Anthrapyridone compound or salt thereof, magenta ink composition and colored product
US7871464B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Sep 1, 2008 |
| Grant date | Jan 18, 2011 |
| Priority date | — |
| Expiry date | Sep 1, 2028 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24802
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention relates to an anthrapyridone compound represented by the following formula (1):wherein, n represents an integer number of 1 to 3, R1 represents a hydrogen atom, an alkyl group or the like, R2 represents a hydrogen atom or a methoxy group, R3 represents an anilino group having, as a substituent, at least one group selected from the group consisting of sulfo group, a carboxy group, an alkoxy group, a carbamoyl group, an cyano group, an alkyl group, an anilino group, a phenoxy group, an amino group, a hydroxy group and a mercapto group, an unsubstituted anilino group or the like, or a salt thereof, and provides a magenta coloring matter (compound) having high solubility in water and a hue and vividness which are suitable for inkjet recording and being excellent in fastnesses such as light fastness, moisture fastness and ozone gas fastness on recorded matter; and a magenta ink composition containing it.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.