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    • 2. 发明授权
    • Method of applying a fluorescent marking composition
    • 应用荧光标记组合物的方法
    • US5149138A
    • 1992-09-22
    • US572564
    • 1990-08-27
    • Michael D. Zemsky
    • Michael D. Zemsky
    • D06P1/00D06P1/642D06P1/92D21H21/30
    • D06P1/0012D06P1/6426D06P1/924D21H21/30
    • A composition for rendering materials fluorescent substantially without visible trace comprises an organic fluorescent compound dissolved in a solvent characterized by a boiling point or distillation range at atmospheric pressure of between about 12.degree.-35.degree. C. The preferred composition comprises fluorescent azoles, such as 2-(o-Hydroxyphenyl)benzoxazole, 2-(o-Hydroxyphenyl)benoxazole, and derivatives thereof dissolved in volatile halocarbon solvents, such as Fluorotrichlormethane, 1,1-Dichloro-1-Fluoroethane, and 2,2-Dichloro-1,1,1-Trifluoroethane. The resultant product is particularly suited for marking currency, papers, fabrics, and other porous webs and surfaces. Treated surfaces appear normal in white light, are highly fluorescent under UV light and feature excellent transfer of the fluorescent compound to fingertips and other surfaces in direct or glancing contact.
    • 用于制备基本上没有可见痕迹的荧光材料的组合物包括溶解在特征在沸点或蒸馏范围在大气压下在约12-35℃之间的溶剂中的有机荧光化合物。优选的组合物包括荧光唑,例如2 - (邻羟基苯基)苯并恶唑,2-(邻羟苯基)苯并恶唑及其衍生物,溶于挥发性卤代烃溶剂如氟化富烷基甲烷,1,1-二氯-1-氟乙烷和2,2-二氯-1,1 ,1-三氟乙烷。 所得产品特别适用于标记货币,纸张,织物和其他多孔网和表面。 经处理的表面在白光下看起来正常,在紫外光下高度荧光,并且将荧光化合物极好地转移到指尖和其他表面,直接或瞥见接触。