Dispersion of a water-insoluble colorant, production method thereof, recording liquid, ink set, printed article, image-forming method and image-forming apparatus using the same
US8133312B2 · kind B2 · utility
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22Claims
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Key dates
| Filing date | Oct 28, 2008 |
| Grant date | Mar 13, 2012 |
| Priority date | — |
| Expiry date | Jun 16, 2030 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24802
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A dispersion having particles of a water-insoluble colorant containing at least two kinds of pigments dispersed with a dispersing agent in a medium containing water, wherein the water-insoluble colorant has a crystalline structure, and a light-scattering intensity is 30,000 cps or less, when a peak value of absorbance in the visible light region is set to 1.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.