4. Compositions
  5. Light transmission modifying compositions
  6. Displaying color change

Herbert Zinner

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Diaryl-2H-naphthopyrans

Compositions – Light transmission modifying compositions – Displaying color change
Reexamination Certificate

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Diaryl-2H-naphthopyrans

Compositions – Light transmission modifying compositions – Displaying color change
Patent

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Diaryl-2h-napthopyrans

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

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High index curable photochromic composition and its process

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...
Reexamination Certificate

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Photochromic 3H-naphthopyrans

Compositions – Light transmission modifying compositions – Displaying color change
Patent

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Profile ID: LFUS-PAI-P-317019

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