Coloring composition, ink for ink jet, and ink jet recording method
US6613814B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Dec 21, 2000 |
| Grant date | Sep 2, 2003 |
| Priority date | — |
| Expiry date | Dec 21, 2020 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B67/0084
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention related to an ink for an ink jet comprising: a coloring composition containing coloring particulates dispersed in a water-based medium, the coloring particulates containing an oil-soluble polymer and an oil-soluble dye represented by at least one of following formulae (I), (II), (III), (IV), wherein R1, R2, R3 and R4 each represent a hydrogen atom or a non-metallic atomic group; X represents —OH or NR5R6; R5 and R6 each represent a hydrogen atom, an alkyl group, an aryl group or a heterocyclic group; R7, R8 and R9 each represent a hydrogen atom or a non-metallic atomic group; at least one of R1 and R2, or R2 and R5, or R5 and R6, or R6 and R3, or R3 and R4 may form a ring structure; and R7 and R8 may bind together to form a ring structure
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.