Ink for inkjet recording, and ink cartridge, inkjet recording method, inkjet recorder, ink-recorded matter and method of producing the ink-recorded matter using the ink
US8960885B2 · kind B2 · utility
7Cited by
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2Claims
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Key dates
| Filing date | Dec 4, 2013 |
| Grant date | Feb 24, 2015 |
| Priority date | — |
| Expiry date | Dec 4, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24901
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink for inkjet recording, which is used for recording on a paper having a concentration of an eluted Ca ion of from 1.0×10−4 to 5.0×10−4 g/g when dipped in pure water. The ink includes at least a pigment, a pigment dispersant, a water-soluble organic solvent and water. The pigment dispersant is a copolymer synthesized using at least (1) unsaturated ethylene monomer having a phosphoric acid group or a phosphonic acid group and (2) unsaturated ethylene monomer having an alkyl group having 12 to 22 carbon atoms.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.