C - Chemistry – Metallurgy – 07 – C
Patent
C - Chemistry, Metallurgy
07
C
202/69
C07C 51/44 (2006.01) C07C 51/48 (2006.01)
Patent
CA 1178917
ABSTRACT A method for separating carboxylic acids from mix- tures with non-acids by an absorption-stripping method using a lactam (preferably N-methyl-2-pyrrolidone) as absorbent, followed by recovering the acids from the absorbent. BA-39
407962
Badger B.v.
Macrae & Co.
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