Infrared fluorescent composition having polyvinyl acetal binder
OwnerThomas J. Widzinski, Judith A. Bose +2inventors
InventorsThomas J. Widzinski, Judith A. Bose, Thomas D. Pawlik, Myra Toffolon Olm
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Abstract
A composition is disclosed that includes a dye that fluoresces in the infrared region of the electromagnetic spectrum and a polyvinyl acetal binder. The weight ratio of the dye relative to the combined weight of the dye and binder is in a range of 0.001 to 0.025.
Claims11
A composition, comprising a dye that fluoresces in the infrared region of the electromagnetic spectrum and a binder including a polyvinyl acetal.
A composition, comprising a dye that fluoresces in the infrared region of the electromagnetic spectrum and a binder including polyvinyl acetal, wherein the weight ratio of the dye relative to the combined weight of the dye and binder is in a range of 0.001 to 0.025.
Dependencies are inferred from the claim text.