US Patent Application 20100069673 - Neutralization of Ethylenediamine Hydrochloride and recovery of Ethylenediamine

Application 20100069673 Filed on September 15, 2008. Published on March 18, 2010

Abstract Claims Description Full Text

Inventors

Cesas, Romas
Zajack, Theodore

US Class

564/498Of an alkylene polyamine

Attorney, Agent or Firm

McDonnell Boehnen Hulbert & Berghoff LLP

International Class

C07C 209/82

Abstract text

In a neutralization and recovery process ethylene diamine hydrochloride (EDA-HCL) is neutralized and ethylene diamine (EDA) is recovered using a mixture of solid caustic dissolved in a non-aqueous solvent, for example an alcohol.

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