US6841785B2 - Photoluminescent floor tile - Google Patents
A photoluminescent tile composition made of a tile base and a matrix of ... This is a continuation-in-part of my co-pending U.S. application Ser. No. ... Buildings are provided with emergency signs marking exits and fire escape routes. .... These photoluminescent pigments are each characterized by low toxicity, short excitation ...
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lumigtech's website is lumigtech.com