ALEXANDRIA, Va., Feb. 19 -- United States Patent no. 12,227,470, issued on Feb. 18, was assigned to ARKEMA FRANCE (Colombes, France).
"Purification of alkyl hydroperoxide by extractive distillation" was invented by Bruno Van Hemelryck (Pierre-Benite, France), Serge Hub (Pierre-Benite, France) and Philippe Maj (Pierre-Benite, France).
According to the abstract* released by the U.S. Patent & Trademark Office: "The invention relates to a method for purifying an alkyl hydroperoxide from dialkyl peroxide thereof, comprising a step of distillation in the presence of alcohol and water followed by extraction of the condensates using a hydrocarbon or a hydrocarbon blend."
The patent was filed on Dec. 20, 2019, under Application No. 17/417,409.
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