Two-step method of making copolymerizable, ultraviolet light absorber _2-cyano-3,3-diphenylacryloxy) alkylene acrylic acid esters
This invention relates to a method of making in high yield light absorber compounds which are (2-cyano-3,3-diphenylacryloxy) alkylene acrylic acid esters having the formula: STR1 where (Ar)1 and (Ar)2 are aromatic carbocyclic nuclei
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(2008/06/13)
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