Substrate having IR-absorbing dye disposed thereon

Details Substrate having IR-absorbing dye disposed thereon Substrate having IR-absorbing dye disposed thereon

2008-11-03

2009-08-25

Klemanski, Helene (Department: 1793)

Stock material or miscellaneous articles

Structurally defined web or sheet

Discontinuous or differential coating, impregnation or bond

C428S211100, C106S031470, C106S031490

Reexamination Certificate

active

07579064

ABSTRACT:
A substrate having an IR-absorbing dye disposed thereon. The dye is a naphthalocyanine dye of formula (I):whereinM is a metal group or is absentR1and R2are independently selected from the group consisting of: hydrogen and C1-12alkoxy;X is selected from the group consisting of: O, S and˜NH˜;Ar1, Ar2, Ar3, Ar4, Ar5, Ar6, Ar7and Ar8are selected from the group consisting of: phenyl, naphthyl, pyridyl, furanyl, pyrollyl and thiophenyl, each of Ar1, Ar2, Ar3, Ar4, Ar5, Ar6, Ar7and Ar8being optionally substituted with 1, 2, 3, 4 or 5 groups, each group being independently selected from the group consisting of: C1-12alkyl, C1-12alkoxy, C1-12arylalkyl, C1-12arylalkoxy18, (OCH2CH2)dORd, cyano, halogen, amino, hydroxyl, thiol, —SRv, —NRuRv, nitro, phenyl, phenoxy˜, CO2Rv˜, C(O)Rv˜, OCORv˜, SO2Rv˜, OSO2Rv˜, NHC(O)Rv,˜CONRuRv˜, CONRuRv, sulfonic acid, sulfonic acid salt and sulfonamide;d is an integer from 2 to 5000;Rdis H, C1-8alkyl or C(O)C1-8alkyl; andRuand Rvare independently selected from the group consisting of: hydrogen, C1-12alkyl, phenyl or phenyl—C1-8alkyl;and wherein at least one of Ar1, Ar2, Ar3, Ar4, Ar5, Ar6, Ar7and Ar8is substituted with a sulfonic acid or a sulfonic acid salt.

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