Infrared absorbing N-alkylsulfate cyanine compounds

Details Infrared absorbing N-alkylsulfate cyanine compounds Infrared absorbing N-alkylsulfate cyanine compounds

2006-03-28

2006-03-28

Lee, Sin (Department: 1752)

Radiation imagery chemistry: process, composition, or product th

Imaging affecting physical property of radiation sensitive...

Radiation sensitive composition or product or process of making

C430S944000, C430S964000, C430S905000

Reexamination Certificate

active

07018775

ABSTRACT:
Infrared absorbing N-alkylsulfate cyanine compounds and imageable compositions containing the compounds are disclosed. The compounds have the structure I:in which:R is hydrogen, or R is one or more alkyl, substituted or unsubstituted aralkyl, alkoxy, carboxyl, nitro, cyano, trifluoromethyl, acyl, alkyl sulfonyl, aryl sulfonyl, or halogen groups, or R is the atoms necessary to form a substituted or unsubstituted benzo group;A is (CH2)n; where n is 1–5; preferably 2–4;Y is O, S, NR′, or C(R′)2, where R′ is hydrogen or alkyl; preferably methyl;Z is hydrogen, halogen, alkyl, substituted or unsubstituted aralkyl; substituted or unsubstituted aroxyl, substituted or unsubstituted thioaroxyl, or substituted or unsubstituted diphenylamino;m is zero or one; andX is a cation, preferably sodium, potassium, lithium, ammonium, or substituted ammonium.

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