Title:
【発明の名称】前駆物質、溶媒および酢酸メチルの回収を改良した純粋なテレフタル酸を生成するための方法
Document Type and Number:
Japanese Patent JP2003509484
Kind Code:
A
Abstract:
Process for producing pure terephthalic acid having improved means for recovering and/or recycling terephthalic acid precursors, residual acetic acid and other reaction by-products, such as methyl acetate.
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Inventors:
William David Parthen
Application Number:
JP2001524952A
Publication Date:
March 11, 2003
Filing Date:
August 24, 2000
Export Citation:
Assignee:
E.I.DU PONT DE NEMOURS AND COMPANY
International Classes:
C07C51/265; C07C51/43; C07C51/487; C07C63/26; (IPC1-7): C07C51/265; C07C63/26
Attorney, Agent or Firm:
Yoshikazu Tani (2 outside)