Patents by Inventor Steven W. Hutcheson

Steven W. Hutcheson 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).

  • Methods of producing ethanol using hydrolytic enzyme mixtures for saccharification of lignocellulosic polysaccharides
    Patent number: 8835139
    Abstract: The present invention relates to cell wall degradative systems, in particular to systems containing enzymes that bind to and/or depolymerize cellulose. These systems have a number of applications. Some embodiments relate to a method of producing ethanol using the cell wall degradative systems of the present invention.
    Type: Grant
    Filed: August 22, 2012
    Date of Patent: September 16, 2014
    Assignee: University of Maryland
    Inventors: Ronald M. Weiner, Steven W. Hutcheson
  • COMPOSITIONS AND METHODS FOR THE PRODUCTION OF ISOPRENE
    Publication number: 20140234937
    Abstract: The present disclosure describes compositions and methods for production of isoprene from lignocellulosic plant biomass using a genetically engineered strain of a saprophytic bacteria.
    Type: Application
    Filed: July 13, 2012
    Publication date: August 21, 2014
    Applicant: AEMETIS, INC.
    Inventors: Haitao Zhang, Maxim Suvorov, Steven W. Hutcheson
  • Enzymic production of neoagarobiose
    Patent number: 8795989
    Abstract: The present invention is directed to methods and systems of producing neoagarobiose, useful in whitening melanoma cells and in cosmetics, using polypeptides having neoagarobiosebiohydralase activity, including Aga86E from Saccharophagus degradans. The reaction can be enhanced by including other agarases, including Aga16B, also from S. degradans.
    Type: Grant
    Filed: April 30, 2008
    Date of Patent: August 5, 2014
    Assignee: University of Maryland
    Inventors: Steven W. Hutcheson, Ronald M. Weiner, Nathan A. Ekborg
  • HYDROLYTIC ENZYME MIXTURES FOR SACCHARIFICATION OF LIGNOCELLULOSIC POLYSACCHARIDES
    Publication number: 20130196401
    Abstract: The present invention relates to cell wall degradative systems, in particular to systems containing enzymes that bind to and/or depolymerize cellulose. These systems have a number of applications. Some embodiments relate to a method of producing ethanol using the cell wall degradative systems of the present invention.
    Type: Application
    Filed: August 22, 2012
    Publication date: August 1, 2013
    Inventors: Ronald M. Weiner, Steven W. Hutcheson
  • ENHANCED CELLULASE EXPRESSION IN S. DEGRADANS
    Publication number: 20120115235
    Abstract: The invention provides organisms and methods of using and making organisms with enhanced cellulase expression.
    Type: Application
    Filed: April 6, 2010
    Publication date: May 10, 2012
    Applicant: UNIVERSITY OF MARYLAND
    Inventor: Steven W. Hutcheson
  • ENZYMIC PRODUCTION OF NEOAGAROBIOSE
    Publication number: 20090053776
    Abstract: The present invention is directed to methods and systems of producing neoagarobiose, useful in whitening melanoma cells and in cosmetics, using polypeptides having neoagarobiosebiohydralase activity, including Aga86E from Saccharophagus degradans. The reaction can be enhanced by including other agarases, including Aga16B, also from S. degradans.
    Type: Application
    Filed: April 30, 2008
    Publication date: February 26, 2009
    Inventors: Steven W. HUTCHESON, Ronald M. WEINER, Nathan A. EKBORG
  • Alginases, systems containing alginases and methods of cloning, purifying and/or utilizing alginases
    Patent number: 7439034
    Abstract: The present invention relates to cell wall degradative systems, in particular to systems containing enzymes that bind to and/or depolymerize cellulose. These systems have a number of applications.
    Type: Grant
    Filed: June 1, 2005
    Date of Patent: October 21, 2008
    Assignee: University of Maryland
    Inventors: Ronald M. Weiner, Steven W. Hutcheson, Ahmed Abdel-Wahab Abdel-Hafez, Michael Howard, Larry Edmund Taylor, II, Nathan A. Ekborg
  • Protease Inhibitor
    Publication number: 20080108547
    Abstract: The present disclosure provides isolated nucleic acids and their resulting polypeptides from Saccharophagus degradans strain 2-40, which may be utilized as protease inhibitors.
    Type: Application
    Filed: July 20, 2005
    Publication date: May 8, 2008
    Inventors: Larry Edmund Taylor II, Ronald M. Weiner, Steven W. Hutcheson