C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 18/48 (2006.01) C10L 1/00 (2006.01) C10L 1/22 (2006.01)
Patent
CA 2584238
The present invention provides highly fluorescent markers, made from a reactive polymer and an isocyanate, that fluoresce in the ultraviolet or near infrared region without being visible to the human eye at low concentrations in the fluid or article being marked. The molecular weight and fluorescence emission wavelength of these highly fluorescent marker compounds can be adjusted to provide a multitude of markers with unique fluorescence signatures.
L'invention concerne des marqueurs hautement fluorescents produits à partir d'un polymère réactif et d'un isocyanate. Ces marqueurs hautement fluorescents émettent une fluorescence dans l'ultraviolet ou la zone de l'infrarouge proche tout en demeurant invisibles à l'oeil humain à de faibles concentrations dans le fluide ou l'article marqué. Il est possible d'ajuster la masse moléculaire et la longueur d'onde d'émission de fluorescence de ces composés pour produire une multitude de marqueurs présentant des signatures de fluorescence uniques.
Bayer Materialscience Llc
Norton Rose Or S.e.n.c.r.l. S.r.l./llp
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