Patent · US Active

Metal-cyanine dye having improved water solubility

US7452989B2 · kind B2 · utility

2Cited by

16References

11Claims

0Family size

Assignee

Silverbrook Research Pty Ltd · AU

Inventors

Simone Charlotte Vonwiller · Forbes, AU
Scott Matthew Starling · Sydney, AU
Damon Donald Ridley · Sydney, AU
Lachlan Everett Hall · Sydney, AU
Simon Fielder · Sydney, AU
Maxine Sintic · Sydney, AU
Sutharsiny Indusegaram · Sydney, AU
Kia Silverbrook · Sydney, AU
Paul Lapstun · Sydney, AU

Key dates

Filing date	Aug 9, 2004
Grant date	Nov 18, 2008
Priority date	—
Expiry date	Aug 2, 2026

Classification

Technology area (CPC Y)Emerging Cross-Sectional Technologies
CPC primaryY10T428/31993
WIPO fieldOrganic fine chemistry
WIPO sectorChemistry

Abstract

The present invention provides an IR-absorbing metal-cyanine dye, in which the metal has at least one axial ligand bound thereto, and wherein the axial ligand comprises a hydrophilic or hydrophilizable moiety.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.