METHOD FOR THE PURIFICATION OF METACYLIC ACID

Metacrylic acid (MAA) contg. maleic acid and citraconic acid [obtd. by catalytic oxidn. of 4C compds. (e.g. isobutylene, tbutanol) with oxygen-contg. gas is purified by contact with basic anion-exchange resin. The purificn. method comprises e.g. (i) filling a column (20mmX30cm) with anion-exchange r...

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Hauptverfasser:	SEIJAKI YOSHIHIRO, IWASAKI KOJO, KOYAMA YOSHIO, KURAKANO MORIMASA, KOSHIBE MINORU, YOKUCHI KATSUJI
Format:	Patent
Sprache:	eng ; kor
Schlagworte:	ACYCLIC OR CARBOCYCLIC COMPOUNDS CHEMISTRY METALLURGY ORGANIC CHEMISTRY
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