US Patent 7485762 Method for preparing styrenic olefins

Patent 7485762 was granted and assigned to LG Chem on February, 2009 by the United States Patent and Trademark Office.

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Patent Inventor Names

Doh-yeon Park0

Jin-young Ryu0

Min-hyung Lee0

Sun-woo Lee0

You-mi Jeong0

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Patent abstract

The present invention relates to a method for preparing a styrenic olefin. The method of the present invention comprises the steps of: adding a catalyst and a solvent in a reactor and heating the reactor to create a reflux state; adding an alcohol starting material to the reactor dropwise at a constant rate; removing water generated by adding the alcohol starting material from the reactor, and purifying the obtained styrenic olefin. The method of the present invention is advantageous in minimizing byproducts and preparing styrenic olefins having a variety of substituents in high yield.

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Official Website

https://pdfpiw.uspto.gov/.piw?Docid=074857620

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