C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
C07C 51/43 (2006.01) C07C 51/487 (2006.01) C07C 63/26 (2006.01)
Patent
CA 2345448
An improved process for producing highly pure aromatic carboxylic acid from an impure solid acid product whereby the solid acid product is efficiently dissolved in a suitable solvent at relatively low temperatures despite the presence of solid lumps.
Cette invention se rapporte à un procédé amélioré servant à produire de l'acide carboxylique aromatique très pur à partir d'un produit à base d'acide solide impur, lequel est dissous efficacement dans un solvant approprié à des températures relativement basses, malgré la présence de morceaux solides.
Hsu Yu-Wei
Lin Chen-Long
Bennett Jones Llp
E.i. Du Pont de Nemours And Company
Invista Technologies S.a.r.l.
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