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...

Horst W. Heyer

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First sheet for copysets

Record receiver having plural interactive leaves or a colorless – Having a colorless color-former – developer therefor – or... – Having nonchromogenic liquid spread-control or...
Patent

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Process for the manufacture of paper webs having CF or CB layers

Coating processes – Transfer or copy sheet making – Coating opposite sides or forming plural or nonuniform coats
Patent

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Profile ID: LFUS-PAI-P-917242

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