Patents by Inventor Theodore Zajack

Theodore Zajack has filed for patents to protect the following inventions. This listing includes patent applications that are pending as well as patents that have already been granted by the United States Patent and Trademark Office (USPTO).

  • Neutralization of Ethylenediamine Hydrochloride and recovery of Ethylenediamine
    Publication number: 20100069673
    Abstract: 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.
    Type: Application
    Filed: September 15, 2008
    Publication date: March 18, 2010
    Inventors: Romas Cesas, Theodore Zajack