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).

  • Publication number: 20070104629
    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: Application
    Filed: December 4, 2003
    Publication date: May 10, 2007
    Inventor: Tapesh Yadav
  • Patent number: 7183337
    Abstract: Methods for preparing nanocomposites that enable films with 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. Nanocomposite films may be coated on substrates.
    Type: Grant
    Filed: April 30, 2003
    Date of Patent: February 27, 2007
    Assignee: NanoProducts Corporation
    Inventors: Tapesh Yadav, Clayton Kostelecky
  • Patent number: 7178747
    Abstract: Methods for preparing high aspect ratio nanomaterials from spherical nanomaterials useful for oxides, nitrides, carbides, borides, metals, alloys, chalcogenides, and other compositions.
    Type: Grant
    Filed: July 26, 2004
    Date of Patent: February 20, 2007
    Assignee: NanoProducts Corporation
    Inventors: Tapesh Yadav, Karl Pfaffenbach
  • Publication number: 20070032572
    Abstract: Methods for preparing nanocomposites that enable films with 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. Nanocomposite films may be coated on substrates.
    Type: Application
    Filed: April 30, 2003
    Publication date: February 8, 2007
    Inventors: Tapesh Yadav, Clayton Kostelecky
  • Publication number: 20060248982
    Abstract: Methods for manufacturing nanomaterials and related nanotechnology are provided.
    Type: Application
    Filed: April 25, 2005
    Publication date: November 9, 2006
    Inventor: Tapesh Yadav
  • Patent number: 7081267
    Abstract: Methods to manufacture nanoscale particles comprising metals, alloys, intermetallics, ceramics are disclosed. The thermal energy is provided by plasma, internal energy, heat of reaction, microwave, electromagnetic, direct electric arc, pulsed electric arc and/or nuclear. The process is operated at some stage above 3000K and at high velocities. The invention can be utilized to prepare nanopowders for nanostructured products and devices such as ion conducting solid electrolytes for a wide range of applications, including sensors, oxygen pumps, fuel cells, batteries, electrosynthesis reactors and catalytic membranes.
    Type: Grant
    Filed: July 8, 2003
    Date of Patent: July 25, 2006
    Assignee: NanoProducts Corporation
    Inventor: Tapesh Yadav
  • Publication number: 20060137567
    Abstract: Nanoparticle dispersions, inks, pastes, lotions and methods of their manufacture are disclosed. Multifunctional, nanocomposite, hollow nanoparticles, and coated nanoparticle dispersions are also discussed.
    Type: Application
    Filed: November 25, 2003
    Publication date: June 29, 2006
    Inventor: Tapesh Yadav
  • Patent number: 7029507
    Abstract: Polishing powders of nanoscale dimensions are disclosed. Complex, multi-metal oxides are disclosed as constituents for chemical mechanical planarization, (CMP) as well as polishes for optical components, photonic devices, and other applications.
    Type: Grant
    Filed: November 12, 2002
    Date of Patent: April 18, 2006
    Assignee: NanoProducts Corporation
    Inventors: Tapesh Yadav, Karl Pfaffenbach
  • Publication number: 20060079410
    Abstract: Nanoparticles comprising molybdenum, methods of manufacturing nanoparticles comprising molybdenum, and nanotechnology applications of nanoparticles comprising molybdenum, such as electronics, optical devices, photonics, reagents for fine chemical synthesis, pigments and catalysts, are provided.
    Type: Application
    Filed: June 7, 2005
    Publication date: April 13, 2006
    Inventor: Tapesh Yadav
  • Publication number: 20060068080
    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: Application
    Filed: March 1, 2005
    Publication date: March 30, 2006
    Inventors: Tapesh Yadav, Clayton Kostelecky
  • Patent number: 7007872
    Abstract: Methods for changing the surface area of nanomaterials to improve properties, processing and product manufacturing. These methods are useful for oxides, nitrides, carbides, borides, metals, alloys, chalcogenides, and other compositions.
    Type: Grant
    Filed: July 26, 2004
    Date of Patent: March 7, 2006
    Assignee: NanoProducts Corporation
    Inventors: Tapesh Yadav, Karl Pfaffenbach
  • Publication number: 20060035087
    Abstract: Adhesives and sealants comprising submicron particles and nanomaterials, methods of making such adhesives and sealants, and methods of using such adhesives and sealants are provided.
    Type: Application
    Filed: October 21, 2004
    Publication date: February 16, 2006
    Inventors: Tapesh Yadav, Audrey Vecoven
  • Publication number: 20060016371
    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: Application
    Filed: June 21, 2005
    Publication date: January 26, 2006
    Inventor: Tapesh Yadav
  • Publication number: 20050274833
    Abstract: Methods for preparing high aspect ratio nanomaterials from spherical nanomaterials useful for oxides, nitrides, carbides, borides, metals, alloys, chalcogenides, and other compositions.
    Type: Application
    Filed: July 26, 2004
    Publication date: December 15, 2005
    Inventors: Tapesh Yadav, Karl Pfaffenbach
  • Publication number: 20050274447
    Abstract: Methods for slurry processing of nanomaterials into products. These methods are useful for organic, inorganic, metallic, alloy, ceramic, conducting polymer, non-conducting polymer, ion conducting, non-metallic, ceramic-ceramic composite, ceramic-polymer composite, ceramic-metal composite, metal-polymer composite, polymer-polymer composite, metal-metal composite, processed materials including paper and fibers, and natural materials such as mica, dielectrics, ferrites, stoichiometric, non-stoichiometric, or a combination of one or more of these. These methods also allow the fabrication of a functionally graded products.
    Type: Application
    Filed: July 26, 2004
    Publication date: December 15, 2005
    Inventors: Tapesh Yadav, Karl Pfaffenbach
  • Publication number: 20050271566
    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: Application
    Filed: May 10, 2005
    Publication date: December 8, 2005
    Inventor: Tapesh Yadav
  • Patent number: 6946197
    Abstract: Device nanotechnology based on silicon wafers and other substrates is described. Methods for preparing such devices are discussed. The teachings allow integration of current semiconductor device, sensor device and other device fabrication methods with nanotechnology. Integration of nanotubes and nanowires to wafers is discussed. Sensors, electronics, biomedical and other devices are presented.
    Type: Grant
    Filed: February 20, 2004
    Date of Patent: September 20, 2005
    Assignee: NanoProducts Corporation
    Inventors: Tapesh Yadav, Dmitri Routkevitch, Peter Mardilovich, Alex Govyadinov, Stephanie Hooker, Stephen S. Williams
  • Publication number: 20050191492
    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: Application
    Filed: September 24, 2004
    Publication date: September 1, 2005
    Inventor: Tapesh Yadav
  • Patent number: 6933331
    Abstract: A nanocomposite structure comprising a nanostructured filler or carrier intimately mixed with a matrix, and methods of making such a structure. The nanostructured filler has a domain size sufficiently small to alter an electrical, magnetic, optical, electrochemical, chemical, thermal, biomedical, or tribological property of either filler or composite by at least 20%.
    Type: Grant
    Filed: February 20, 2001
    Date of Patent: August 23, 2005
    Assignee: NanoProducts Corporation
    Inventors: Tapesh Yadav, Clayton Kostelecky
  • Patent number: 6916872
    Abstract: Nanocomposites from nanofillers with preferred form of whiskers, rods, plates and fibers are disclosed. The matrix composition described includes polymers, ceramics and metals. The composition disclosed include inorganic, organic and metallic. These nanocomposites are useful in wide range of applications given their unusual properties such as refractive index, transparency to light, reflection characteristics, resistivity, permittivity, permeability, coercivity, B-H product, magnetic hysteresis, breakdown voltage, skin depth, curie temperature, dissipation factor, work function, band gap, electromagnetic shielding effectiveness, radiation hardness, chemical reactivity, thermal conductivity, temperature coefficient of an electrical property, voltage coefficient of an electrical property, thermal shock resistance, biocompatibility, and wear rate.
    Type: Grant
    Filed: May 30, 2003
    Date of Patent: July 12, 2005
    Assignee: NanoProducts Corporation
    Inventors: Tapesh Yadav, Clayton Kostelecky