Patent · US Expired

Hydrophilizable and hydrophilic cyanine dyes

US7138391B2 · kind B2 · utility

5Cited by
8References
8Claims
0Family size

Assignee

Inventors

Key dates

Filing dateAug 9, 2004
Grant dateNov 21, 2006
Priority date
Expiry dateSep 7, 2024

Classification

  • Technology area (CPC C)Chemistry; Metallurgy
  • CPC primaryC09D11/32
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

The present invention provides an IR-absorbing dye of formula (I) or (II):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.