Patents by Inventor Madhu Anand

Madhu Anand 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).

  • Patent number: 8450545
    Abstract: A process of modifying a zeolite catalyst to produce a modified zeolite catalyst wherein the modified zeolite catalyst has blocked pore sites. An oxygenated feed is flowed over the modified zeolite catalyst, wherein the oxygenated feed comprises hydrocarbons, methanol and dimethyl ether or a mixture thereof. The hydrocarbons, methanol and dimethyl ether in the oxygenated feed react with the modified zeolite catalyst to produce cyclic hydrocarbons, wherein the cyclic hydrocarbons produced has less than 10% durene and a median carbon number is C8.
    Type: Grant
    Filed: July 24, 2009
    Date of Patent: May 28, 2013
    Assignee: Phillips 66 Company
    Inventors: Glenn W. Dodwell, Joe D. Allison, Shetian Liu, Scott McQueen, Dennis G. Schultz, Byron G. Johnson, Madhu Anand, Melinda L. Johnson, Larry E. Reed, Brian C. Dunn
  • Patent number: 8420564
    Abstract: A method of producing a MoS2 catalyst. The method begins by the decomposition of ammonium tetrathiomolybdate in an organic solvent. This decomposition is done in the presence of a solution comprising: a solvent and a promoter, and done under gaseous pressure.
    Type: Grant
    Filed: September 19, 2011
    Date of Patent: April 16, 2013
    Assignee: Phillips 66 Company
    Inventors: Madhu Anand, Joe D. Allison
  • Patent number: 8377831
    Abstract: A method for size selection of nanostructures comprising utilizing a gas-expanded liquids (GEL) and controlled pressure to precipitate desired size populations of nanostructures, e.g., monodisperse. The GEL can comprise CO2 antisolvent and an organic solvent. The method can be carried out in an apparatus comprising a first open vessel configured to allow movement of a liquid/particle solution to specific desired locations within the vessel, a second pressure vessel, a location controller for controlling location of the particles and solution within the first vessel, a inlet for addition of antisolvent to the first vessel, and a device for measuring the amount of antisolvent added. Also disclosed is a method for forming nanoparticle thin films comprising utilizing a GEL containing a substrate, pressurizing the solution to precipitate and deposit nanoparticles onto the substrate, removing the solvent thereby leaving a thin nanoparticle film, removing the solvent and antisolvent, and drying the film.
    Type: Grant
    Filed: April 8, 2008
    Date of Patent: February 19, 2013
    Assignee: Auburn University
    Inventors: Christopher B. Roberts, Marshall Chandler McLeod, Madhu Anand
  • Publication number: 20120215047
    Abstract: Cellulose and hemicellulose from biomass can be broken down to C6 and C5 sugars and further converted to corresponding sugar alcohols. It is now found that a new catalyst, MoS2, is active for the hydrogenation of sugar alcohols to hydrocarbons. Combining the technologies listed above allows us to convert the cellulose/hemicellulose to liquid hydrocarbons.
    Type: Application
    Filed: September 15, 2011
    Publication date: August 23, 2012
    Applicant: CONOCOPHILLIPS COMPANY
    Inventors: Madhu ANAND, Jianhua YAO, Edward L. SUGHRUE, II
  • Publication number: 20120201898
    Abstract: The present invention is for extremely pure solutions of chlorine dioxide, methods for making such solutions and to compositions and methods for storing, shipping and using such solutions. Generally, the chlorine dioxide solutions of the invention are aqueous solutions containing about 2500 ppm or less of total impurities. The chlorine dioxide solution can be prepare by passing dilute highly pure chlorine gas through a bed of substantially solid sodium chloride and contacting the resulting chlorine dioxide gas with a liquid.
    Type: Application
    Filed: February 3, 2012
    Publication date: August 9, 2012
    Applicant: CDG Environmental, LLC.
    Inventors: Thomas Ellsworth McWhorter, Peter Kazlas, Madhu Anand, John Peter Hobbs, Aaron A. Rosenblatt, Robert H. Shay, Barzin Keramati
  • Publication number: 20120201899
    Abstract: The present invention is for extremely pure solutions of chlorine dioxide, methods for making such solutions and to compositions and methods for storing, shipping and using such solutions. Generally, the chlorine dioxide solutions of the invention are aqueous solutions containing about 2500 ppm or less of total impurities. The chlorine dioxide solution can be prepare by passing dilute highly pure chlorine gas through a bed of substantially solid sodium chloride and contacting the resulting chlorine dioxide gas with a liquid.
    Type: Application
    Filed: February 3, 2012
    Publication date: August 9, 2012
    Applicant: CDG Environmental, LLC
    Inventors: Thomas Ellsworth McWhorter, Peter Kazlas, Madhu Anand, John Peter Hobbs, Aaron A. Rosenblatt, Robert H. Shay, Barzin Keramati
  • Publication number: 20120135167
    Abstract: The present invention is for extremely pure solutions of chlorine dioxide, methods for making such solutions and to compositions and methods for storing, shipping and using such solutions. Generally, the chlorine dioxide solutions of the invention are aqueous solutions containing about 2500 ppm or less of total impurities. The chlorine dioxide solution can be prepare by passing dilute highly pure chlorine gas through a bed of substantially solid sodium chloride and contacting the resulting chlorine dioxide gas with a liquid.
    Type: Application
    Filed: February 3, 2012
    Publication date: May 31, 2012
    Applicant: CDG Environmental, LLC
    Inventors: Thomas Ellsworth McWhorter, Peter Kazlas, Madhu Anand, John Peter Hobbs, Aaron A. Rosenblatt, Robert H. Shay, Barzin Keramati
  • Publication number: 20120131887
    Abstract: The present invention is for extremely pure solutions of chlorine dioxide, methods for making such solutions and to compositions and methods for storing, shipping and using such solutions. Generally, the chlorine dioxide solutions of the invention are aqueous solutions containing about 2500 ppm or less of total impurities. The chlorine dioxide solution can be prepare by passing dilute highly pure chlorine gas through a bed of substantially solid sodium chloride and contacting the resulting chlorine dioxide gas with a liquid.
    Type: Application
    Filed: February 3, 2012
    Publication date: May 31, 2012
    Applicant: CDG Environmental, LLC
    Inventors: Thomas Ellsworth McWhorter, Peter Kazlas, Madhu Anand, John Peter Hobbs, Aaron A. Rosenblatt, Robert H. Shay, Barzin Keramati
  • Publication number: 20120076720
    Abstract: A method of producing a MoS2 catalyst. The method begins by the decomposition of ammonium tetrathiomolybdate in an organic solvent. This decomposition is done in the presence of a solution comprising: a solvent and a promoter, and done under gaseous pressure.
    Type: Application
    Filed: September 19, 2011
    Publication date: March 29, 2012
    Applicant: ConocoPhillips Company
    Inventors: Madhu Anand, Joe D. Allison
  • Patent number: 7955588
    Abstract: Methods and apparatus relate to catalysts and preparation of the catalysts, which are defined by sulfides of a transition metal, such as one of molybdenum, tungsten, and vanadium. Precursors for the catalysts include a metal ion source compound, such as molybdenum trioxide, and a sulfide ion source compound, such as thioacetamide. Once the precursors are dissolved if solid and combined in a mixture, homogenous precipitation from the mixture forms the catalysts. Exemplary uses of the catalysts include packing for a methanation reactor that converts carbon monoxide and hydrogen into methane.
    Type: Grant
    Filed: May 20, 2010
    Date of Patent: June 7, 2011
    Assignee: ConocoPhillips Company
    Inventors: Madhu Anand, Brian C. Dunn, Glenn W. Dodwell
  • Publication number: 20110098368
    Abstract: Methods and apparatus relate to catalysts and preparation of the catalysts, which are defined by sulfides of a transition metal, such as one of molybdenum, tungsten, and vanadium. Precipitation forms the catalysts and occurs in a slurry media in which the pH is adjusted. Exemplary uses of the catalysts include packing for a methanation reactor that converts carbon monoxide and hydrogen into methane.
    Type: Application
    Filed: October 19, 2010
    Publication date: April 28, 2011
    Applicant: ConocoPhillips Company
    Inventor: Madhu Anand
  • Publication number: 20100323527
    Abstract: A method for size selection of nanostructures comprising utilizing a gas-expanded liquids (GEL) and controlled pressure to precipitate desired size populations of nanostructures, e.g., monodisperse. The GEL can comprise CO2 antisolvent and an organic solvent. The method can be carried out in an apparatus comprising a first open vessel configured to allow movement of a liquid/particle solution to specific desired locations within the vessel, a second pressure vessel, a location controller for controlling location of the particles and solution within the first vessel, a inlet for addition of antisolvent to the first vessel, and a device for measuring the amount of antisolvent added. Also disclosed is a method for forming nanoparticle thin films comprising utilizing a GEL containing a substrate, pressurizing the solution to precipitate and deposit nanoparticles onto the substrate, removing the solvent thereby leaving a thin nanoparticle film, removing the solvent and antisolvent, and drying the film.
    Type: Application
    Filed: April 8, 2008
    Publication date: December 23, 2010
    Inventors: Christopher B. Roberts, Marshall Chandler McLeod, Madhu Anand
  • Publication number: 20100304964
    Abstract: Methods and apparatus relate to catalysts and preparation of the catalysts, which are defined by sulfides of a transition metal, such as one of molybdenum, tungsten, and vanadium. Precursors for the catalysts include a metal ion source compound, such as molybdenum trioxide, and a sulfide ion source compound, such as thioacetamide. Once the precursors are dissolved if solid and combined in a mixture, homogenous precipitation from the mixture forms the catalysts. Exemplary uses of the catalysts include packing for a methanation reactor that converts carbon monoxide and hydrogen into methane.
    Type: Application
    Filed: May 20, 2010
    Publication date: December 2, 2010
    Applicant: ConocoPhillips Company
    Inventors: Madhu Anand, Brian C. Dunn, Glenn W. Dodwell
  • Publication number: 20100209528
    Abstract: The present invention is for extremely pure solutions of chlorine dioxide, methods for making such solutions and to compositions and methods for storing, shipping and using such solutions. Generally, the chlorine dioxide solutions of the invention are aqueous solutions containing about 2500 ppm or less of total impurities. The chlorine dioxide solution can be prepared by passing dilute highly pure chlorine gas through a bed of substantially solid sodium chlorite and contacting the resulting chlorine dioxide gas with a liquid.
    Type: Application
    Filed: November 14, 2006
    Publication date: August 19, 2010
    Applicant: CDG RESEARCH CORPORATION
    Inventors: Thomas Ellsworth McWhorter, Aaron Rosenblatt, Robert Shay, Barzin Keramati, Peter Kazlas, Madhu Anand
  • Publication number: 20100041932
    Abstract: A process of modifying a zeolite catalyst to produce a modified zeolite catalyst wherein the modified zeolite catalyst has blocked pore sites. An oxygenated feed is flowed over the modified zeolite catalyst, wherein the oxygenated feed comprises hydrocarbons, methanol and dimethyl ether or a mixture thereof. The hydrocarbons, methanol and dimethyl ether in the oxygenated feed react with the modified zeolite catalyst to produce cyclic hydrocarbons, wherein the cyclic hydrocarbons produced has less than 10% durene and a median carbon number is C8.
    Type: Application
    Filed: July 24, 2009
    Publication date: February 18, 2010
    Applicant: ConocoPhillips Company
    Inventors: Glenn W. Dodwell, Joe D. Allison, Shetian Liu, Scott McQueen, Dennis G. Schultz, Byron G. Johnson, Madhu Anand, Melinda L. Johnson, Larry E. Reed, Brian C. Dunn
  • Publication number: 20090142226
    Abstract: New compositions and methods are disclosed for decontaminating surfaces and enclosures that avoid problems such as salt deposits, corrosion and condensation that accompany the use of known methods. The process involves the use of chlorine dioxide solutions prepared by passing dilute chlorine gas over solid granular sodium chlorite to produce chlorine dioxide gas which is then collected in solution. The chlorine dioxide gas can be introduced into an enclosure and used to disinfect a portion of the contents of the enclosure.
    Type: Application
    Filed: April 5, 2007
    Publication date: June 4, 2009
    Applicant: CDG RESEARCH CORPORATION
    Inventors: Thomas Ellsworth McWhorter, Aaron Rosenblatt, Madhu Anand, John Peter Hobbs
  • Patent number: 7384879
    Abstract: A method for size selection of nanostructures comprising utilizing a gas-expanded liquids (GEL) and controlled pressure to precipitate desired size populations of nanostructures, e.g., monodisperse. The GEL can comprise CO2 antisolvent and an organic solvent. The method can be carried out in an apparatus comprising a first open vessel configured to allow movement of a liquid/particle solution to specific desired locations within the vessel, a second pressure vessel, a location controller for controlling location of the particles and solution within the first vessel, a inlet for addition of antisolvent to the first vessel, and a device for measuring the amount of antisolvent added. Also disclosed is a method for forming nanoparticle thin films comprising utilizing a GEL containing a substrate, pressurizing the solution to precipitate and deposit nanoparticles onto the substrate, removing the solvent thereby leaving a thin nanoparticle film, removing the solvent and antisolvent, and drying the film.
    Type: Grant
    Filed: September 27, 2005
    Date of Patent: June 10, 2008
    Assignee: Auburn University
    Inventors: Christopher B. Roberts, Marshall Chandler McLeod, Madhu Anand
  • Publication number: 20070243716
    Abstract: A method for size selection of nanostructures comprising utilizing a gas-expanded liquids (GEL) and controlled pressure to precipitate desired size populations of nanostructures, e.g., monodisperse. The GEL can comprise CO2 antisolvent and an organic solvent. The method can be carried out in an apparatus comprising a first open vessel configured to allow movement of a liquid/particle solution to specific desired locations within the vessel, a second pressure vessel, a location controller for controlling location of the particles and solution within the first vessel, a inlet for addition of antisolvent to the first vessel, and a device for measuring the amount of antisolvent added. Also disclosed is a method for forming nanoparticle thin films comprising utilizing a GEL containing a substrate, pressurizing the solution to precipitate and deposit nanoparticles onto the substrate, removing the solvent thereby leaving a thin nanoparticle film, removing the solvent and antisolvent, and drying the film.
    Type: Application
    Filed: September 27, 2005
    Publication date: October 18, 2007
    Inventors: Christopher Roberts, Marshall McLeod, Madhu Anand
  • Patent number: 6328945
    Abstract: A process for producing carbon monoxide (CO) by reforming methane and steam in the presence of a reforming catalyst to produce a reformate product enriched in CO, carbon dioxide (CO2) and hydrogen. CO2 in the enriched reformate is shifted to CO in an integrated sorption enhanced reaction (SER) cycle which employs a series of cyclic steps to facilitate reaction of CO2 and hydrogen at high conversion and to produce a CO-enriched product obtained at reactor feed pressure and at essentially constant flow rate. A series of adsorbent regeneration step including depressurization, purging and product pressurization are used to desorb water which is selectively adsorbed by the adsorbent during the shift reaction and to prepare the reactor for a subsequent process cycle.
    Type: Grant
    Filed: April 8, 1996
    Date of Patent: December 11, 2001
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Jeffrey Raymond Hufton, Shivaji Sircar, William Frederick Baade, Joseph Michael Abrardo, Madhu Anand
  • Patent number: 6312658
    Abstract: The present invention is a process for producing an essentially pure carbon monoxide (CO) product and an essentially pure hydrogen product by reforming a hydrocarbon such as methane and steam in the presence of a reforming catalyst to produce a reformate product enriched in CO, carbon dioxide and hydrogen. The reformate is subjected to an integrated series of separation steps and carbon dioxide present in a portion of the waste effluent recovered from such series of spearation steps is shifted to CO in an integrated sorption enhanced reaction (SER) process.
    Type: Grant
    Filed: April 8, 1996
    Date of Patent: November 6, 2001
    Assignee: Air Products and Chemicals, Inc.
    Inventors: Jeffrey Raymond Hufton, Shivaji Sircar, William Frederick Baade, Joseph Michael Abrardo, Madhu Anand