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US 4,105,506 AGranted
Polymerization inhibitor for vinyl aromatic compounds
AssigneeCosden Technology, Inc.
InventorJames M. Watson
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Abstract
Disclosed is a process for the distillation of readily polymerizable vinyl aromatic compounds and a new polymerization inhibitor therefor. The process comprises subjecting a vinyl aromatic compound to elevated temperatures in a distillation system in the presence of a new polymerization inhibitor comprising 2,6-dinitro-p-cresol.
Claims11
A process for inhibiting the polymerization of a readily polymerizable vinyl aromatic compound at elevated temperatures, which comprises subjecting said compound to said elevated temperatures in the presence of a polymerization inhibitor comprising 2,6-dinitro-p-cresol.
Dependencies are inferred from the claim text.