Azo pigment, and pigment dispersion, coloring composition and ink composition for inkjet recording containing the same
US8142519B2 · kind B2 · utility
0Cited by
2References
19Claims
0Family size
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Key dates
| Filing date | Sep 3, 2008 |
| Grant date | Mar 27, 2012 |
| Priority date | — |
| Expiry date | Dec 8, 2028 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B5/223
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
A monoazo pigment is represented by the general formula (1), a tautomer of the monoazo pigment, and a salt or a hydrate thereof:in which R1, P1, and Q1 each independently represents a hydrogen or a substituent, G represents the non-metallic atoms necessary to complete a 5- to 6-membered heterocyclic group, W represents a substituent capable of binding to the heterocyclic group constituted by G, t represents an integer of from 0 to 5, Het-1 represents a group selected from the aromatic heterocyclic groups represented by the general formula (2) as recited in the claims and disclosure of the invention.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.