Did You Know...
...that the Slinky toy was the result of a failed attempt by engineer Richard James to produce an antivibration device for ship instruments? His goal was to develop a spring that would instantaneously counterbalance the wave motion that rocks a ship at sea. Instead, he developed the Slinky.
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| Number | Title | Issue Date |
| 8080183 | Nanoparticle assemblies with molecular springs A nanoscale sensing device from different types of nanoparticles (NPs) and nanowires (NWs) connected by molecular springs. The distance between the nanoscale colloids reversibly changes depending on conditions or analyte concentration and can be evaluated by fluores... | 12/20/2011 |
| 8070987 | Compositions of doped, co-doped and tri-doped semiconductor materials Semiconductor materials suitable for being used in radiation detectors are disclosed. A particular example of the semiconductor materials includes tellurium, cadmium, and zinc. Tellurium is in molar excess of cadmium and zinc. The example also includes aluminum havi... | 12/06/2011 |
| 8003021 | Synthesis of Pb alloy and core/shell nanowires Embodiments of the present invention are directed to methods of producing PbSexY1-x alloys and methods of producing PbSe/PbY core/shell nanowires. The method of producing PbSexY1-x alloys comprise providing PbSe nanowires,... | 08/23/2011 |
| 7935279 | Glass frits Glass frits, conductive inks and articles having conductive inks applied thereto are described. According to one or more embodiments, glass frits with no intentionally added lead comprise TeO2 and one or more of Bi2O3, SiO2 | 05/03/2011 |
| 7914710 | Loading quantum dots into thermo-responsive microgels by reversible transfer from organic solvents to water Method for the preparation of inorganic-NP-composite microgels is based on the reversible transfer of microgels between water and an organic solvent such as tetrahydrofuran (THF). The method is used to produce semiconductor nanocrystals, often referred to as quantum... | 03/29/2011 |
| 7632428 | Doped semiconductor nanocrystals and methods of making same A method of synthesizing doped semiconductor nanocrystals. In one embodiment, the method includes the steps of combining a metal oxide or metal salt precursor, a ligand, and a solvent to form a metal complex in a reaction vessel; admixing an anionic precursor with t... | 12/15/2009 |
| 7560053 | Thermoelectric material having a rhombohedral crystal structure Thermoelectric materials with a high Seebeck coefficient and a large power factor are provided. The materials are impact resistant and resistant to heat-distortion. Such materials include a rare earth element, Bi, and Te and have a rhombohedral crystal structure. In... | 07/14/2009 |
| 7344660 | Sputtering target and process for producing the same A manufacturing method of a sputtering target having mainly oxychalcogenide containing La and Cu by sintering at least one or more powders selected from an elementary substance of a constituent element, oxide or chalcogenide as the raw material, characterized in inc... | 03/18/2008 |
| 7226549 | High cation transport polymer electrolyte A solid state ion conducting electrolyte and a battery incorporating same. The electrolyte includes a polymer matrix with an alkali metal salt dissolved therein, the salt having an anion with a long or branched chain having not less than 5 carbon or silicon atoms th... | 06/05/2007 |
| RE39640 | Conductive isostructural compounds A family of isostructural compounds have been prepared having the general formula AnPbmBinO2n+m. These compounds possess a NaCl lattice type structure as well as low thermal conductivity and controlled electrical conductiv... | 05/22/2007 |
| 7147968 | Positive electrode for lithium-sulfur battery A positive electrode for a lithium-sulfur battery includes a positive active material including a sulfur-based compound, an electrically conductive material, an agent for increasing viscosity, and a binder. The agent is selected from a cellulose-based compound, an i... | 12/12/2006 |
| 7122254 | Inorganic electrode for organic electroluminescent devices An electrode comprises an inorganic composite layer of a mixture of at least one insulating inorganic material and at least one at least partially conducting inorganic material. In an application of such an electrode, an organic electroluminescent device comprises a... | 10/17/2006 |
| 7060650 | Hydrogenation catalysts and methods Catalysts and composite materials comprised of catalytically active materials intercalated with alkali metals and/or optionally coated on alkali metals or combinations of alkali and alkali earth metals are disclosed. Also disclosed are methods for enhancing reaction... | 06/13/2006 |
| 7018739 | Positive active material and positive active material composition for lithium-sulfur battery and method of preparing positive active material composition The present invention relates to a positive active material for a lithium-sulfur battery and a method of preparing a positive active material composition comprising the same, and the positive active material includes a sulfur compound, a conductive agent adhered to ... | 03/28/2006 |
| 7018604 | Compounds for novel proton conducting membranes and methods of making same The present invention provides new compounds for use in proton exchange membranes which are able to operate in a wide variety of temperature ranges, including in the intermediate temperature range of about 100° C. to 700° C., and new and improved methods of making... | 03/28/2006 |
| 6858154 | Thermoelectric material and method of manufacturing the same A thermoelectric material having large thermoelectric figure of merit is provided. A thin film comprising nanometer-sized particles having their diameters distributing within the range of 0.5 nm though 100 nm both inclusive is formed by depositing the nanometer-size... | 02/22/2005 |
| 6831401 | Electron-emitting device, electron source using the electron-emitting device, and image-forming apparatus using the electron source An electron emitting device comprising: a pair of conductors opposed to each other on a substrate; and a pair of deposition films having carbon as a main component which are respectively connected to the pair of conductors and disposed with a gap therebetween. The d... | 12/14/2004 |
| 6811925 | Nonaqueous electrolyte secondary cell and a tungsten or molybdenum substituted lithium positive electrode active material A positive active material for nonaqueous electrolyte secondary batteries which has a higher capacity and improved thermal stability in a charged state and is less expensive compared to the current active material of LiCoO2 is provided by a lithium compou... | 11/02/2004 |
| 6312617 | Conductive isostructural compounds A family of isostructural compounds have been prepared having the general formula An Pbm Bin Q2n+m. These compounds possess a NaCl lattice type structure as well as low thermal conductivity and controlled electr... | 11/06/2001 |
| 6289196 | Oxidized transport donor roll coatings A donor member useful in ionographic or electrophotographic apparatuses and preferably useful in hybrid scavengeless development units, having a substrate and an oxidized transport coating including charge transport molecules, polymer binder, and an oxidi... | 09/11/2001 |
| 6217843 | Method for preparation of metal intercalated fullerene-like metal chalcogenides A method for the preparation of nanoparticles of metal oxides containing inserted metal particles and to metal-intercalated and/or metal-encaged "inorganic fullerene-like" (hereinafter IF) structures of metal chalcogenides obtained therefrom is provided, ... | 04/17/2001 |
| 6180073 | Compound with base of an alkaline-earth, sulphur and aluminium, gallium or indium, method of preparing same and use as luminophore The present invention relates to a compound based on an alkaline-earth metal, on sulphur and on aluminium, on gallium or indium, to its process of preparation and to its use as luminophore. The compound of the invention corresponds to the formula AB2... | 01/30/2001 |
| 6059987 | Ionic conductive material and electrochemical device comprising the same An ionic conductive material chosen from a metal or a hydrogen ion and on anion portion comprising a resonance structure containing a Group IVB atom as the anion portion, and an electron-withdrawing group which is bonded to said resonance structure throug... | 05/09/2000 |
| 6001283 | Screen printing of surface layers A formulation of solid powder, a solvent system, a binder material, and a plasticizing agent is described whose accomplishment is achieved by means of a step-by-step process. The pastes so formulated can be employed in a screen printing process to produce... | 12/14/1999 |
| 5746990 | Process for the preparation of rare-earth sulphides from halides The present invention concerns a process for the preparation of a rare-earth sulphide characterized in that a rare-earth halide is brought into the presence of an alkaline or aluminum halide and heated in the presence of hydrogen sulphide at a temperature... | 05/05/1998 |
| 5589109 | Method for producing a cathode material containing silver and bismuth Solid divalent silver oxide is reacted in hot aqueous alkaline reaction medium with a solid bismuth component and a reducing agent. The reaction product comprises a novel compound containing silver, bismuth, and oxygen, which is used in making cathode pel... | 12/31/1996 |
| 5585037 | Electroconductive composition and process of preparation An electroconductive composition comprising a two-dimensional network of antimony-containing tin oxide crystallites in association with amorphous silica, the composition according to one aspect of the invention comprising a powder of submicron to tens of ... | 12/17/1996 |
| 5569412 | Tin oxide based conductive powders and coatings A product and process are disclosed that relate to electroconductive powders based on tantalum, niobium, or phosphorus or any combination thereof doped tin oxide and coatings containing such powders. These powders can be used for making transparent coated... | 10/29/1996 |
| 5490953 | Semiconductor compound Novel compound semiconductors are of the general formula, X5 YZ4, wherein X is a member selected from the group consisting of Cu, Ag and mixtures thereof, Y is a member selected from the group consisting of Al, Ga, Tl and mixtures th... | 02/13/1996 |
| 5312614 | Method for producing white electrically conductive zinc oxide A method is provided for the high yield production of white, electrically conductive zinc oxide which comprises the simultaneous addition to a reactor of (1) an aqueous solution containing a water-soluble zinc compound and at least one water-soluble compo... | 05/17/1994 |
| 5294601 | High-temperature superconductor comprising barium sulfate, strontium sulfate or mixtures thereof and a process for its preparation The invention relates to a high-temperature superconductor composed of the oxides of bismuth, strontium, calcium and copper and, optionally, of lead, and having the composition Bi2-a+b+c Pba (Sr, Ca)3-b-c Cu2+d ... | 03/15/1994 |
| 5292551 | Process for producing electroconductive powders A method for preparing electroconductive powders by applying a surface coating comprising amorphous silica, and an electro-conducting network of antimony-containing tin oxide crystallites. The process simultaneously applys silica in association with an an... | 03/08/1994 |
| 5268024 | Formation of inorganic conductive coatings on substrates Precursor formulation for producing conductive coatings, e.g. nickel sulfide, on substrates such as fiberglass, comprising a soluble metal salt such as nickel acetate, a sulfur donor such as thiourea, a suitable solvent such as water or methanol, and a th... | 12/07/1993 |
| 5217826 | Lithium-ion conducting solid electrolyte A lithium-ion conducting solid electrolyte of the present invention comprises a parent material, a lithium-ion conducting sulfide glass represented by the formula Li2 S--X (X is at least one sulfide selected from the group consisting of B2... | 06/08/1993 |
| 5204177 | Process for preparing conductive fine particles and conductive coating materials containing said particles Transparent conductive coatings excellent in transparency are provided on substrates such as glass, plastics, etc. by the use of conductive coating materials obtained by maintaining aqueous solutions of hydrolyzable tin containing or indium containing com... | 04/20/1993 |
| 5131952 | Electrically conductive zinc sulfide powder and process of producing the same and use thereof An electrically conductive powder is provided which comprises particles of zinc sulfide coated with an elecctrically conductive coating of copper sulfide wherein the zinc sulfide particles have a BET surface area of 2 to 10 m2 /g and a purity o... | 07/21/1992 |
| 5110505 | Small-particle semiconductors in rigid matrices Nonlinear optical materials comprising porous glass, the pores of which contain a semiconductor material and a polymer.... | 05/05/1992 |
| 5091115 | Semiconductor-containing glass and method for producing same A semiconductor-containing glass having a high nonlinear optical effect is provided which comprises a glass matrix mainly composed of SiO2 wherein said glass matrix contains a semiconductor microcrystal having a particle size of less than 100Å... | 02/25/1992 |
| 5075039 | Platable liquid film forming coating composition containing conductive metal sulfide coated inert inorganic particles The invention discloses a new platable coating composition and a process of using the same for selective plating. The coating composition and process are especially adapted for formation of EMI shielding for electronic components. The coating composition ... | 12/24/1991 |
| 4816183 | Composite photosensitive material A composite photosensitive material of enhanced sensitivity to, and absorption of, incident radiation, wherein an array of particles of an electrically conducting material is embedded in and dispersed through a semiconducting matrix transparent to the wav... | 03/28/1989 |
