Patents by Inventor Gregg Vickell

Gregg Vickell 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).

  • Destruction of cyanide and other pollutants in aqueous solutions
    Patent number: 5246598
    Abstract: A method is disclosed for detoxifying an aqueous waste solution containing cyanide. The method involves adding a source of silicon oxide to the cyanide containing aqueous waste solution in a concentration of 0.001 to 10 g silicon dioxide/liter aqueous waste solution, at an alkaline pH and a temperature of from 10.degree. to 100.degree. C. Hydrogen peroxide or another peroxygen compound is added in a sufficient quantity to convert the aqueous waste solution containing cyanide to an aqueous solution containing environmentally less toxic materials.
    Type: Grant
    Filed: December 22, 1992
    Date of Patent: September 21, 1993
    Assignee: Degussa Corporation
    Inventors: Christopher R. Proulx, Jaganmay Chattopadhyay, Wilfried Eul, Gregg Vickell