Patents by Inventor Hyo C. Lee

Hyo C. Lee 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).

  • Patent number: 7785848
    Abstract: The present invention relates to applications of far-infrared-inducing natural minerals to improve biomass conversion performance by promoting the growth of microbes, especially in the fermentation process. The present invention further relates to the enhancement of other enzyme reactions during the fermentation process. The present invention is applicable for use in corn-to-ethanol fermentation to increase the ethanol productivity as well as for yeast manufacturing.
    Type: Grant
    Filed: May 23, 2006
    Date of Patent: August 31, 2010
    Assignee: ACTIVA BioGreen, Inc.
    Inventor: Hyo C. Lee
  • Publication number: 20070275446
    Abstract: The present invention relates to applications of far-infrared-inducing natural minerals to improve biomass conversion performance by promoting the growth of microbes, especially in the fermentation process. The present invention further relates to the enhancement of other enzyme reactions during the fermentation process. The present invention is applicable for use in corn-to-ethanol fermentation to increase the ethanol productivity as well as for yeast manufacturing.
    Type: Application
    Filed: May 23, 2006
    Publication date: November 29, 2007
    Applicant: ACTIVA BioGreen, Inc.
    Inventor: Hyo C. Lee
  • Patent number: 5108730
    Abstract: Method of low temperature start-up of ammonia oxidation plants by passing hydrogen and oxygen over platinum containing gauzes bearing a platinum coating having a surface area in excess of about 50 cm.sup.2 /g, thereby heating them to temperatures which are sufficient for catalytic oxidation of ammonia.
    Type: Grant
    Filed: August 6, 1986
    Date of Patent: April 28, 1992
    Assignee: Engelhard Corporation
    Inventors: Hyo C. Lee, Robert J. Farrauto, W. Robert Hatfield
  • Patent number: 4863893
    Abstract: Platinum-rhodium and platinum-palladium-rhodium gauzes bearing a high surface area coating (in excess of 50 cm.sup.2 /g) of platinum ease initiation of ammonia oxidation.
    Type: Grant
    Filed: August 6, 1986
    Date of Patent: September 5, 1989
    Assignee: Engelhard Corporation
    Inventors: Robert J. Farrauto, Hyo C. Lee, W. Robert Hatfield
  • Patent number: 4526614
    Abstract: Improved recovery of platinum lost from the catalyst gauze in a nitric acid plant is obtained by using palladium containing recovery gauzes configured to enhance the mass transfer characteristics of the system.
    Type: Grant
    Filed: August 2, 1982
    Date of Patent: July 2, 1985
    Assignee: Engelhard Corporation
    Inventors: Bahjat S. Beshty, W. Robert Hatfield, Hyo C. Lee, Ronald M. Heck, Thomas H. Hsiung