Method of printing an IR-absorbing dye onto a substrate

Details Method of printing an IR-absorbing dye onto a substrate Method of printing an IR-absorbing dye onto a substrate

2008-11-03

2010-11-02

Wilson, James O. (Department: 1624)

Drug, bio-affecting and body treating compositions

Designated organic active ingredient containing

Heterocyclic carbon compounds containing a hetero ring...

C493S187000, C540S145000, C514S410000

Reexamination Certificate

active

07825108

ABSTRACT:
A method of printing an IR-absorbing dye onto a substrate whilst minimizing visible coloration of the substrate. The method comprises: (i) preselecting the dye from a metal-cyanine of formula (I):Q1, Q2, Q3and Q4are the same or different and are independently selected from a C3-20arylene group or a C3-20heteroarylene group;M is selected from Si(A1)(A2), Ge(A1)(A2), Ga(A1), Al(A1), Mn(A1), Fe(A1), Sn(A1)(A2), Pb(A1)(A2);A1and A2may be the same or different and are axial ligands comprising a group for reducing {tilde over (□)}-□ interactions between adjacent dye molecules; and (ii) printing the dye onto the substrate.

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