US Patent 7910780 Method for purifying terephthalaldehyde
Patent 7910780 was granted and assigned to LG Chem on March, 2011 by the United States Patent and Trademark Office.
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Patent abstract
The present invention relates to a method for purifying terephthalaldehyde which comprises a first step of dissolving terephthalaldehyde containing impurities in an aromatic solvent at high temperature to prepare a solution; and a second step of quenching the solution to re-crystallize it into terephthalaldehyde. In accordance with the present invention, high pure terephthalaldehyde may be economically prepared.
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Patent Inventor Names
In Kyu Park0
Jong Suh Park0
Seong Hoon Kang0
Yeong Dae Kim0
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US Patent 07910780 Method for purifying terephthalaldehyde US Patent 7910780 Method for purifying terephthalaldehyde
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Patent Number
07910780
Patent Number
7910780
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US Patent 07910780 Method for purifying terephthalaldehyde
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Is a
Current assignee
Patent jurisdiction
Patent number
07910780
Date of patent
March 22, 2011
Patent application number
12312374
Date Filed
November 15, 2007
Patent primary examiner
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