Importance

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Abstract

A coating composition including at least one solvent, at least one resin, at least one drier, and an anti-skinning agent is provided, an anti-skinning composition, wherein the anti-skinning composition comprises at least 92 wt. %, or more particularly at least 98 wt. %, of an alkyl oxime having five carbon atoms selected from 2-pentanone oxime and 3-methyl-2-butanone oxime. In some embodiments, the high-purity 2-pentanone oxime includes less than 0.5 wt. % methyl isobutyl ketoxime. In some embodiments, the composition includes less than 0.006 wt. % methyl isobutyl ketoxime. A method for the preparation of a purified 2-pentanone stream suitable for oximation to a high-purity 2-pentanone oxime is also provided.

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First Claim