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US 8,507,054 B2Granted
Media for inkjet printing
AssigneeHewlett-Packard Development Company, L.P.
InventorsXiaoqi Zhou, Douglas E. Knight, Hai Quang Tran
Life of this patent
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Abstract
An ink-jet recording medium is disclosed which comprises a paper substrate having a surface for receiving an ink-jet ink containing a pigmented colorant. The surface is treated with at least one co-crystalline salt, which become associated with the substrate surface. The co-crystalline salt is capable of crashing pigmented colorants on the paper surface, and its use may help protect paper manufacturing equipment from corrosion.
Claims20
An ink-jet medium comprising:
- a paper substrate having a surface treated with an alkali sulfate co-crystalline salt in combination with a co-crystalline salt selected from the group consisting of multi-cation co-crystalline salts and multi-anion co-crystalline salts.
A medium comprising:
- a paper substrate having a surface treated with a multi-anion co-crystalline salt,
- wherein said multi-anion co-crystalline salt is selected from the group consisting of calcium salts of organic acids having the general formula
- Ca—R1—R2
- wherein R1 and R2 are different from each other and have the general structure —OOC—R3, wherein R3 is a saturated or monounsaturated or polyunsaturated C1-C5 alkyl, C1-C5 hydroxyakyl or phenyl group.
1 more element
A medium, comprising:
- a paper substrate having a surface treated with a multi-cation co-crystalline salt in combination with an alkali sulfate co-crystalline salt.
Dependencies are inferred from the claim text.