Record receiver having plural interactive leaves or a colorless
Having a colorless color-former, developer therefor, or...
Identified reactant isolating material or capsule wall...
Inventor
active
Method for producing amine-formaldehyde microcapsules and photos
Microcapsule coating compositions containing coupling agents for
Photosensitive microcapsule imaging system having improved gray
Process for producing encapsulated photosensitive composition by
Recording sheet having improved cohesion and adhesion of microca
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