Patent · US Expired

Synthetically expedient water-dispersible IR dyes having improved lightfastness

US7148345B2 · kind B2 · utility

25Cited by
12References
11Claims
0Family size

Assignee

Inventors

Key dates

Filing dateNov 12, 2004
Grant dateDec 12, 2006
Priority date
Expiry dateNov 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.