US Patent 7179308 Ethylenically-unsaturated blue anthraquinone dyes
Patent 7179308 was granted and assigned to Eastman Chemical Company on February, 2007 by the United States Patent and Trademark Office.
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This invention pertains to certain novel colorant compounds containing one or more ethylenically-unsaturated, photopolymerizable radicals that may be copolymerized (or cured) with ethylenically-unsaturated monomers to produce colored compositions such as colored acrylic polymers. Suitable compositions having the present colorants copolymerized therein include, e.g., polymers produced from acrylate and methacrylate esters, colored polystyrenes, and similar colored polymeric materials derived from other ethylenically-unsaturated monomers. The present invention also pertains to processes for preparing the photopolymerizable colorant compounds. The ethylenically unsaturated colorant compounds may be suitable for use in coatings that are applied to wood, glass, metal, thermoplastics and the like.
US Patent 07179308 Ethylenically-unsaturated blue anthraquinone dyes US Patent 7179308 Ethylenically-unsaturated blue anthraquinone dyes
US Patent 07179308 Ethylenically-unsaturated blue anthraquinone dyes
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