of metal phthalocyanine and pyridone azo react

Bleaching and dyeing; fluid treatment and chemical modification – Reactive dye composition – process – or product – Alkylene sulfato – halotriazine – halodiazine,...
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Optical data carrier comprising a cyanine dye as...

Drug – bio-affecting and body treating compositions – Designated organic active ingredient containing – Heterocyclic carbon compounds containing a hetero ring...
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Optical data carrier comprising a cyanine dye as...

Stock material or miscellaneous articles – Circular sheet or circular blank
Reexamination Certificate

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Profile ID: LFUS-PAI-P-1048093

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