Process and apparatus for preparing purified styrene composition from styrene containing feedstock

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United States of America Patent

PATENT NO 11891358
APP PUB NO 20230174440A1
SERIAL NO

17916554

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Abstract

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A method for preparing a purified styrene composition with a styrene yield of at least 80%. The method comprises providing a crude composition containing styrene, and subjecting the crude composition to at least one crystallization step. The at least one crystallization step comprises at least one static crystallization stage and at least one dynamic crystallization stage.

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Patent Owner(s)

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SULZER MANAGEMENT AGWINTERTHUR SWITZERLAND WINTERTHUR ZURICH

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Anderson, Kimberly Bozeman, US 6 69
Gentry, Joseph C Houston, US 31 253
Khandelwal, Rahul Katy, US 8 4
Kirschner, Christoph Volketswil, CH 3 0
Naulita-Ellis, Meta Bozeman, US 3 0
Pudack, Claudia Zürich, CH 8 5
Rioual, Celine Chalampé, FR 3 0
Slimp, B Bryant Houston, US 3 0
Stepanski, Manfred Buchs, CH 18 40
Temmel, Erik Basel, CH 5 0
Wytcherley, Randi Belgrade, US 4 0

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