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Title:
ブタジエンの溶媒抽出による回収の改良方法
Document Type and Number:
Japanese Patent JP5329220
Kind Code:
B2
Abstract:
In a method for the solvent extraction of butadiene from a mixture of hydrocarbons having four carbon atoms per molecule, which method inherently produces tars, the extraction process is operated with a tar loading level, relative to the solvent employed, of no more than about 1.6 wt. %.

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Inventors:
Bridges, Joseph P.
Williams, Solon Bee.
Antarblink, Byron Bee.
Application Number:
JP2008506483A
Publication Date:
October 30, 2013
Filing Date:
March 24, 2006
Export Citation:
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Assignee:
Equistar Chemicals,LP
International Classes:
C07C7/10; C07C11/167; C10G21/06
Domestic Patent References:
JP54138508A
JP58167683A
JP60184030A
JP58032685A
JP10251659A
Foreign References:
US3898135
US3436438
US4269668
US2993841
Attorney, Agent or Firm:
Akio Miyazaki
Ishibashi Masayuki
Masaaki Ogata



 
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