4. Gas separation
  5. Means within gas stream for conducting concentrate to collector

Hidefumi Hirai

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Process for introducing a carboxyl group to an aromatic carboxyl

Organic compounds -- part of the class 532-570 series – Organic compounds – Carboxylic acids and salts thereof
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Process for recovery of ethylene from gaseous mixture

Gas separation – Means within gas stream for conducting concentrate to collector
Patent

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