Levulinic acid compositions

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United States of America

PATENT NO 10550067
APP PUB NO 20190077740A1
SERIAL NO

15743093

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Abstract

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A levulinic acid composition A having: a. at least 95 wt. % of levulinic acid; b. between 5 wppm and 5000 wppm of formic acid; and c. less than 1000 wppm of angelica lactone, based on the total weight of the composition. A process for the isolation of a levulinic acid composition, having the following steps: a. performing acid catalyzed hydrolysis of a C6 carbohydrate-containing feedstock to obtain reaction product X, b. subjecting of reaction product X to solid-liquid separation to provide a composition 1, c. feeding composition 1 to at least two purification steps to treat composition 1 to obtain a levulinic acid composition, wherein a second or a further purification step is a melt crystallization step.

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Patent Owner(s)

  • GFBIOCHEMICALS IP ASSETS B.V.

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
De, Rijke Aris Geleen, NL 5 1
Parton, Rudy Francois Maria Jozef Geleen, NL 17 57

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