Patents by Inventor Stacey Olson

Stacey Olson 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).

  • Genetically modified yeast species, and fermentation processes using genetically modified yeast
    Patent number: 9758799
    Abstract: Yeast cells are transformed with an exogenous xylose isomerase gene. Additional genetic modifications enhance the ability of the transformed cells to ferment xylose to ethanol or other desired fermentation products. Those modifications include deletion of non-specific or specific aldose reductase gene(s), deletion of xylitol dehydrogenase gene(s) and/or overexpression of xylulokinase.
    Type: Grant
    Filed: July 5, 2016
    Date of Patent: September 12, 2017
    Assignee: Cargill Incorporated
    Inventors: Vineet Rajgarhia, Kari Koivuranta, Merja Penttila, Marja Ilmen, Pirkko Suominen, Aristos Aristidou, Christopher Kenneth Miller, Stacey Olson, Laura Ruohonen
  • Genetically Modified Yeast Species, and Fermentation Processes Using Genetically Modified Yeast
    Publication number: 20160340697
    Abstract: Yeast cells are transformed with an exogenous xylose isomerase gene. Additional genetic modifications enhance the ability of the transformed cells to ferment xylose to ethanol or other desired fermentation products. Those modifications include deletion of non-specific or specific aldose reductase gene(s), deletion of xylitol dehydrogenase gene(s) and/or overexpression of xylulokinase.
    Type: Application
    Filed: July 5, 2016
    Publication date: November 24, 2016
    Inventors: Vineet Rajgarhia, Kari Koivuranta, Merja Penttila, Marja Ilmen, Pirkko Suominen, Aristos Aristidou, Christopher Kenneth Miller, Stacey Olson, Laura Ruohonen
  • Genetically modified yeast species, and fermentation processes using genetically modified yeast
    Patent number: 9410158
    Abstract: Yeast cells are transformed with an exogenous xylose isomerase gene. Additional genetic modifications enhance the ability of the transformed cells to ferment xylose to ethanol or other desired fermentation products. Those modifications include deletion of non-specific or specific aldose reductase gene(s), deletion of xylitol dehydrogenase gene(s) and/or overexpression of xylulokinase.
    Type: Grant
    Filed: September 24, 2013
    Date of Patent: August 9, 2016
    Assignee: Cargill Incorporated
    Inventors: Vineet Rajgarhia, Kari Koivuranta, Merja Penttila, Marja Ilmen, Pirkko Suominen, Aristos Aristidou, Christopher Kenneth Miller, Stacey Olson, Laura Ruohonen
  • Genetically Modified Yeast Species, and Fermentation Processes Using Genetically Modified Yeast
    Publication number: 20140080192
    Abstract: Yeast cells are transformed with an exogenous xylose isomerase gene. Additional genetic modifications enhance the ability of the transformed cells to ferment xylose to ethanol or other desired fermentation products. Those modifications include deletion of non-specific or specific aldose reductase gene(s), deletion of xylitol dehydrogenase gene(s) and/or overexpression of xylulokinase.
    Type: Application
    Filed: September 24, 2013
    Publication date: March 20, 2014
    Applicant: Cargill Incorporated
    Inventors: Vineet Rajgarhia, Kari Koivuranta, Merja Penttila, Marja Ilmen, Pirkko Suominen, Aristos Aristidou, Christopher Kenneth Miller, Stacey Olson, Laura Ruohonen
  • Genetically modified yeast species, and fermentation processes using genetically modified yeast
    Patent number: 8623633
    Abstract: Yeast cells are transformed with an exogenous xylose isomerase gene. Additional genetic modifications enhance the ability of the transformed cells to ferment xylose to ethanol or other desired fermentation products. Those modifications include deletion of non-specific or specific aldose reductase gene(s), deletion of xylitol dehydrogenase gene(s) and/or overexpression of xylulokinase.
    Type: Grant
    Filed: May 14, 2011
    Date of Patent: January 7, 2014
    Assignee: Cargill Incorporated
    Inventors: Vineet Rajgarhia, Kari Koivuranta, Merja Penttilä, Marja Ilmen, Pirkko Suominen, Aristos Aristidou, Christopher Kenneth Miller, Stacey Olson, Laura Ruohonen
  • Genetically modified yeast species, and fermentation processes using genetically modified yeast
    Patent number: 8440451
    Abstract: Yeast cells are transformed with an exogenous xylose isomerase gene. Additional genetic modifications enhance the ability of the transformed cells to ferment xylose to ethanol or other desired fermentation products. Those modifications include deletion of non-specific or specific aldose reductase gene(s), deletion of xylitol dehydrogenase gene(s) and/or overexpression of xylulokinase.
    Type: Grant
    Filed: May 14, 2011
    Date of Patent: May 14, 2013
    Assignee: Cargill, Incorporated
    Inventors: Vineet Rajgarhia, Kari Koivuranta, Merja Penttilä, Marja Ilmen, Pirkko Suominen, Aristos Aristidou, Christopher Kenneth Miller, Stacey Olson, Laura Ruohonen
  • GENETICALLY MODIFIED YEAST SPECIES, AND FERMENTATION PROCESSES USING GENETICALLY MODIFIED YEAST
    Publication number: 20110287505
    Abstract: Yeast cells are transformed with an exogenous xylose isomerase gene. Additional genetic modifications enhance the ability of the transformed cells to ferment xylose to ethanol or other desired fermentation products. Those modifications include deletion of non-specific or specific aldose reductase gene(s), deletion of xylitol dehydrogenase gene(s) and/or overexpression of xylulokinase.
    Type: Application
    Filed: May 14, 2011
    Publication date: November 24, 2011
    Inventors: Vineet Rajgarhia, Kari Koivuranta, Merja Penttilä, Marja Ilmen, Pirkko Suominen, Aristos Aristidou, Christopher Kenneth Miller, Stacey Olson, Laura Ruohonen
  • GENETICALLY MODIFIED YEAST SPECIES, AND FERMENTATION PROCESSES USING GENETICALLY MODIFIED YEAST
    Publication number: 20110287506
    Abstract: Yeastcells are transformed with an exogenous xylose isomerase gene. Additional genetic modifications enhance the ability of the transformed cells to ferment xylose to ethanol or other desired fermentation products. Those modifications include deletion of non-specific or specific aldose reductase gene(s), deletion of xylitol dehydrogenase gene(s) and/or overexpression of xylulokinase.
    Type: Application
    Filed: May 14, 2011
    Publication date: November 24, 2011
    Inventors: Vineet Rajgarhia, Kari Koivuranta, Merja Penttilä, Marja Ilmen, Pirkko Suominen, Aristos Aristidou, Christopher Kenneth Miller, Stacey Olson, Laura Ruohonen
  • Genetically modified yeast species and fermentation processes using genetically modified yeast
    Patent number: 7943366
    Abstract: Yeast cells are transformed with an exogenous xylose isomerase gene. Additional genetic modifications enhance the ability of the transformed cells to ferment xylose to ethanol or other desired fermentation products. Those modifications', include deletion of non-specific or specific aldose reductase gene(s), deletion of xylitol dehydrogenase gene(s) and/or overexpression of xylulokinase.
    Type: Grant
    Filed: May 3, 2004
    Date of Patent: May 17, 2011
    Assignee: Cargill Inc.
    Inventors: Vineet Rajgarhia, Kari Koivuranta, Merja Penttilä, Marja Ilmen, Pirkko Suominen, Aristos Aristidou, Christopher Kenneth Miller, Stacey Olson, Laura Ruohonen
  • Methods and materials for the production of D-lactic acid in yeast
    Publication number: 20100137551
    Abstract: The present invention relates to biocatalysts that are cells, optimally of the Crabtree-negative phenotype, comprising expression vectors encoding genes heterologous to the cell that enable increased production of organic products. More specifically, the invention relates to genetically modified Kluyveromyces cells, methods for making the Kluyveromyces cells, and their use in production of organic products, particularly D-lactic acid.
    Type: Application
    Filed: January 12, 2009
    Publication date: June 3, 2010
    Inventors: Vineet Rajgarhia, Catherine Asleson Dundon, Stacey Olson, Pirkko Suominen, Ben Hause
  • Methods for the synthesis of lactic acid using crabtree-negative yeast transformed with the lactate dehydrogenase gene
    Patent number: 7700332
    Abstract: The invention provides methods and materials related to the production of lactic acid. Specifically, the invention provides methods for producing lactic acid using a crabtree-negative yeast, such as of the Kluyveromyces, Pichia, Candida, Trichosporon and Yamadazmya genera, which have been transformed with a lactate dehydrogenase gene.
    Type: Grant
    Filed: April 20, 2007
    Date of Patent: April 20, 2010
    Assignee: Cargill Inc.
    Inventors: Vineet Rajgarhia, Vassily Hatzimanikatis, Stacey Olson, Ting Carlson, John N. Starr, Jeffrey J. Kolstad, Aharon Eyal
  • Methods for the synthesis of lactic acid using crabtree-negative yeast transformed with the lactate dehydrogenase gene
    Patent number: 7229805
    Abstract: The invention provides methods and materials related to the production of lactic acid. Specifically, the invention provides methods for producing lactic acid using a crabtree-negative yeast, such as of the Kluyveromyces, Pichia, Candida, Trichosporon and Yamadazmya genera, which have been transformed with a lactate dehydrogenase gene.
    Type: Grant
    Filed: November 4, 2002
    Date of Patent: June 12, 2007
    Assignee: Nature Work, LLP
    Inventors: Vineet Rajgarhia, Vassily Hatzimanikatis, Stacey Olson, Ting Carlson, John N. Starr, Jeffrey J. Kolstad, Aharon Eyal
  • Genetically modified yeast species and fermenation processes using genetically modified yeast
    Publication number: 20060234364
    Abstract: Yeast cells are transformed with an exogenous xylose isomerase gene. Additional genetic modifications enhance the ability of the transformed cells to ferment xylose to ethanol or other desired fermentation products. Those modifications', include deletion of non-specific or specific aldose reductase gene(s), deletion of xylitol dehydrogenase gene(s) and/or overexpression of xylulokinase.
    Type: Application
    Filed: May 3, 2004
    Publication date: October 19, 2006
    Inventors: Vineet Rajgarhia, Kari Koivuranta, Merja Penttilä, Marja Ilmen, Pirkko Suominen, Aristos Aristidou, Christopher Miller, Stacey Olson, Laura Ruohonen
  • Methods and materials for the synthesis of organic products
    Publication number: 20040029238
    Abstract: The invention provides methods and materials related to the production of organic products. Specifically, the invention provides various recombinant yeast cells, methods for culturing yeast cells, methods for making yeast cells, nucleic acid constructs, and methods and materials for producing various organic products.
    Type: Application
    Filed: November 4, 2002
    Publication date: February 12, 2004
    Inventors: Vineet Rajgarhia, Vassily Hatzimanikatis, Stacey Olson, Ting Carlson, John N. Starr, Jeffrey J. Kolstad, Aharon Eyal
  • Methods and materials for the production of D-lactic acid in yeast
    Publication number: 20040029256
    Abstract: The present invention relates to biocatalysts that are cells, optimally of the Crabtree-negative phenotype, comprising expression vectors encoding genes heterologous to the cell that enable increased production of organic products. More specifically, the invention relates to genetically modified Kluyveromyces cells, methods for making the Kluyveromyces cells, and their use in production of organic products, particularly D-lactic acid.
    Type: Application
    Filed: May 30, 2003
    Publication date: February 12, 2004
    Inventors: Vineet Rajgarhia, Catherine Asleson Dundon, Stacey Olson, Pirkko Suominen, Ben Hause
  • Production of lactate using crabtree negative organisms in varying culture conditions
    Patent number: 6485947
    Abstract: Crabtree negative organisms such as Kluyveromyces, Pichia, Hansenula and Candida, are used to make selected organic products such as lactic acid. The organisms are cultured in a first culture medium that includes glucose, under conditions that promote cellular respiration. The organisms are then cultured under a second set of conditions that promote production of the selected organic product. The organisms preferably contain an exogenous lactate dehydrogenase gene.
    Type: Grant
    Filed: May 19, 2000
    Date of Patent: November 26, 2002
    Assignee: Cargill Dow Polymers, LLC
    Inventors: Vineet Rajgarhia, Vassily Hatzimanikatis, Stacey Olson, Ting Carlson, John N. Starr, Jeffrey J. Kolstad, Aharon Eyal