Patents by Inventor Kristine A. Deanda

Kristine A. Deanda 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).

  • Recombinant Zymomonas for pentose fermentation
    Patent number: 5726053
    Abstract: The invention relates to microorganisms which normally do not ferment pentose sugar and which are genetically altered to ferment pentose sugar to produce ethanol, and fermentation processes utilizing the same. Examples include Zymomonas mobilis which has been transformed with combinations of E. coli genes for xylose isomerase, xylulokinase, transaldolase, transketolase, L-arabinose isomerase, L-ribulokinase, and L-ribulose-5-phosphate 4-epimerase. Expression of the added genes are under the control of Zymomonas mobilis promoters. These newly created microorganisms are useful for fermenting pentoses and glucose, produced by hydrolysis of hemicellulose and cellulose, to produce ethanol.
    Type: Grant
    Filed: April 14, 1995
    Date of Patent: March 10, 1998
    Assignee: Midwest Research Institute
    Inventors: Stephen K. Picataggio, Min Zhang, Christina K. Eddy, Kristine A. Deanda
  • Pentose fermentation by recombinant zymomonas
    Patent number: 5712133
    Abstract: The invention relates to microorganisms which normally do not ferment pentose sugar and which are genetically altered to ferment pentose sugar to produce ethanol, and fermentation processes utilizing the same. Examples include Zymomonas mobilis which has been transformed with combinations of E. coli genes for xylose isomerase, xylulokinase, transaldolase, transketolase, L-arabinose isomerase, L-ribulokinase, and L-ribulose 5-phosphate 4-epimerase. Expression of the added genes are under the control of Zymomonas mobilis promoters. These newly created microorganisms are useful for fermenting pentoses and glucose, produced by hydrolysis of hemicellulose and cellulose, to produce ethanol.
    Type: Grant
    Filed: April 14, 1995
    Date of Patent: January 27, 1998
    Assignee: Midwest Research Institute
    Inventors: Stephen K. Picataggio, Min Zhang, Christina K. Eddy, Kristine A. Deanda, Mark Finkelstein, Ali Mohagheghi, Mildred M. Newman, James D. McMillan
  • Recombinant zymomonas for pentose fermentation
    Patent number: 5514583
    Abstract: The invention relates to microorganisms which normally do not ferment a pentose sugar and which are genetically altered to ferment this pentose to produce ethanol. A representative example is Zymomonas mobilis which has been transformed with E. coli xylose isomerase, xylulokinase, transaldolase and transketolase genes. Expression of the added genes are under the control of Zymomonas mobilis promoters. This newly created microorganism is useful for fermenting pentoses and glucose, produced by hydrolysis of hemicellulose and cellulose, to produce ethanol.
    Type: Grant
    Filed: April 15, 1994
    Date of Patent: May 7, 1996
    Assignee: Midwest Research Institute
    Inventors: Stephen K. Picataggio, Min Zhang, Christina K. Eddy, Kristine A. Deanda, Mark Finkelstein
  • Site-specific modification of the candida tropicals genome
    Patent number: 5254466
    Abstract: The POX genes of C. tropicalis are disrupted resulting in the complete blockage of the beta-oxidation pathway in the strain. Fermentation of C. tropicalis cells having disrupted genes on alkane, fatty acid and fatty acid ester substrates produces substantially pure dicarboxylic acids in substantially quantitative yield.
    Type: Grant
    Filed: November 6, 1989
    Date of Patent: October 19, 1993
    Assignee: Henkel Research Corporation
    Inventors: Stephen Picataggio, Kristine Deanda, L. Dudley Eirich