Pigment-dispersed aqueous recording liquid and printed material
US7348368B2 · kind B2 · utility
40Cited by
9References
15Claims
0Family size
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Key dates
| Filing date | Mar 3, 2004 |
| Grant date | Mar 25, 2008 |
| Priority date | — |
| Expiry date | Nov 30, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24802
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A pigment-dispersed aqueous recording liquid containing at least a pigment and a resin, which comprises from 60 to 200 parts by weight of the resin to 100 parts by weight of the pigment, wherein at least one of the resin is a water-dispersible urethane type resin, a weight fraction of a polyurethane urea part of which is at most 2.0 wt % to the urethane resin, and the pigment dispersed in the recording liquid has a dispersion particle size D50 of from 40 to 100 nm.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.