Patents by Inventor Mark J. Hampden-Smith

Mark J. Hampden-Smith 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).

  • GLASS POWDERS, METHODS FOR PRODUCING GLASS POWDERS AND DEVICES FABRICATED FROM SAME
    Publication number: 20100236288
    Abstract: Glass powders and methods for producing glass powders. The powders preferably have a small particle size, narrow size distribution and a spherical morphology. The method includes forming the particles by a spray pyrolysis technique. The invention also includes novel devices and products formed from the glass powders.
    Type: Application
    Filed: December 15, 2009
    Publication date: September 23, 2010
    Applicant: CABOT CORPORATION
    Inventors: Toivo T. Kodas, Mark J. Hampden-Smith, James Caruso, Quint H. Powell, Audunn Ludviksson
  • AEROSOL METHOD AND APPARATUS, PARTICULATE PRODUCTS, AND ELECTRONIC DEVICES MADE THEREFROM
    Publication number: 20100230841
    Abstract: Provided is an aerosol method, and accompanying apparatus, for preparing powdered products of a variety of materials involving the use of an ultrasonic aerosol generator (106) including a plurality of ultrasonic transducers (120) underlying and ultrasonically energizing a reservoir of liquid feed (102) which forms droplets of the aerosol. Carrier gas (104) is delivered to different portions of the reservoir by a plurality of gas delivery ports (136) delivering gas from a gas delivery system. The aerosol is pyrolyzed to form particles, which are then cooled and collected. The invention also provides powders made by the method and devices made using the powders.
    Type: Application
    Filed: December 15, 2009
    Publication date: September 16, 2010
    Applicant: CABOT CORPORATION
    Inventors: Mark J. Hampden-Smith, Toivo T. Kodas, Quint H. Powell, Daniel J. Skamser, James Caruso, Clive D. Chandler
  • Production of metal nanoparticles
    Patent number: 7749299
    Abstract: A process for the production of metal nanoparticles. The process comprises a rapid mixing of a solution of at least about 0.1 mole of a metal compound that is capable of being reduced to a metal by a polyol with a heated solution of a polyol and a substance that is capable of being adsorbed on the nanoparticles.
    Type: Grant
    Filed: January 13, 2006
    Date of Patent: July 6, 2010
    Assignee: Cabot Corporation
    Inventors: Karel Vanheusden, Klaus Kunze, Hyungrak Kiim, Aaron D. Stump, Allen B. Schult, Mark J. Hampden-Smith, Chuck Edwards, Anthony R. James, James Caruso, Toivo T. Kodas, Scott Thomas Haubrich, Mark H. Kowalski
  • FUEL REFORMER CATALYST AND ABSORBENT MATERIALS
    Publication number: 20100158791
    Abstract: Materials that are useful for absorption enhanced reforming (AER) of a fuel, including absorbent materials and catalyst materials and methods for using the materials. The materials can be fabricated by spray processing. The use of the materials in AER can produce a H2 product gas having a high H2 content and a low level of carbon oxides.
    Type: Application
    Filed: August 25, 2009
    Publication date: June 24, 2010
    Applicant: CABOT CORPORATION
    Inventors: Mark J. Hampden-Smith, Paolina Atanassova, Jian-Ping Shen, James Brewster, Paul Napolitano
  • METAL-CONTAINING NANOPARTICLES, THEIR SYNTHESIS AND USE
    Publication number: 20100151267
    Abstract: A powder batch is described comprising single crystal metal-containing particles having a crystal size of less than 50 nm as measured by X-ray diffraction and having a weight average particle size of from about 10 nanometers to less than 100 nanometers as measured by transmission electron microscopy and including a continuous or non-continuous coating of a ceramic material. The powder batch is preferably produced by flame spraying.
    Type: Application
    Filed: June 19, 2007
    Publication date: June 17, 2010
    Applicant: Cabot Corporation
    Inventors: Toivo T. Kodas, Miodrag Oljaca, Mark J. Hampden-Smith, George P. Fotou, Ralph E. Kornbrekke, Jian-Ping Shen
  • Particulate absorbent materials
    Patent number: 7732372
    Abstract: Solid absorbent materials that are useful for absorption of chemical species from a fluid, such as a gas stream or a liquid stream. The absorbent materials are formed by spray processing and posses a well-defined chemical composition and microstructure. The absorbent materials can have a high absorption capacity for a chemical species such as H2S, CO2, NOx, and H2 and have a high recylability, such that the chemical species can be absorbed and desorbed over a large number of cycles.
    Type: Grant
    Filed: November 24, 2004
    Date of Patent: June 8, 2010
    Assignee: Cabot Corporation
    Inventors: Mark J. Hampden-Smith, Paolina Atanassova, Jian-Ping Shen, James Brewster, Paul Napolitano, Agathagelos Kyrlidis
  • Method for the fabrication of conductive electronic features
    Patent number: 7732002
    Abstract: Precursor compositions in the form of a tape that can be transferred to a substrate and converted to an electronic feature at a relatively low temperature, such as not greater than about 200° C. The tape composition can be disposed on a carrier to form a ribbon structure that is flexible and can be handled in a variety of industrial processes.
    Type: Grant
    Filed: October 18, 2002
    Date of Patent: June 8, 2010
    Assignee: Cabot Corporation
    Inventors: Toivo T. Kodas, Mark J. Hampden-Smith, Karel Vanheusden, Hugh Denham, Aaron D. Stump, Allen B. Schult, Paolina Atanassova, Klaus Kunze
  • Coated nickel-containing powders
    Patent number: 7727630
    Abstract: Nickel powder batches and methods for producing nickel powder batches. The powder batches include particles having a small particle size, narrow size distribution and a spherical morphology. The present invention is also directed to devices incorporating the nickel metal powders.
    Type: Grant
    Filed: June 5, 2008
    Date of Patent: June 1, 2010
    Assignee: Cabot Corporation
    Inventors: Toivo T. Kodas, Mark J. Hampden-Smith, James Caruso, Quint H. Powell, Daniel J. Skamser, Clive D. Chandler
  • Methods for the deposition of electrocatalyst particles
    Patent number: 7722687
    Abstract: Energy devices such as batteries and methods for fabricating the energy devices. The devices are small, thin and lightweight, yet provide sufficient power for many handheld electronics.
    Type: Grant
    Filed: June 14, 2006
    Date of Patent: May 25, 2010
    Assignee: Cabot Corporation
    Inventors: Mark J. Hampden-Smith, Toivo T. Kodas, Plamen Atanassov, Paolina Atanassova, Klaus Kunze, Paul Napolitano, David Dericotte, Rimple Bhatia
  • Method of producing membrane electrode assemblies for use in proton exchange membrane and direct methanol fuel cells
    Patent number: 7713899
    Abstract: Compositions and methods for the manufacture of electrodes for fuel cells. The compositions and methods are particularly useful for the manufacture of anodes and cathodes for proton exchange membrane fuel cells, particularly direct methanol fuel cells. The methods can utilize direct-write tools to deposit ink compositions and form functional layers of a membrane electrode assembly having controlled properties and enhanced performance.
    Type: Grant
    Filed: July 3, 2006
    Date of Patent: May 11, 2010
    Assignee: Cabot Corporation
    Inventors: Mark J. Hampden-Smith, Toivo T. Kodas, Paolina Atanassova, Rimple Bhatia, Ross A. Miesem, Paul Napolitano, Gordon L. Rice
  • METHOD FOR THE FABRICATION OF CONDUCTIVE ELECTRONIC FEATURES
    Publication number: 20100112195
    Abstract: Precursor compositions in the form of a tape that can be transferred to a substrate and converted to an electronic feature at a relatively low temperature, such as not greater than about 200° C. The tape composition can be disposed on a carrier to form a ribbon structure that is flexible and can be handled in a variety of industrial processes.
    Type: Application
    Filed: October 18, 2002
    Publication date: May 6, 2010
    Inventors: Toivo T. Kodas, Mark J. Hampden-Smith, Karel Vanheusden, Hugh Denham, Aaron D. Stump, Allen B. Schult, Paolina Atanassova, Klaus Kunze
  • High surface area tetragonal zirconia and processes for synthesizing same
    Patent number: 7704483
    Abstract: A zirconia-containing composition and processes for synthesizing same. The composition comprises least about 99.9 percent tetragonal phase zirconia, based on the total crystalline zirconia in the zirconia-containing composition as determined by x-ray diffraction (XRD). The composition also has a substantially spherical morphology and comprises less than 100 wppm chlorine, based on the total weight of the zirconia-containing composition. The zirconia-containing composition has an average surface area of at least 80 m2/g and an average particle size of less than about 10 microns.
    Type: Grant
    Filed: April 29, 2005
    Date of Patent: April 27, 2010
    Assignee: Cabot Corporation
    Inventors: Jian-Ping Shen, Qi Fu, Jian Zheng, Paolina Atanassova, Mark J. Hampden-Smith
  • LUMINESCENT COMPOSITIONS, METHODS FOR MAKING LUMINESCENT COMPOSITIONS AND INKS INCORPORATING THE SAME
    Publication number: 20100084852
    Abstract: A particulate luminescent composition is disclosed that, when excited by electromagnetic radiation at a first frequency, emits electromagnetic radiation at a second frequency equal to or within 1500 cm?1 of the first frequency. The luminescent composition comprises substantially spherical particles having a weight average particle size of less than about 10 ?m and a particle size distribution such that at least about 90 weight percent of the particles are not larger than twice the average particle size.
    Type: Application
    Filed: December 8, 2009
    Publication date: April 8, 2010
    Applicant: CABOT CORPORATION
    Inventors: Mark J. Hampden-Smith, Liam Noailles, Richard Anthony Einhorn, Darryl S. Williams
  • Low viscosity precursor compositions and methods for the deposition of conductive electronic features
    Patent number: 7691664
    Abstract: A precursor composition for the deposition and formation of an electrical feature such as a conductive feature. The precursor composition advantageously has a low viscosity enabling deposition using direct-write tools. The precursor composition also has a low conversion temperature, enabling the deposition and conversion to an electrical feature on low temperature substrates. A particularly preferred precursor composition includes silver metal for the formation of highly conductive silver features.
    Type: Grant
    Filed: December 21, 2006
    Date of Patent: April 6, 2010
    Assignee: Cabot Corporation
    Inventors: Toivo T. Kodas, Mark J. Hampden-Smith, Karel Vanheusden, Hugh Denham, Aaron D. Stump, Allen B. Schult, Paolina Atanassova, Klaus Kunze
  • Low viscosity precursor compositions and methods for the deposition of conductive electronic features
    Publication number: 20100034986
    Abstract: A precursor composition for the deposition and formation of an electrical feature such as a conductive feature. The precursor composition advantageously has a low viscosity enabling deposition using direct-write tools. The precursor composition also has a low conversion temperature, enabling the deposition and conversion to an electrical feature on low temperature substrates. A particularly preferred precursor composition includes silver metal for the formation of highly conductive silver features.
    Type: Application
    Filed: December 21, 2006
    Publication date: February 11, 2010
    Applicant: Cabot Corporation
    Inventors: Toivo T. Kodas, Mark J. Hampden-Smith, Karel Vanheusden, Hugh Denham, Aaron D. Stump, Allen B. Schult, Paolina Atanassova, Klaus Kunze
  • SECURITY FEATURES AND PROCESSES FOR FORMING SAME
    Publication number: 20100021634
    Abstract: Security features, e.g., reflective security features, and processes for forming security features are described. The security features comprise crystalline metal-containing particles having a primary particle size of from about 10 nanometers to less than 500 nanometers and including a continuous or non-continuous coating of a ceramic material. Inks comprising such crystalline metal-containing particles are also described. The crystalline metal-containing particles are preferably produced by flame spraying.
    Type: Application
    Filed: June 19, 2007
    Publication date: January 28, 2010
    Applicant: Cabot Corporation
    Inventors: Toivo T. Kodas, Miodrag Oljaca, Mark J. Hampden-Smith, George P. Fotou, Ralph E. Kornbrekke, Jian-Ping Shen
  • Method of producing membrane electrode assemblies for use in proton exchange membrane and direct methanol fuel cells
    Patent number: 7642213
    Abstract: Compositions and methods for the manufacture of electrodes for fuel cells. The compositions and methods are particularly useful for the manufacture of anodes and cathodes for proton exchange membrane fuel cells, particularly direct methanol fuel cells. The methods can utilize direct-write tools to deposit ink compositions and form functional layers of a membrane electrode assembly having controlled properties and enhanced performance.
    Type: Grant
    Filed: August 14, 2006
    Date of Patent: January 5, 2010
    Assignee: Cabot Corporation
    Inventors: Mark J. Hampden-Smith, Toivo T. Kodas, Paolina Atanassova, Rimple Bhatia, Ross A. Miesem, Paul Napolitano, Gordon L. Rice
  • Glass powders, methods for producing glass powders and devices fabricated from same
    Patent number: 7631518
    Abstract: Methods for producing glass powders are provided. The methods include generating an aerosol stream comprising droplets that include a liquid and a glass precursor. Glass particles are formed in the aerosol stream having a small average particle size. The powders can also have a small particle size, narrow size distribution, a high density and a spherical morphology. The invention also includes devices and products formed from the glass powders.
    Type: Grant
    Filed: December 3, 2004
    Date of Patent: December 15, 2009
    Assignee: Cabot Corporation
    Inventors: Toivo T. Kodas, Mark J. Hampden-Smith, James Caruso, Quint H. Powell, Audunn Ludviksson
  • Aerosol method and apparatus, particulate products, and electronic devices made therefrom
    Patent number: 7632331
    Abstract: Provided is an aerosol method, and accompanying apparatus, for preparing powdered products of a variety of materials involving the use of an ultrasonic aerosol generator (106) including a plurality of ultrasonic transducers (120) underlying and ultrasonically energizing a reservoir of liquid feed (102) which forms droplets of the aerosol. Carrier gas (104) is delivered to different portions of the reservoir by a plurality of gas delivery ports (136) delivering gas from a gas delivery system. The aerosol is pyrolyzed to form particles, which are then cooled and collected. The invention also provides powders made by the method and devices made using the powders.
    Type: Grant
    Filed: February 19, 2007
    Date of Patent: December 15, 2009
    Assignee: Cabot Corporation
    Inventors: Mark J. Hampden-Smith, Toivo T. Kodas, Quint H. Powell, Daniel J. Skamser, James Caruso, Clive D. Chandler
  • Methods for the deposition of conductive electronic features
    Patent number: 7629017
    Abstract: A precursor composition for the deposition and formation of an electrical feature such as a conductive feature. The precursor composition advantageously has a low viscosity enabling deposition using direct-write tools. The precursor composition also has a low conversion temperature, enabling the deposition and conversion to an electrical feature on low temperature substrates. A particularly preferred precursor composition includes copper metal for the formation of highly conductive copper features.
    Type: Grant
    Filed: October 4, 2002
    Date of Patent: December 8, 2009
    Assignee: Cabot Corporation
    Inventors: Toivo T. Kodas, Mark J. Hampden-Smith, Karel Vanheusden, Hugh Denham, Aaron D. Stump, Allen B. Schult, Paolina Atanassova, Klaus Kunze