4. Record receiver having plural interactive leaves or a colorless
  5. Having a colorless color-former, developer therefor, or...
  6. Having nonchromogenic liquid spread-control or...

Ponnampalam Mathiaparanam

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Bis-(indoly)ethylenes record systems utilizing such compounds

Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Identified color-former
Patent

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Bis-(indolyl)ethylenes

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

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Bis-(indolyl)ethylenes

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

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Bis-(indolyl)ethylenes: process for their preparation

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

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Di(bis-(indolyl)ethylenyl)tetrahalophtalides

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

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Profile ID: LFUS-PAI-P-355766

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