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Home › Polycarboxylic acid production system employing cooled mother liquor from oxidative digestion as feed to impurity purge system

Polycarboxylic acid production system employing cooled mother liquor from oxidative digestion as feed to impurity purge system

US Patent 7326808 · Granted Feb 5, 2008

Estimated economic value: $13,193,000 ⓘ

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