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US 5,494,759 AGranted
Ink jet printing material
AssigneeFelix Schoeller jr. Foto-und Spezialpapiere GmbH & Co. KG
InventorsDavid R. Williams, William L. Quartz, Klaus B. Kasper, Dieter Becker, Gerhard Dransmann
Life of this patent
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Abstract
Ink jet printing materials comprise a support and an ink receiving layer containing a pigment, a hydrophilic binder comprising polyvinyl alcohol, vinylpyrrolidone homopolymer and/or vinylpyrrolidone copolymer, and a quaternary ammonium compound.
Claims16
Ink jet printing material comprising
- a support, and
- an ink receiving layer containing
- (a) a pigment,
- (b) a hydrophilic binder comprising a mixture of polyvinyl alcohol, polyvinylpyrrolidone, and a vinyl acetate homopolymer and/or vinyl acetate alkyl acrylate copolymer, and
- (c) a quaternary ammonium compound.
2 more elements
Dependencies are inferred from the claim text.