Hydrophilic coloring matter for recording image, aqueous coloring agent for recording image, method and device for recording image
US7135062B2 · kind B2 · utility
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20Claims
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Key dates
| Filing date | Jun 11, 2004 |
| Grant date | Nov 14, 2006 |
| Priority date | — |
| Expiry date | Jun 18, 2024 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC09B69/00
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
Image-recording, hydrophilic colorants having an organic pigment linked to a hydrophilic compound through a linking group and which are capable of forming images excellent in print quality such as chroma, gloss, density, light fastness and abrasion fastness, and also as hydrophilic colorants capable of affording inks excellent in physical properties such as long-term storability and press stability are described.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.