Invention Grant
US08778073B2 Phthalocyanine dye with extended conjugation, ink and detection system using same 有权
具有延伸共轭的酞菁染料,油墨和使用其的检测系统

Phthalocyanine dye with extended conjugation, ink and detection system using same
Abstract:
A phthalocyanine dye with extended conjugation includes one or both of a phthalocyanine component and a naphthalocyanine component and at least one water soluble substituent on an aryl group of the phthalocyanine dye. The extended conjugation of the phthalocyanine dye includes at least one benzene moiety of the component being one of (a) joined to an aryl group either indirectly using an alkylene linkage or directly, (b) joined to a benzene moiety of another of the components to form an oligomer of the components, and (c) a combination of (a) and (b). The extended conjugation shifts absorption of the phthalocyanine dye to greater than 800 nm.
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