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

Toru Ashida

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Disazo compound or salt thereof and polarizing film using...

Compositions – Light transmission modifying compositions – Producing polarized light
Reexamination Certificate

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Poly-azo compound, and polarization film having said compound

Stock material or miscellaneous articles – Liquid crystal optical display having layer of specified... – With viewing layer of specified composition
Reexamination Certificate

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Polyazo compound or salt thereof and dye-based polarization...

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

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Polyazo compound or salt thereof and dye-based polarization...

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

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Triphenodioxazine compound, method for preparing the same,...

Organic compounds -- part of the class 532-570 series – Organic compounds – Chalcogen in the nitrogen containing substituent
Reexamination Certificate

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Profile ID: LFUS-PAI-P-2091810

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