Stock material or miscellaneous articles – Ink jet stock for printing – Modified polyvinyl alcohol ink receptive layer
Reexamination Certificate
2005-05-17
2005-05-17
Shewareged, B. (Department: 1774)
Stock material or miscellaneous articles
Ink jet stock for printing
Modified polyvinyl alcohol ink receptive layer
C428S032300, C428S032350
Reexamination Certificate
active
06893690
ABSTRACT:
Provided is an ink jet recording sheet suitable for outdoor use, the recording sheet giving rise to no blurring of an image, being provided with an ink receiving layer and a print portion having high water-resistance and excellent abrasive resistance in a wet condition while maintaining color developing ability and ink-fixing ability and having excellent color reproducibility and light resistance. The ink jet recording sheet comprises an ink receiving layer disposed on a substrate, said ink receiving layer being formed by preparing a layer containing a porous filler and a binder by application and drying on the substrate and thereafter allowing the layer to be impregnated with a water-soluble cationic organic material, wherein said layer containing the porous filler and the binder is formed using a coating liquid having a pH of 4 or less, the amount of the water-soluble cationic organic material contained in said layer containing the porous filler and the binder after the layer is impregnated with the water-soluble cationic organic material is 2% by weight or less in terms of solid ratio to the layer and said filler is contained in an amount of 40 to 80% by weight in the total solid of the ink receiving layer.
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Nisshinbo Industries Inc.
Shewareged B.
Westerman Hattori Daniels & Adrian LLP
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