Fluorescent articles having multiple film layers

Details Fluorescent articles having multiple film layers Fluorescent articles having multiple film layers

2007-04-02

2009-11-17

Tran, Thao T. (Department: 1794)

Stock material or miscellaneous articles

Composite

C428S412000, C428S423100, C428S480000, C428S500000, C359S529000, C359S530000

Reexamination Certificate

active

07618710

ABSTRACT:
Articles are provided which have fluorescent properties and which are suitable for use in making retroreflective articles such as safety and informational signage. The articles have at least two film layers, each film layer including a colorant dye. The multiple film layer sheeting exhibits excellent resistance to weathering and overall color durability while also providing chromaticity properties dictated by industry standards for a particular coloration. A method of preparing the articles is provided. In a particular application, the articles embody retroreflective properties and are informational for safety signage articles such as pedestrian crossing and school safety fluorescent yellow green signs.

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