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Production of hydrogen cyanide

  • US 2,590,146 A
  • Filed: 03/24/1949
  • Issued: 03/25/1952
  • Est. Priority Date: 03/24/1949
  • Status: Expired due to Term
First Claim
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1. A PROCESS FOR RECOVERING HYDROGEN CYANIDE FROM REACTANT GAS MIXTURES CONTAINING THE SAME WHICH COMPRISES INTIMATELY CONTACTING THE MIXTURE WITH AN AQUEOUS SOLUTION OF AN ACIDIC BORIC ACID-POLYHYDROXY ORGANIC COMPLEX THEREBY DISSOLVING AND STABILIZING THE SAME AND THEN VAPORIZING OFF THE CYANIDE FROM THE RESULTING SOLUTION.

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