| Patent Number |
Title Of Patent |
Date Issued |
| 7423512 |
Zinc oxide particles |
September 9, 2008 |
| A collection of zinc oxide nanoparticles have been produced by laser pyrolysis. The zinc oxide nanoparticles have average particle diameters of less than about 95 nm and a very narrow particle size distribution. The laser pyrolysis process is characterized by the production of a reac |
| 7384680 |
Nanoparticle-based power coatings and corresponding structures |
June 10, 2008 |
| Methods are described that have the capability of producing submicron/nanoscale particles, in some embodiments dispersible, at high production rates. In some embodiments, the methods result in the production of particles with an average diameter less than about 75 nanometers that are |
| 7323158 |
Multiple metal oxide submicron particles |
January 29, 2008 |
| Collections of particles comprising multiple a metal oxide can be formed with average particle sizes less than about 500 nm. In some embodiments, the particle collections have particle size distributions such that at least about 95 percent of the particles have a diameter greater than |
| 7258706 |
Abrasive particles for surface polishing |
August 21, 2007 |
| Polishing compositions are described that are appropriate for fine polishing to very low tolerances. The polishing compositions include particles with small diameters with very narrow distributions in size and effectively no particles with diameters several times larger than the aver |
| 7226966 |
Structures incorporating polymer-inorganic particle blends |
June 5, 2007 |
| Polymer-inorganic particle blends are incorporated into structures generally involving interfaces with additional materials that can be used advantageously for forming desirable devices. In some embodiments, the structures are optical structures, and the interfaces are optical interf |
| 7214446 |
Batteries with electroactive nanoparticles |
May 8, 2007 |
| Batteries based on nanoparticles are demonstrated that achieve high energy densities. Vanadium oxide nanoparticles can have several different stoichiometries and corresponding crystal lattices. The nanoparticles preferably have average diameters less than about 500 nm and more prefer |
| 7132783 |
Phosphor particles having specific distribution of average diameters |
November 7, 2006 |
| Small particles provide for improved performance as phosphors especially in the production of display devices. Particles with an diameter less than about 100 nm have altered band properties that affect the emission by the particles. A collection of such small particles with a narrow |
| 7112449 |
Combinatorial chemical synthesis |
September 26, 2006 |
| Combinatorial synthesis methods obtain a plurality of compositions having materially different characteristics using an apparatus having a plurality of collectors. A first quantity of fluid reactants are reacted to form a first quantity of product composition. Following completion of |
| 7101520 |
High luminescence phosphor particles and methods for producing the particles |
September 5, 2006 |
| Methods for producing metal/metalloid oxide particles comprise rare earth metals herein include reacting a reactant stream in a gas flow. The reactant stream includes a rare earth metal precursor and an oxygen source. A collection of particles comprising metal/metalloid oxide have an |
| 7029513 |
Reactant delivery apparatuses |
April 18, 2006 |
| An aerosol delivery apparatus is used to deliver an aerosol into a reaction chamber for chemical reaction to produce reaction products such as nanoparticles. A variety of improved aerosol delivery approaches provide for the production of more uniform reaction products. In preferred e |
| 6890624 |
Self-assembled structures |
May 10, 2005 |
| A material includes a layer with a plurality of self-assembled structures comprising compositions. The structures are localized in separate islands covering a portion of the layer in an integrated assembly. In some embodiments, the compositions include nanoparticles. In particular, some |
| 6881490 |
Polymer-inorganic particle composites |
April 19, 2005 |
| Inorganic particle/polymer composites are described that involve chemical bonding between the elements of the composite. In some embodiments, the composite composition includes a polymer having side groups chemically bonded to inorganic particles. Furthermore, the composite composition c |
| 6788866 |
Layer materials and planar optical devices |
September 7, 2004 |
| Structures include a substrate with a release layer on the surface of the substrate and a uniform material over the release layer. The release layer generally includes powders or partly sintered powders. In some embodiments the uniform material is an optical material, which can be a glas |
| 6726990 |
Silicon oxide particles |
April 27, 2004 |
| A collection of silicon oxide nanoparticles have an average diameter from about 5 nm to about 100 nm. The collection of silicon oxide nanoparticles effectively include no particles with a diameter greater than about four times the average diameter. The particles generally have a spherica |
| 6723435 |
Optical fiber preforms |
April 20, 2004 |
| Optical fiber preforms can comprise a glass preform structure with an inner cavity. A powder can be placed within the inner cavity having an average primary particle size of less than about one micron. The powder can be in the form of an unagglomerated particles or a powder coating with |
| 6692660 |
High luminescence phosphor particles and related particle compositions |
February 17, 2004 |
| Methods for producing metal/metalloid oxide particles comprise rare earth metals herein include reacting a reactant stream in a gas flow. The reactant stream includes a rare earth metal precursor and an oxygen source. A collection of particles comprising metal/metalloid oxide have an |
| 6680041 |
Reaction methods for producing metal oxide particles |
January 20, 2004 |
| Manganese oxide particles have been produced having an average diameter less than about 500 nm and a very narrow distribution of particle diameters. Methods are described for producing metal oxides by performing a reaction with an aerosol including a metal precursor. Heat treatments |
| 6607706 |
Composite metal oxide particles |
August 19, 2003 |
| A powder of lithiated manganese oxide has an average particle diameter preferably less than about 250 nm. The particles have a high degree of uniformity and preferably a very narrow particle size distribution. The lithiated manganese oxide can be produce by the reaction of an aerosol |
| 6599631 |
Polymer-inorganic particle composites |
July 29, 2003 |
| Inorganic particle/polymer composites are described that involve chemical bonding between the elements of the composite. In some embodiments, the composite composition includes a polymer having side groups chemically bonded to inorganic particles. Furthermore, the composite composition c |
| 6508855 |
Aerosol delivery apparatus for chemical reactions |
January 21, 2003 |
| An aerosol delivery apparatus is used to deliver an aerosol into a reaction chamber for chemical reaction to produce reaction products such as nanoparticles. A variety of improved aerosol delivery approaches provide for the production of more uniform reaction products. In preferred e |
| 6506493 |
Metal oxide particles |
January 14, 2003 |
| Manganese oxide particles have been produced having an average diameter less than about 500 nm and a very narrow distribution of particle diameters. Methods are described for producing metal oxides by performing a reaction with an aerosol including a metal precursor. Heat treatments |
| 6503646 |
High rate batteries |
January 7, 2003 |
| Improved high rate batteries based on silver vanadium oxide yield improved pulsed performance. In particular, batteries comprise an electrolyte having lithium ions and a cathode comprising silver vanadium oxide. Improved batteries have a pulsed specific energy of at least about 575 m |
| 6482374 |
Methods for producing lithium metal oxide particles |
November 19, 2002 |
| Lithium manganese oxide particles have been produced with an average diameter less than about 250 nm. The particles have a high degree of uniformity. The particles can be formed by the heat treatment of nanoparticles of manganese oxide. Alternatively, crystalline lithium manganese ox |
| 6471930 |
Silicon oxide particles |
October 29, 2002 |
| A method for the production of silicon oxide particles includes the pyrolysis of a molecular stream with a silicon compound precursor, an oxygen source and a radiation absorbing gas. The pyrolysis is driven by a light beam such as an infrared laser beam. The method can be used in the |
| 6391494 |
Metal vanadium oxide particles |
May 21, 2002 |
| Laser pyrolysis can be used to produce directly metal vanadium oxide composite nanoparticles. To perform the pyrolysis a reactant stream is formed including a vanadium precursor and a second metal precursor. The pyrolysis is driven by energy absorbed from a light beam. Metal vanadium |
| 6387531 |
Metal (silicon) oxide/carbon composite particles |
May 14, 2002 |
| A collection of nanoscale particles are a composite of carbon and metal oxide or silicon oxide. The composite particles have an average diameter from about 5 nm to about 1000 nm, and can be produced by laser pyrolysis. The laser pyrolysis involves the formation of a molecular stream incl |
| 6290735 |
Abrasive particles for surface polishing |
September 18, 2001 |
| Polishing compositions are described that are appropriate for fine polishing to very low tolerances. The polishing compositions include particles with small diameters with very narrow distributions in size and effectively no particles with diameters several times larger than the aver |
| 6270732 |
Particle collection apparatus and associated methods |
August 7, 2001 |
| A particle collection apparatus has a chamber, one or more filters and a back pressure system. The filters are located in the flow path through the system to collect the particles from an input gas stream. The back pressure system applies a pulse of gas against the flow through the syste |
| 6248216 |
Efficient production of particles by chemical reaction |
June 19, 2001 |
| A method for efficiently producing particles from gas phase chemical reactions induced by a radiation beam. The apparatus includes a reaction chamber and an elongated reactant inlet, where the reaction chamber is configured to conform generally to the elongated shape of the reactant |
| 6225007 |
Medal vanadium oxide particles |
May 1, 2001 |
| Metal vanadium oxide particles have been produced with an average diameter less than about 500 nm. The particles are produced from nanocrystalline vanadium oxide particles. Silver vanadium oxide particles, for example, can be formed by the heat treatment of a mixture of nanoscale vanadiu |
| 6200674 |
Tin oxide particles |
March 13, 2001 |
| Tin oxide nanoparticles were produced with tin in a variety of oxidation states. In particular, nanoparticles of single phase, crystalline SnO.sub.2 were produced. Preferred tin oxide nanoparticles have an average diameter from about 5 nm to about 100 nm with an extremely narrow dist |
| 6193936 |
Reactant delivery apparatuses |
February 27, 2001 |
| An aerosol delivery apparatus is used to deliver an aerosol into a reaction chamber for chemical reaction to produce reaction products such as nanoparticles. A variety of improved aerosol delivery approaches provide for the production of more uniform reaction products. In preferred e |
| 6136287 |
Lithium manganese oxides and batteries |
October 24, 2000 |
| Lithium manganese oxide particles have been produced with an average diameter less than about 250 nm. The particles have a high degree of uniformity. The particles are formed by the heat treatment of nanoparticles of manganese oxide. The lithium manganese oxide particles are useful a |
| 6130007 |
Batteries with electroactive nanoparticles |
October 10, 2000 |
| Batteries based on nanoparticles are demonstrated to achieve high energy densities. Vanadium oxide nanoparticles can have several different stoichiometries and corresponding crystal lattices. The nanoparticles preferably have average diameters less than about 150 nm. Cathodes produce |
| 6106798 |
Vanadium oxide nanoparticles |
August 22, 2000 |
| Vanadium oxide nanoparticles were produced with vanadium in a variety of oxidation states and with different crystalline lattice structures. These particles preferably have an average diameter of 150 nm or less with a narrow distribution of diameters. The particles manifest unique proper |
| 6080337 |
Iron oxide particles |
June 27, 2000 |
| Electromagnetic shielding material is formed from a shielding composition made with magnetic particles and a binder, where the magnetic particles have an average diameter less than about 1000 nm and are substantially crystalline. The magnetic particles can be formed from Fe.sub.2 O.sub.3 |
| 6045769 |
Process for carbon production |
April 4, 2000 |
| A method for the production of elemental carbon fibers and carbon particles uses highly uniform catalyst particles, preferably made by laser pyrolysis. Preferred catalyst particles include elemental iron, iron carbides or iron sulfides, generally with an average particle diameter fro |
| 5989514 |
Processing of vanadium oxide particles with heat |
November 23, 1999 |
| The stoichiometry and/or crystal structure of vanadium oxide particles are altered by heating initial particles of vanadium oxide under mild conditions. The temperature is generally at least about 300.degree. C. less than the melting point of both the initial vanadium oxide particle |
| 5986206 |
Solar cell |
November 16, 1999 |
| Polymer based solar cells incorporate nanoscale carbon particles as electron acceptors. The nanoscale carbon particles can be appropriate carbon blacks, especially modified laser black. Conducting polymers are used in the solar cells as electron donors upon absorption of light. Prefe |
| 5958348 |
Efficient production of particles by chemical reaction |
September 28, 1999 |
| An apparatus efficiently produces of particles from gas phase chemical reactions induced by a radiation beam. The apparatus includes a reaction chamber and an elongated reactant inlet, where the reaction chamber is configured to conform generally to the elongated shape of the reactant |
| 5952125 |
Batteries with electroactive nanoparticles |
September 14, 1999 |
| Batteries based on nanoparticles are demonstrated that achieve high energy densities. Vanadium oxide nanoparticles can have several different stoichiometries and corresponding crystal lattices. The nanoparticles preferably have average diameters less than about 500 nm and more prefer |
| 5938979 |
Electromagnetic shielding |
August 17, 1999 |
| Electromagnetic shielding material is formed from a shielding composition made with magnetic particles and a binder, where the magnetic particles have an average diameter less than about 1000 nm and are substantially crystalline. The magnetic particles can be formed from Fe.sub.2 O.sub.3 |
