Patents by Inventor John Keum-Ho Hwang

John Keum-Ho Hwang 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).

  • METHOD AND SYSTEM FOR RECOVERING SULPHUR FROM GAS STREAMS
    Publication number: 20080233025
    Abstract: There is described a novel process for removing sulphurous compounds from industrial gaseous streams, such as sour gas, using an oxygen deficient environment during the oxidation of H2S, and further recycling of any unconverted H2S back to a regenerator.
    Type: Application
    Filed: June 11, 2007
    Publication date: September 25, 2008
    Inventor: John Keum-Ho Hwang