Patents by Inventor Eric R. Choban

Eric R. Choban 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).

  • STEADY STATE ANAEROBIC DENITRIFYING CONSORTIUM FOR APPLICATION IN IN-SITU BIOREMEDIATION OF HYDROCARBON-CONTAMINATED SITES AND ENHANCED OIL RECOVERY
    Publication number: 20140193884
    Abstract: Enriched steady state microbial consortiums for microbial enhanced oil recovery and in situ bioremediation of hydrocarbon-contaminated sites, under anaerobic denitrifying conditions, are disclosed.
    Type: Application
    Filed: March 12, 2014
    Publication date: July 10, 2014
    Applicant: E I DU PONT DE NEMOURS AND COMPANY
    Inventors: EDWIN R HENDRICKSON, Abigail K. Luckring, Sharon Jo Keeler, Michael P. Perry, Eric R. Choban
  • Steady state anaerobic denitrifying consortium for application in in-situ bioremediation of hydrocarbon-contaminated sites and enhanced oil recovery
    Patent number: 8753865
    Abstract: Enriched steady state microbial consortiums for microbial enhanced oil recovery and in situ bioremediation of hydrocarbon-contaminated sites, under anaerobic denitrifying conditions, are disclosed.
    Type: Grant
    Filed: February 12, 2010
    Date of Patent: June 17, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: Edwin R. Hendrickson, Abigail K. Luckring, Sharon Jo Keeler, Michael P. Perry, Eric R. Choban
  • Oil release with N-lauroyl amino acid-based compounds
    Patent number: 8697614
    Abstract: Chemical compounds that are N-lauroyl amino acids or derivatives thereof were found to have oil-releasing activity. Solutions containing these compounds may be introduced into oil reservoirs or onto oil-contaminated surface sites to release oil from oil-coated surfaces. The released oil may be recovered for further processing or waste disposal.
    Type: Grant
    Filed: November 17, 2011
    Date of Patent: April 15, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: Eric R. Choban, Berardino D'Achille, Rachel L. Hardie, Michael P. Perry, Christina S. Stauffer, Bogdan Szostek
  • Altering the interface of hydrocarbon-coated surfaces
    Patent number: 8658412
    Abstract: Methods and compositions are provided wherein microorganisms are used to alter the interface of hydrocarbons and hydrocarbon-coated surfaces to increase oil recovery, for improved bioremediation and/or pipeline maintenance.
    Type: Grant
    Filed: May 21, 2010
    Date of Patent: February 25, 2014
    Assignee: E I du Pont de Nemours and Company
    Inventors: Eric R. Choban, Robert D. Fallon, Edwin R. Hendrickson, Scott Christopoher Jackson, Abigail K. Luckring, Michael P. Perry, David Alan Suchanec, Sheryl M. Anzek
  • Method of improving oil recovery from an oil reservoir using an enriched anaerobic steady state microbial consortium
    Patent number: 8528634
    Abstract: The present disclosure relates to developing an enriched steady state microbial consortium capable of modifying crude oil components of an oil reservoir under anaerobic denitrifying conditions. The steady state consortium may be used to improve oil recovery.
    Type: Grant
    Filed: February 12, 2010
    Date of Patent: September 10, 2013
    Assignee: E.I. du Pont de Nemours and Company
    Inventors: Edwin R. Hendrickson, Abigail K. Luckring, Sharon Jo Keeler, Michael P. Perry, Eric R. Choban
  • OIL RELEASE WITH N-LAUROYL AMINO ACID-BASED COMPOUNDS
    Publication number: 20120295823
    Abstract: Chemical compounds that are N-lauroyl amino acids or derivatives thereof were found to have oil-releasing activity. Solutions containing these compounds may be introduced into oil reservoirs or onto oil-contaminated surface sites to release oil from oil-coated surfaces. The released oil may be recovered for further processing or waste disposal.
    Type: Application
    Filed: November 17, 2011
    Publication date: November 22, 2012
    Applicant: E.I DU PONT DE NEMOURS AND COMPANY
    Inventors: Eric R. Choban, Berardino D'Achille, Rachel L. Hardie, Michael P. Perry, Christina S. Stauffer, Bogdan Szostek
  • COMPOSITION FOR IMPROVING OIL RECOVERY INCLUDING N-LAUROYL AMINO ACID-BASED COMPOUNDS AND MICROBES
    Publication number: 20120292022
    Abstract: Chemical compounds that are N-lauroyl amino acids or derivatives thereof were found to have oil-releasing activity. Solutions containing these compounds and microorganisms having oil release and/or plugging biofilm formation properties may be introduced into oil reservoirs to improve oil recovery.
    Type: Application
    Filed: November 17, 2011
    Publication date: November 22, 2012
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Eric R. Choban, Berardino D'Achille, Rachel L. Hardie, Michael P. Perry, Christina S. Stauffer, Bogdan Szostek
  • ALTERING THE INTERFACE OF HYDROCARBON-COATED SURFACES
    Publication number: 20110030956
    Abstract: Methods and compositions are provided wherein microorganisms are used to alter the interface of hydrocarbons and hydrocarbon-coated surfaces to increase oil recovery, for improved bioremediation and/or pipeline maintenance.
    Type: Application
    Filed: May 21, 2010
    Publication date: February 10, 2011
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: ERIC R. CHOBAN, ROBERT D. FALLON, EDWIN R. HENDRICKSON, SCOTT CHRISTOPHER JACKSON, ABIGAIL K. LUCKRING, MICHAEL P. PERRY, DAVID ALAN SUCHANEC, SHERYL M. ANYZEK
  • METHOD OF IN SITU BIOREMEDIATION OF HYDROCARBON-CONTAMINATED SITES USING AN ENRICHED ANAEROBIC STEADY STATE MICROBIAL CONSORTIUM
    Publication number: 20100216219
    Abstract: A method for in situ bioremediation of hydrocarbon-contaminated sites using an enriched steady state microbial consortium capable of modifying crude oil components under anaerobic denitrifying conditions is disclosed.
    Type: Application
    Filed: February 12, 2010
    Publication date: August 26, 2010
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Edwin R. Hendrickson, Abigail K. Luckring, Sharon Jo Keeler, Michael P. Perry, Eric R. Choban
  • STEADY STATE ANAEROBIC DENITRIFYING CONSORTIUM FOR APPLICATION IN IN-SITU BIOREMEDIATION OF HYDROCARBON-CONTAMINATED SITES AND ENHANCED OIL RECOVERY
    Publication number: 20100216217
    Abstract: Enriched steady state microbial consortiums for microbial enhanced oil recovery and in situ bioremediation of hydrocarbon-contaminated sites, under anaerobic denitrifying conditions, are disclosed.
    Type: Application
    Filed: February 12, 2010
    Publication date: August 26, 2010
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Edwin R. Hendrickson, Abigail K. Luckring, Sharon Jo Keeler, Michael P. Perry, Eric R. Choban
  • METHOD OF IMPROVING OIL RECOVERY FROM AN OIL RESERVOIR USING AN ENRICHED ANAEROBIC STEADY STATE MICROBIAL CONSORTIUM
    Publication number: 20100212888
    Abstract: The present disclosure relates to developing an enriched steady state microbial consortium capable of modifying crude oil components of an oil reservoir under anaerobic denitrifying conditions. The steady state consortium may be used to improve oil recovery.
    Type: Application
    Filed: February 12, 2010
    Publication date: August 26, 2010
    Applicant: E. I. DU PONT DE NEMOURS AND COMPANY
    Inventors: Edwin R. Hendrickson, Abigail K. Luckring, Sharon Jo Keeler, Michael P. Perry, Eric R. Choban
  • PROCESS FOR FORMING ALPHA, BETA-UNSATURATED CARBONYL HALIDES
    Publication number: 20100185013
    Abstract: A process for forming an ?,?-unsaturated carbonyl halide in a microreactor is described. The reactants comprise an ?,?-unsaturated carboxylic acid, a halogenating agent, and a catalyst. A first inlet stream, a second inlet stream, and an optional third inlet stream flow into a reaction chamber of a flow-through microreactor to form a reaction product comprising an ?,?-unsaturated carbonyl halide.
    Type: Application
    Filed: June 4, 2008
    Publication date: July 22, 2010
    Inventors: Matthew J. Pinnow, Eric R. Choban, Kim M. Vogel
  • Membraneless electrochemical cell and microfluidic device without pH constraint
    Patent number: 7635530
    Abstract: An electrochemical cell, comprises (a) a first electrode, (b) a second electrode, (c) a first fluid, in contact with the first electrode, and (d) a second fluid, in contact with the second electrode. The first fluid and the second fluid are in parallel laminar flow, and the first fluid has a pH different from the second fluid.
    Type: Grant
    Filed: March 21, 2005
    Date of Patent: December 22, 2009
    Assignee: The Board of Trustees of the University of Illinois
    Inventors: Paul J. A. Kenis, Andrzej Wieckowski, Eric R. Choban
  • Microfluid device and synthetic methods
    Patent number: 7273541
    Abstract: A method of electrolytic synthesis comprises applying a potential between a first electrode and a second electrode. The first electrode is in contact with a first fluid stream in a channel, the second electrode is in contact with a second fluid stream in the channel, and the first steam and the second stream are in parallel laminar flow in the channel.
    Type: Grant
    Filed: May 11, 2004
    Date of Patent: September 25, 2007
    Assignee: The Board of Trustees of the University of Illinois
    Inventors: Eric R. Choban, Piotr Waszczuk, Paul J. A. Kenis, Theodore Tzedakis, Seong Kee Yoon, Cheikhou Kane
  • Fuel cells comprising laminar flow induced dynamic conducting interfaces, electronic devices comprising such cells, and methods employing same
    Patent number: 7252898
    Abstract: A fuel cell is described that includes (a) a first electrode; (b) a second electrode; and (c) a channel contiguous with at least a portion of the first and the second electrodes. When a first liquid is contacted with the first electrode, a second liquid is contacted with the second electrode, and the first and the second liquids flow through the channel, a multistream laminar flow is established between the first and the second liquids. Electronic devices containing such electrochemical cells and methods for their use are also described.
    Type: Grant
    Filed: June 27, 2003
    Date of Patent: August 7, 2007
    Assignee: The Board of Trustees of the University of Illinois
    Inventors: Larry J. Markoski, Paul J. A. Kenis, Eric R. Choban
  • Emulsions for fuel cells
    Patent number: 7205064
    Abstract: A method for transporting a gas to an electrode in a fuel cell is provided, whereby the gas is dissolved in an emulsion comprising a fluorinated hydrocarbon, a surfactant and an aqueous electrolyte with a pH of at most 4 or at least 9, and the emulsion is contacted with the electrode.
    Type: Grant
    Filed: June 27, 2003
    Date of Patent: April 17, 2007
    Assignee: The Board of Trustees of the University of Illinois
    Inventors: Larry J. Markoski, Piotr Waszczuk, Paul J. A. Kenis, Eric R. Choban
  • Emulsions for fuel cells
    Publication number: 20040265681
    Abstract: A method for transporting a gas to an electrode in a fuel cell is provided, whereby the gas is dissolved in an emulsion comprising a fluorinated hydrocarbon, a surfactant and an aqueous electrolyte with a pH of at most 4 or at least 9, and the emulsion is contacted with the electrode.
    Type: Application
    Filed: June 27, 2003
    Publication date: December 30, 2004
    Inventors: Larry J. Markoski, Piotr Waszczuk, Paul J.A. Kenis, Eric R. Choban
  • Fuel cells comprising laminar flow induced dynamic conducting interfaces, electronic devices comprising such cells, and methods employing same
    Publication number: 20040072047
    Abstract: A fuel cell is described that includes (a) a first electrode; (b) a second electrode; and (c) a channel contiguous with at least a portion of the first and the second electrodes. When a first liquid is contacted with the first electrode, a second liquid is contacted with the second electrode, and the first and the second liquids flow through the channel, a multistream laminar flow is established between the first and the second liquids. Electronic devices containing such electrochemical cells and methods for their use are also described.
    Type: Application
    Filed: June 27, 2003
    Publication date: April 15, 2004
    Inventors: Larry J. Markoski, Paul J.A. Kenis, Eric R. Choban