C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 63/78 (2006.01) C08G 63/183 (2006.01) C07C 51/47 (2006.01)
Patent
CA 2516567
The present invention relates to a process by which a carboxylic acid/diol mixture is obtained from a carboxylic acid/solvent slurry without isolation of a substantially dry carboxylic acid solid. More specifically, the present invention relates to a process by which a terephthalic acid/ethylene glycol mixture is obtained from a terephthalic acid/solvent slurry without isolation of a substantially dry terephthalic acid solid.
La présente invention concerne un procédé de production d'un mélange de diol et d'acide carboxylique à partir d'une boue de solvant et d'acide carboxylique sans isolation d'un solide d'acide carboxylique sensiblement sec. Plus spécifiquement, ladite invention se rapporte à un procédé de production d'un mélange d'acide téréphtalique et d'éthylène glycol à partir d'une boue de solvant et d'acide téréphtalique sans isolation d'un solide d'acide téréphtalique sensiblement sec.
Hall Duane Alan
Lin Robert
Parker Kenny Randolph
Upshaw Timothy Alan
Eastman Chemical Company
Gowling Lafleur Henderson Llp
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