Synthetically expedient water-dispersible IR dyes having improved lightfastness
US7148345B2 · kind B2 · utility
25Cited by
12References
11Claims
0Family size
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Inventors
Key dates
| Filing date | Nov 12, 2004 |
| Grant date | Dec 12, 2006 |
| Priority date | — |
| Expiry date | Nov 12, 2024 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY10T428/24934
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present invention provides an IR-absorbing naphthalocyanine dye of formula (I):wherein Dyes of this type are especially suitable for use in netpage and Hyperlabel™ systems.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.