Patents by Inventor Fabiola Nava

Fabiola Nava 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).

  • Regeneration of cyanide by oxidation of thiocyanate
    Patent number: 5482694
    Abstract: Provided is a method for regenerating cyanide from thiocyanate. The method comprises contacting the thiocyanate with an oxidizing gas containing ozone, generally a mixture of oxygen and ozone. The pH of the contacting medium is generally less than 7.0 to assure that HCN is the predominant species relative to CN.sup.-. The method has important applications to processes involving cyanidation procedures, such as gold leaching, plating and coal conversion.
    Type: Grant
    Filed: August 19, 1994
    Date of Patent: January 9, 1996
    Assignee: Canadian Liquid Air Ltd.-Air Liquide Canada Ltee.
    Inventors: Javier Jara, Heriban Soto, Fabiola Nava