Eyewear including nitrophenyl functionalized boron pyrromethene dye for neutralizing laser threat
AssigneeRevision Military Inc.
InventorsLarry Takiff, Kevin M. Bardon, Charles Lysogorski, Oliver Pentenrieder
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Abstract
The embodiments described herein generally relate to compositions and articles including dye compounds having desirable optical properties, and related methods. In some cases, the compositions and articles may possess advantageous optical properties, including various degrees of absorbance, emission, and/or transmission at particular wavelengths or ranges of wavelength. Embodiments described herein may be useful as optical filters in protective eyewear applications.
Claims26
An article, comprising:
- an optical filter including a substantially optically transparent polymer;
- and
- a boron pyrromethene compound associated with the polymer, wherein the boron pyrromethene compound comprises a nitro group.
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17-18. (canceled)
21-23. (canceled)
A composition, comprising:
- a compound having the following structure,
- wherein:
- each R1-R6 can be the same or different and each is hydrogen, halo, acyl, carboxyl, cyano, nitro, sulfonate, alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, heterocyclyl, aryl, heteroaryl, any of which is optionally substituted;
- and any two of R1-R6 can be joined to form a ring, optionally substituted;
- X is N or CR7, wherein R7 is hydrogen, halo, acyl, carboxyl, cyano, nitro, sulfonate, alkyl, alkenyl, alkynyl, cycloalkyl, cycloalkenyl, heterocyclyl, aryl, heteroaryl, any of which is optionally substituted;
- and
- Y1 and Y2 can be the same or different and each is halo, acyl, carboxyl, cyano, nitro, sulfonate, any of which is optionally substituted;
- or Y1 and Y2 are joined to form a ring, optionally substituted,
- provided that the compound includes at least one electron-withdrawing group.
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Dependencies are inferred from the claim text.