Ink composition for inkjet recording, inkjet recording method, and inkjet recorded material
US8945294B2 · kind B2 · utility
4Cited by
2References
10Claims
0Family size
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Key dates
| Filing date | Sep 12, 2012 |
| Grant date | Feb 3, 2015 |
| Priority date | — |
| Expiry date | Apr 5, 2033 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24901
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
An ink composition having organic pigment particles, a hydrosoluble solvent; a dispersing agent, and water, wherein each of the organic pigment particles has a circularity of 2 nm or less, which is defined as a difference between radii of concentric circumscribing and inscribed circles of a contour of an image of each of the organic pigment particles taken by a transmission electron microscope when a gap between the concentric circumscribing circle and the inscribed circle is least, wherein the inscribed circle has a diameter of from 5 nm to less than 50 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.