Patents by Inventor Tapesh Yadav

Tapesh Yadav 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: 7776383
    Abstract: Methods for discover of ceramic nanomaterial suitable for an application by preparing an array of first layer of electrodes and printing ceramic nanomaterial films on the electrodes. A second layer of electrodes is printed on the nanomaterial films of ceramics to form an electroded film array. The electroded film array is sintered. Properties of the sintered electroded film array are measured and one of the array elements with properties suited for the particular application is identified.
    Type: Grant
    Filed: March 1, 2005
    Date of Patent: August 17, 2010
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Tapesh Yadav, Clayton Kostelecky
  • Patent number: 7713350
    Abstract: A pigment with modified properties because of the powder size being below 100 nanometers. Blue, yellow and brown pigments are illustrated. Nanoscale coated, un-coated, whisker inorganic fillers are included. Stoichiometric and non-stoichiometric composition are disclosed. The pigment nanopowders taught comprise one or more elements from the group actinium, aluminum, antimony, arsenic, barium, beryllium, bismuth, cadmium, calcium, cerium, cesium, cobalt, copper, chalcogenide, dysprosium, erbium, europium, gadolinium, gallium, gold, hafnium, hydrogen, indium, iridium, iron, lanthanum, lithium, magnesium, manganese, mendelevium, mercury, molybdenum, neodymium, neptunium, nickel niobium, nitrogen, oxygen, osmium, palladium, platinum, potassium, praseodymium, promethium, protactinium, rhenium, rubidium, scandium, silver, sodium, strontium, tantalum, terbium, thallium, thorium, tin, titanium, tungsten, vanadium, ytterbium, yttrium, zinc and zirconium.
    Type: Grant
    Filed: June 20, 2007
    Date of Patent: May 11, 2010
    Assignee: PPG Industries Ohio, Inc.
    Inventor: Tapesh Yadav
  • Patent number: 7708974
    Abstract: Nanoparticles comprising tungsten, methods of manufacturing nanoparticles comprising tungsten, and applications of nanoparticles comprising tungsten, such as electronics, optical devices, photonics, reagents for fine chemical synthesis, pigments, and catalysts are provided.
    Type: Grant
    Filed: May 10, 2005
    Date of Patent: May 4, 2010
    Assignee: PPG Industries Ohio, Inc.
    Inventor: Tapesh Yadav
  • Patent number: 7683098
    Abstract: Methods for manufacturing nanomaterial dispersions, such as nanomaterial concentrates, and related nanotechnology are provided. The nanomaterial concentrates provided can be more cheaply stored and transported compared to non-concentrate nanomaterial forms.
    Type: Grant
    Filed: June 21, 2005
    Date of Patent: March 23, 2010
    Assignee: PPG Industries Ohio, Inc.
    Inventor: Tapesh Yadav
  • Publication number: 20090220698
    Abstract: Rare earth compositions comprising nanoparticles are described along with various nanotechnology applications of such nanoparticles. The compositions of the nanomaterials discussed may include scandium (Sc), yttrium (Y), lanthanum (La), cerium (Ce), praseodymium (Pr), neodymium (Nd), promethium (Pm), samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), erbium Er), thulium (Tm), ytterbium (Yb), and lutetium (Lu).
    Type: Application
    Filed: February 2, 2009
    Publication date: September 3, 2009
    Applicant: PPG Industries Ohio, Inc.
    Inventor: Tapesh Yadav
  • Publication number: 20090184281
    Abstract: Nanotechnology methods for creating stoichiometric and non-stoichiometric substances with unusual combination of properties by lattice level composition engineering are described.
    Type: Application
    Filed: October 31, 2003
    Publication date: July 23, 2009
    Inventors: Tapesh Yadav, John Alexander
  • Patent number: 7559494
    Abstract: Nanotechnology methods for creating stoichiometric and non-stoichiometric substances with unusual combination of properties by lattice level composition engineering are described.
    Type: Grant
    Filed: October 31, 2003
    Date of Patent: July 14, 2009
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Tapesh Yadav, John Alexander
  • Patent number: 7547431
    Abstract: A method of producing high purity nanoscale powders in which the purity of powders produced by the method exceeds 99.99%. Fine powders produced are of size preferably less than 1 micron, and more preferably less than 100 nanometers. Methods for producing such powders in high volume, low-cost, and reproducible quality are also outlined. The fine powders are envisioned to be useful in various applications such as biomedical, sensor, electronic, electrical, photonic, thermal, piezo, magnetic, catalytic and electrochemical products.
    Type: Grant
    Filed: December 10, 2002
    Date of Patent: June 16, 2009
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Tapesh Yadav, Karl Pfaffenbach
  • Patent number: 7498005
    Abstract: Rare earth compositions comprising nanoparticles are described along with various nanotechnology applications of such nanoparticles. The compositions of the nanomaterials discussed may include scandium (Sc), yttrium (Y), lanthanum (La), cerium (Ce), praseodymium (Pr), neodymium (Nd), promethium (Pm), samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium (Yb), and lutetium (Lu).
    Type: Grant
    Filed: May 21, 2007
    Date of Patent: March 3, 2009
    Assignee: PPG Industries Ohio, Inc.
    Inventor: Tapesh Yadav
  • Publication number: 20080156228
    Abstract: A pigment with modified properties because of the powder size being below 100 nanometers. Blue, yellow and brown pigments are illustrated. Nanoscale coated, un-coated, whisker inorganic fillers are included. Stoichiometric and non-stoichiometric composition are disclosed. The pigment nanopowders taught comprise one or more elements from the group actinium, aluminum, antimony, arsenic, barium, beryllium, bismuth, cadmium, calcium, cerium, cesium, cobalt, copper, chalcogenide, dysprosium, erbium, europium, gadolinium, gallium, gold, hafnium, hydrogen, indium, iridium, iron, lanthanum, lithium, magnesium, manganese, mendelevium, mercury, molybdenum, neodymium, neptunium, nickel niobium, nitrogen, oxygen, osmium, palladium, platinum, potassium, praseodymium, promethium, protactinium, rhenium, rubidium, scandium, silver, sodium, strontium, tantalum, terbium, thallium, thorium, tin, titanium, tungsten, vanadium, ytterbium, yttrium, zinc and zirconium.
    Type: Application
    Filed: June 20, 2007
    Publication date: July 3, 2008
    Applicant: NanoProducts Corporation
    Inventor: Tapesh Yadav
  • Publication number: 20080142764
    Abstract: Methods for preparing low resistivity nanocomposite layers that simultaneously offer optical clarity, wear resistance and superior functional performance. Nanofillers and a substance having a polymer are mixed. Both low-loaded and highly-loaded nanocomposites are included. Nanoscale coated and un-coated fillers may be used. Nanocomposite films may be coated on substrates.
    Type: Application
    Filed: June 12, 2007
    Publication date: June 19, 2008
    Inventors: Tapesh Yadav, Clayton Kostelecky
  • Patent number: 7388042
    Abstract: Biomedical nanocomposite implants having both low-loaded and highly-loaded nanocomposites. A matrix and nanofillers are provided wherein the nanofillers are dispersed in the matrix to form a composite. Nanoscale coated and un-coated fillers are used. Methods for preparing biomedical nanocomposite implants are also illustrated.
    Type: Grant
    Filed: April 28, 2003
    Date of Patent: June 17, 2008
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Tapesh Yadav, Clayton Kostelecky
  • Patent number: 7387673
    Abstract: A pigment prepared using nanofillers with modified properties because of the powder size being below 100 nanometers. Blue, yellow and brown pigments are illustrated. Nanoscale coated, un-coated, nanorods type fillers are included. The pigment nanopowders taught comprise one or more elements from the group actinium, antimony, aluminum, arsenic, barium, beryllium, bismuth, cadmium, calcium, cerium, cesium, cobalt, copper, dysprosium, erbium, europium, gadolinium, gallium, gold, hafnium, hydrogen, indium, iridium, iron, lanthanum, lithium, magnesium, manganese, mendelevium, mercury, molybdenum, neodymium, neptunium, nickel, niobium, nitrogen, oxygen, osmium, palladium, platinum, potassium, praseodymium, promethium, protactinium, rhenium, rubidium, scandium, silver, sodium, strontium, sulfur, selenium, tantalum, terbium, thallium, thorium, tin, titanium, tungsten, vanadium, ytterbium, yttrium, zinc, and zirconium.
    Type: Grant
    Filed: May 20, 2003
    Date of Patent: June 17, 2008
    Assignee: PPG Industries Ohio, Inc.
    Inventors: Tapesh Yadav, Clayton Kostelecky
  • Publication number: 20080138267
    Abstract: Rare earth compositions comprising nanoparticles are described along with various nanotechnology applications of such nanoparticles. The compositions of the nanomaterials discussed may include scandium (Sc), yttrium (Y), lanthanum (La), cerium (Ce), praseodymium (Pr), neodymium (Nd), promethium (Pm), samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium (Yb), and lutetium (Lu).
    Type: Application
    Filed: May 21, 2007
    Publication date: June 12, 2008
    Inventor: Tapesh Yadav
  • Patent number: 7341757
    Abstract: Size-confined nanocomposite powders and methods for their manufacture are provided by coating fine powders with a nanoscale powder of a different composition. The nanocomposite plastics offer performance characteristics approaching those of metals and alloys. The nanocomposite powders are alternatively used for dispersion strengthening of metals, alloys, and ceramics. Materials based nanotechnology for energy devices and programmable drug delivery are included.
    Type: Grant
    Filed: February 10, 2005
    Date of Patent: March 11, 2008
    Assignee: NanoProducts Corporation
    Inventor: Tapesh Yadav
  • Patent number: 7306822
    Abstract: Electronic devices prepared from nanoscale powders are described. Methods for utilizing nanoscale powders and related nanotechnology to prepare capacitors, inductors, resistors, thermistors, varistors, filters, arrays, interconnects, optical components, batteries, fuel cells, sensors and other products are discussed.
    Type: Grant
    Filed: May 26, 2004
    Date of Patent: December 11, 2007
    Assignee: NanoProducts Corporation
    Inventors: Tapesh Yadav, Hongxing Hu
  • Patent number: 7250454
    Abstract: Methods for preparing low resistivity nanocomposite layers that simultaneously offer optical clarity, wear resistance and superior functional performance. Nanofillers and a substance having a polymer are mixed. Both low-loaded and highly-loaded nanocomposites are included. Nanoscale coated and un-coated fillers may be used. Nanocomposite films may be coated on substrates.
    Type: Grant
    Filed: May 9, 2003
    Date of Patent: July 31, 2007
    Assignee: NanoProducts Corporation
    Inventors: Tapesh Yadav, Clayton Kostelecky
  • Patent number: 7238734
    Abstract: Methods for preparing optical filter nanocomposites from nanopowders. Both low-loaded and highly-loaded nanocomposites are included. Nanoscale coated and un-coated fillers may be used. Nanocomposite filter layers may be prepared on substrates. Gradient nanocomposites for filters are discussed.
    Type: Grant
    Filed: May 9, 2003
    Date of Patent: July 3, 2007
    Assignee: NanoProducts Corporation
    Inventors: Tapesh Yadav, Clayton Kostelecky
  • Patent number: 7232556
    Abstract: Nanoparticles comprising titanium, such as nanoscale doped titanium metal compounds, inorganic titanium compounds, and organic titanium compounds, their methods of manufacture, and methods of preparation of products from nanoparticles comprising titanium are provided.
    Type: Grant
    Filed: September 24, 2004
    Date of Patent: June 19, 2007
    Assignee: NanoProducts Corporation
    Inventor: Tapesh Yadav
  • Patent number: 7229600
    Abstract: Rare earth compositions comprising nanoparticles, methods of making nanoparticles, and methods of using nanoparticles are described. The compositions of the nanomaterials discussed may include scandium (Sc), yttrium (Y), lanthanum (La), cerium (Ce), praseodymium (Pr), neodymium (Nd), promethium (Pm), samarium (Sm), europium (Eu), gadolinium (Gd), terbium (Tb), dysprosium (Dy), holmium (Ho), erbium (Er), thulium (Tm), ytterbium (Yb), and lutetium (Lu). The nanoparticles can be used to make organometallics, nitrates, and hydroxides. The nanoparticles can be used in a variety of applications, such as pigments, catalysts, polishing agents, coatings, electroceramics, catalysts, optics, phosphors, and detectors.
    Type: Grant
    Filed: December 4, 2003
    Date of Patent: June 12, 2007
    Assignee: NanoProducts Corporation
    Inventor: Tapesh Yadav