C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 51/43 (2006.01) C07C 51/265 (2006.01) C07C 63/26 (2006.01)
Patent
CA 2337502
A method for recovering methyl acetate and residual acetic acid in a two-stage process for producing pure terephthalic acid having a first oxidation stage and a second purification stage.
L'invention concerne un procédé de récupération d'acétate de méthyle et d'acide acétique résiduel dans un procédé de production d'acide téréphtalique pur à deux étages: un premier étage d'oxydation et un second étage de purification.
Bennett Jones Llp
E.i. Du Pont de Nemours And Company
Invista Technologies S.a.r.l.
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