Patent · US Expired

Fluorescent materials

US7079262B2 · kind B2 · utility

5Cited by
14References
19Claims
0Family size

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Key dates

Filing dateAug 8, 2003
Grant dateJul 18, 2006
Priority date
Expiry dateSep 15, 2024

Classification

  • Technology area (CPC Y)Emerging Cross-Sectional Technologies
  • CPC primaryY10T428/26
  • WIPO fieldBasic materials chemistry
  • WIPO sectorChemistry

Abstract

According to one aspect of the present invention there is provided a coating material comprising: a functional coating component; and a fluorescent additive component whose fluorescence is substantially unquenched by the coating component, the fluorescent additive component having a peak fluorescence emission under excitation by visible or infrared light, the wavelength of that peak fluorescence emission being greater than 500 nm and lying outside the principal fluorescence absorption and emission wavelengths of the coating component.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.