Patents by Inventor John George Hnat, Jr.

John George Hnat, Jr. 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).

  • Organic sulfur reduction in wastewater
    Patent number: 6802976
    Abstract: A process for reducing organic sulfur in a fluid, which comprises an organic sulfur compound, comprises contacting the fluid with an oxidizing agent to produce a pretreated fluid and contacting the pretreated fluid with an biologically active solid.
    Type: Grant
    Filed: May 13, 2002
    Date of Patent: October 12, 2004
    Assignee: E. I. du Pont de Nemours and Company
    Inventors: Carl Eugene Camp, John George Hnat, Jr.