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US 11,597,850 B2Granted
Ink fluid set for printing on offset media
AssigneeDupont Electronics, Inc.
InventorsXiaoqing Li, Christian Jackson, C Chad Roberts
Life of this patent
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Abstract
The present disclosure provides an ink fluid set containing an aqueous pretreatment composition and an aqueous inkjet ink. This ink fluid set is particularly suitable for printing on offset coated media.
Claims20
An inkjet printing fluid set comprising:
- a) an aqueous pretreatment composition comprising an ink-aggregating agent, an ink-nonaggregating polymer, and a surfactant;
- wherein said ink-aggregating agent is one or more members selected from a cationic polymer, a multivalent metal salt, an organic acid and mixtures thereof;
- and
- b) an aqueous inkjet ink comprising a cross-linked polymeric pigment dispersion and an aqueous vehicle, wherein said cross-linked pigment dispersion is made by dispersing said pigment with a polymeric dispersant followed by reaction with a cross-linking agent.
1 more element
Dependencies are inferred from the claim text.