Patents by Inventor Ellen Burke

Ellen Burke 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).

  • Publication number: 20140053287
    Abstract: This invention relates to polypeptides having aldolase activity, including pyruvate activity such as, without limitation, HMG and/or KHG aldolase activity, polynucleotides encoding these polypeptides, and methods of making and using these polynucleotides and polypeptides. In some embodiments, the invention is directed to polypeptides having aldolase activity, including pyruvate activity such as, without limitation, HMG and/or KHG aldolase activity, including thermostable and thermotolerant activity, and polynucleotides encoding these enzymes, and making and using these polynucleotides and polypeptides. The polypeptides in accordance with the invention can be used in a variety of pharmaceutical, agricultural and industrial contexts.
    Type: Application
    Filed: August 14, 2013
    Publication date: February 20, 2014
    Applicant: VERENIUM CORPORATION
    Inventors: David P. WEINER, Lishan ZHAO, Peter LUGINBUHL, Ellen BURKE, Toby H. RICHARDSON, Paula M. HICKS
  • Patent number: 8652792
    Abstract: The invention relates to mutant strains of the genus Sphingomonas which have a mutation in at least one gene encoding a protein involved in polyhydroxybutyrate (“PHB”) synthesis that allows the mutant strains to produce PHB-deficient Sphingans. The invention is also directed to a process for preparing a clarified Sphingan solution comprising heating aqueous Sphingan solution, in particular PUB-deficient Sphingan solution, to a clarification temperature of about 30° C. to about 70° C., and treating the solution with a clarification agent and enzymes. In addition, the invention is directed to a food or industrial product comprising a PHB-deficient and/or clarified Sphingan. One particular embodiment of the invention is directed to a clarified, PHB-deficient high-acyl gellan and the processes of making thereof.
    Type: Grant
    Filed: November 1, 2010
    Date of Patent: February 18, 2014
    Assignee: C.P. Kelco U.S., Inc.
    Inventors: Stan Bower, Ellen Burke, Nancy E. Harding, Yamini N. Patel, J. Carrie Schneider, Dagmar Meissner, Neil A. Morrison, Ralph Bezanson
  • Patent number: 8546118
    Abstract: This invention relates to polypeptides having aldolase activity, including pyruvate activity such as, without limitation, HMG and/or KHG aldolase activity, polynucleotides encoding these polypeptides, and methods of making and using these polynucleotides and polypeptides. In some embodiments, the invention is directed to polypeptides having aldolase activity, including pyruvate activity such as, without limitation, HMG and/or KHG aldolase activity, including thermostable and thermotolerant activity, and polynucleotides encoding these enzymes, and making and using these polynucleotides and polypeptides. The polypeptides in accordance with the invention can be used in a variety of pharmaceutical, agricultural and industrial contexts.
    Type: Grant
    Filed: March 7, 2007
    Date of Patent: October 1, 2013
    Assignee: Verenium Corporation
    Inventors: David P. Weiner, Lishan Zhao, Peter Luginbuhl, Ellen Burke, Toby Richardson, Paula M. Hicks
  • Publication number: 20120177722
    Abstract: This invention provides polypeptides having lyase activity, polynucleotides encoding these polypeptides, and meth-°ds of making and using these polynucleotides and polypeptides. In one aspect, the invention is directed to polypeptides having ammonia lyase activity, e.g., phenylalanine ammonia lyase, tyrosine ammonia lyase and/or histidine ammonia lyase activity, including thermostable and thermotolerant activity, and polynucleotides encoding these enzymes, and making and using these polynucleotides and polypeptides. The polypeptides of the invention can be used in a variety of pharmaceutical, agricultural and industrial contexts. X?NO2, Cl, Br, NH2, OH, H, alkyl at one or several o, m, and p positions R?H or alkyl.
    Type: Application
    Filed: November 2, 2011
    Publication date: July 12, 2012
    Inventors: David P. Weiner, Alexander Varvak, Toby Richardson, Mircea Podar, Ellen Burke, Shaun Healey
  • Patent number: 8198064
    Abstract: The invention relates to mutant strains of the genus Sphingomonas which have a mutation in at least one gene encoding a protein involved in polyhydroxybutyrate (“PHB”) synthesis that allows the mutant strains to produce PHB-deficient sphingans. The invention is also directed to a process for preparing a clarified sphingan solution comprising heating aqueous sphingan solution, in particular PHB-deficient sphingan solution, to a clarification temperature of about 30° C. to about 70° C., and treating the solution with a clarification agent and enzymes. In addition, the invention is directed to a food or industrial product comprising a PHB-deficient and/or clarified sphingan. One particular embodiment of the invention is directed to a clarified, PHB-deficient high-acyl gellan and the processes of making thereof.
    Type: Grant
    Filed: December 2, 2005
    Date of Patent: June 12, 2012
    Assignee: CP Kelco U.S., Inc.
    Inventors: Stan Bower, Ellen Burke, Nancy E. Harding, Yamini N. Patel, J. Carrie Schneider, Dagmar Meissner, Neil A. Morrison, Ralph Bezanson
  • Publication number: 20120009634
    Abstract: This invention relates to polypeptides having aldolase activity, including pyruvate activity such as, without limitation, HMG and/or KHG aldolase activity, polynucleotides encoding these polypeptides, and methods of making and using these polynucleotides and polypeptides. In some embodiments, the invention is directed to polypeptides having aldolase activity, including pyruvate activity such as, without limitation, HMG and/or KHG aldolase activity, including thermostable and thermotolerant activity, and polynucleotides encoding these enzymes, and making and using these polynucleotides and polypeptides. The polypeptides in accordance with the invention can be used in a variety of pharmaceutical, agricultural and industrial contexts.
    Type: Application
    Filed: September 16, 2011
    Publication date: January 12, 2012
    Inventors: Ellen BURKE, Steven John Gort, Paula M. Hicks, Peter Luginbuhl, Sara C. McFarlan, Toby Richardson, Christopher Solheid, David Weiner, Lishan Zhao
  • Patent number: 8043837
    Abstract: This invention relates to polypeptides having aldolase activity, including pyruvate activity such as, without limitation, HMG and/or KHG aldolase activity, polynucleotides encoding these polypeptides, and methods of making and using these polynucleotides and polypeptides. In some embodiments, the invention is directed to polypeptides having aldolase activity, including pyruvate activity such as, without limitation, HMG and/or KHG aldolase activity, including thermostable and thermotolerant activity, and polynucleotides encoding these enzymes, and making and using these polynucleotides and polypeptides. The polypeptides in accordance with the invention can be used in a variety of pharmaceutical, agricultural and industrial contexts.
    Type: Grant
    Filed: March 7, 2007
    Date of Patent: October 25, 2011
    Assignee: Cargill, Incorporated
    Inventors: Ellen Burke, Steven John Gort, Paula M. Hicks, Peter Luginbuhl, Sara C. McFarlan, Toby Richardson, Christopher Solheid, David Weiner, Lishan Zhao
  • Publication number: 20110045547
    Abstract: The invention provides for isomerase (e.g., racemase) and epimerase polypeptides and nucleic acids encoding such polypeptides. Also provided are methods of using such isomerase (e.g., racemase) and epimerase nucleic acids and polypeptides.
    Type: Application
    Filed: July 1, 2010
    Publication date: February 24, 2011
    Inventors: Mervyn L. de Souza, Wei Niu, Jose Laplaza, Christopher Solheid, Sherry R. Kollmann, Joshua M. Lundorff, Paula M. Hicks, Sara C. McFarlan, Fernando A. Sanchez-Riera, David P. Weiner, Ellen Burke, Peter Luginbuhl, Analia Bueno, Joslin Cuenca
  • Publication number: 20110039308
    Abstract: In one aspect, the invention is directed to polypeptides having an amylase and/or glucoamylase activity, polynucleotides encoding the polypeptides, and methods for making and using these polynucleotides and polypeptides. In one aspect, the polypeptides of the invention can be used as amylases, for example, alpha amylases, to catalyze the hydrolysis of polysaccharide, oligosaccharide or starch into sugars. In one aspect, the invention provides delayed release compositions comprising an desired ingredient coated by a latex polymer coating. In alternative embodiments, enzymes are used to make biofuels, e.g., ethanol, butanol, propanol, or a gasoline-ethanol mix, including a bioethanol, biopropanol, biobutanol, or a biodiesel, or for any form of fuel or biomass processing.
    Type: Application
    Filed: December 21, 2007
    Publication date: February 17, 2011
    Inventors: Malgorzata Slupska, Geoff Hazlewood, Cathy Chang, Peter Luginbuhl, Ellen Burke, Michelle Cayouette, Uvini Gunavardena, Majid Ghassemian, Aron Silverstone, Yan Zhang
  • Patent number: 7887866
    Abstract: The invention relates to mutant strains of the genus Sphingomonas which have a mutation in at least one gene encoding a protein involved in polyhydroxybutyrate (“PHB”) synthesis that allows the mutant strains to produce PHB-deficient sphingans. The invention is also directed to a process for preparing a clarified sphingan solution comprising heating aqueous sphingan solution, in particular PHB-deficient sphingan solution, to a clarification temperature of about 30° C. to about 70° C., and treating the solution with a clarification agent and enzymes. In addition, the invention is directed to a food or industrial product comprising a PHB-deficient and/or clarified sphingan. One particular embodiment of the invention is directed to a clarified, PHB-deficient high-acyl gellan and the processes of making thereof.
    Type: Grant
    Filed: March 2, 2001
    Date of Patent: February 15, 2011
    Assignee: CP Kelco U.S., Inc.
    Inventors: Stan Bower, Ellen Burke, Nancy E. Harding, Yamini N. Patel, J. Carrie Schneider, Dagmar Meissner, Neil A. Morrison, Ralph Bezanson
  • Publication number: 20110027346
    Abstract: This invention provides polypeptides having lyase activity, polynucleotides encoding these polypeptides, and methods of making and using these polynucleotides and polypeptides. In one aspect, the invention is directed to polypeptides having ammonia lyase activity, e.g., phenylalanine ammonia lyase, tyrosine ammonia lyase and/or histidine ammonia lyase activity, including thermostable and thermotolerant activity, and polynucleotides encoding these enzymes, and making and using these polynucleotides and polypeptides. The polypeptides of the invention can be used in a variety of pharmaceutical, agricultural and industrial contexts.
    Type: Application
    Filed: May 29, 2007
    Publication date: February 3, 2011
    Applicant: VERENIUM CORPORATION
    Inventors: David Weiner, Alexander Varvak, Toby Richardson, Mircea Podar, Ellen Burke, Shaun Healey
  • Publication number: 20110020882
    Abstract: The invention provides for aminotransferase and oxidoreductase polypeptides and nucleic acids encoding such polypeptides. Also provided are methods of using such aminotransferase and oxidoreductase nucleic acids and polypeptides.
    Type: Application
    Filed: December 31, 2008
    Publication date: January 27, 2011
    Inventors: Mervyn L. de Souza, Paula M. Hicks, Sherry R. Kollmann, Jose Laplaza, Joshua M. Lundorff, Sara C. McFarlan, Erin Marasco, Wei Niu, Fernando A. Sanchez-Riera, Christopher Solheid, David P. Weiner, Ellen Burke, Peter Luginbuhl, Analia Bueno, Joslin Cuenca
  • Publication number: 20110009611
    Abstract: The invention relates to mutant strains of the genus Sphingomonas which have a mutation in at least one gene encoding a protein involved in polyhydroxybutyrate (“PHB”) synthesis that allows the mutant strains to produce PHB-deficient sphingans. The invention is also directed to a process for preparing a clarified sphingan solution comprising heating aqueous sphingan solution, in particular PHB-deficient sphingan solution, to a clarification temperature of about 30° C. to about 70° C., and treating the solution with a clarification agent and enzymes. In addition, the invention is directed to a food or industrial product comprising a PHB-deficient and/or clarified sphingan. One particular embodiment of the invention is directed to a clarified, PHB-deficient high-acyl gellan and the processes of making thereof.
    Type: Application
    Filed: March 2, 2001
    Publication date: January 13, 2011
    Inventors: Stan Bower, Ellen Burke, Nancy E. Harding, Yamini N. Patel, J. Carrie Schneider, Dagmar Meissner, Neil A. Morrison, Ralph Bezanson
  • Patent number: 7829697
    Abstract: The invention relates to mutant strains of the genus Sphingomonas which have a mutation in at least one gene encoding a protein involved in polyhydroxybutyrate (“PHB”) synthesis that allows the mutant strains to produce PHB-deficient sphingans. The invention is also directed to a process for preparing a clarified sphingan solution comprising heating aqueous sphingan solution, in particular PHB-deficient sphingan solution, to a clarification temperature of about 30° C. to about 70° C., and treating the solution with a clarification agent and enzymes. In addition, the invention is directed to a food or industrial product comprising a PHB-deficient and/or clarified sphingan. One particular embodiment of the invention is directed to a clarified, PHB-deficient high-acyl gellan and the processes of making thereof.
    Type: Grant
    Filed: December 2, 2005
    Date of Patent: November 9, 2010
    Assignee: CP Kelco US, Inc.
    Inventors: Stan Bower, Ellen Burke, Nancy E. Harding, Yamini N. Patel, J. Carrie Schneider, Dagmar Meissner, Neil A. Morrison, Ralph Bezanson
  • Publication number: 20100189706
    Abstract: The invention provides polypeptides having a lignocellulolytic activity, e.g., a glycosyl hydrolase, a cellulase, an endoglucanase, a cellobiohydrolase, a beta-glucosidase, a xylanase, a mannanse, a xylosidase (e.g., a ?-xylosidase), an arabinofuranosidase, and/or a glucose oxidase activity, polynucleotides encoding these polypeptides, and methods of making and using these polynucleotides and polypeptides. In one aspect, the invention provides polypeptides that can enzymatically process (hydrolyze) sugarcane bagasse, i.e., for sugarcane bagasse degradation, or for biomass processing, and polynucleotides encoding these enzymes, and making and using these polynucleotides and polypeptides. In one embodiment, the invention provides thermostable and thermotolerant forms of polypeptides of the invention.
    Type: Application
    Filed: January 30, 2008
    Publication date: July 29, 2010
    Inventors: Cathy Chang, Justin T. Stege, Nahla Aboushadi, Gordana Djordjevic, Ellen Burke, Peter Luginbuhl, Mark Dycaico, Toby Richardson, John Poland, Ying Hefner, Stacy Marie Miles
  • Publication number: 20100095390
    Abstract: This invention relates to polypeptides having aldolase activity, including pyruvate activity such as, without limitation, HMG and/or KHG aldolase activity, polynucleotides encoding these polypeptides, and methods of making and using these polynucleotides and polypeptides. In some embodiments, the invention is directed to polypeptides having aldolase activity, including pyruvate activity such as, without limitation, HMG and/or KHG aldolase activity, including thermostable and thermotolerant activity, and polynucleotides encoding these enzymes, and making and using these polynucleotides and polypeptides. The polypeptides in accordance with the invention can be used in a variety of pharmaceutical, agricultural and industrial contexts.
    Type: Application
    Filed: March 7, 2007
    Publication date: April 15, 2010
    Inventors: David P. Weiner, Lishan Zhao, Peter Luginbuhl, Ellen Burke, Toby H. Richardson, Paula M. Hicks
  • Patent number: 7582455
    Abstract: Monatin and certain stereoisomers of monatin, such as R,R monatin and S,R monatin, as well as salts thereof, are produced using polypeptides and biosynthetic pathways. These polypeptides and biosynthetic pathways are also useful in the production of R-2-hydroxy-2-(indoly-3-ylmethyl)-4-keto glutaric acid, an intermediate that is formed in certain monatin synthesis pathways, including some biosynthetic pathways.
    Type: Grant
    Filed: April 26, 2006
    Date of Patent: September 1, 2009
    Assignee: Cargill, Incorporated
    Inventors: Brian J. Brazeau, Ellen Burke, Mervyn DeSouza, Steven J. Gort, Paula M. Hicks, Sherry R. Kollmann, Peter Luginbuhl, Sara C. McFarlan, Toby Richardson, Fernando A. Sanchez-Riera, Christopher Solheid, David Weiner, Lishan Zhao
  • Publication number: 20090038023
    Abstract: This invention provides polypeptides having lyase activity, polynucleotides encoding these polypeptides, and methods of making and using these polynucleotides and polypeptides. In one aspect, the invention is directed to polypeptides having ammonia lyase activity, e.g., phenylalanine ammonia lyase, tyrosine ammonia lyase and/or histidine ammonia lyase activity, including thermostable and thermotolerant activity, and polynucleotides encoding these enzymes, and making and using these polynucleotides and polypeptides. The polypeptides of the invention can be used in a variety of pharmaceutical, agricultural and industrial contexts.
    Type: Application
    Filed: March 10, 2006
    Publication date: February 5, 2009
    Applicant: Verenium Corporation
    Inventors: David P. Weiner, Alexander Varvak, Toby Richardson, Mircea Podar, Ellen Burke, Shaun Healey
  • Publication number: 20080268527
    Abstract: The invention relates to mutant strains of the genus Sphingomonas which have a mutation in at least one gene encoding a protein involved in polyhydroxybutyrate (“PHB”) synthesis that allows the mutant strains to produce PHB-deficient sphingans. The invention is also directed to a process for preparing a clarified sphingan solution comprising heating aqueous sphingan solution, in particular PHB-deficient sphingan solution, to a clarification temperature of about 30° C. to about 70° C., and treating the solution with a clarification agent and enzymes. In addition, the invention is directed to a food or industrial product comprising a PHB-deficient and/or clarified sphingan. One particular embodiment of the invention is directed to a clarified, PHB-deficient high-acyl gellan and the processes of making thereof.
    Type: Application
    Filed: December 2, 2005
    Publication date: October 30, 2008
    Applicant: C.P. Kelco U.S., Inc.
    Inventors: Stan Bower, Ellen Burke, Nancy E. Harding, Yamini N. Patel, J. Carrie Schneider, Dagmar Meissner, Neil A. Morrison, Ralph Bezanson
  • Publication number: 20080020435
    Abstract: This invention relates to polypeptides having aldolase activity, including pyruvate activity such as, without limitation, HMG and/or KHG aldolase activity, polynucleotides encoding these polypeptides, and methods of making and using these polynucleotides and polypeptides. In some embodiments, the invention is directed to polypeptides having aldolase activity, including pyruvate activity such as, without limitation, HMG and/or KHG aldolase activity, including thermostable and thermotolerant activity, and polynucleotides encoding these enzymes, and making and using these polynucleotides and polypeptides. The polypeptides in accordance with the invention can be used in a variety of pharmaceutical, agricultural and industrial contexts.
    Type: Application
    Filed: March 7, 2007
    Publication date: January 24, 2008
    Applicant: Cargill, Incorporated
    Inventors: Ellen Burke, Steven Gort, Paula Hicks, Peter Luginbuhl, Sara McFarlan, Toby Richardson, Christopher Solheid, David Weiner, Lishan Zhao