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US07972427B2 Aqueous formulation comprising low visibility naphthalocyanine dye 有权
包含低能见度萘酞菁染料的水性制剂

Aqueous formulation comprising low visibility naphthalocyanine dye
Abstract:
An aqueous formulation comprises a sulfonated water-soluble IR-absorbing naphthalocyanine dye having a central metal atom moiety. A pH of the formulation is in the range of 4 to 6.5, which minimizes visibility of the formulation.
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