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| Number | Title | Issue Date |
| 7399571 | Multilayered articles and method of manufacture thereof Disclosed herein is multilayered sheet comprising a core layer comprising a thermoplastic polymer and an IR absorbing additive; wherein the IR absorbing additive is a metal oxide; and a first cap layer comprising a thermoplastic polymer and an electromagnetic radiat... | 07/15/2008 |
| 7187045 | Junction field effect metal oxide compound semiconductor integrated transistor devices A self-aligned enhancement mode metal-oxide-compound semiconductor field effect transistor includes a gate insulating structure comprised of a first conducting oxide layer comprised of indium oxide compounds positioned immediately on top of the compound semiconducto... | 03/06/2007 |
| 6228904 | Nanostructured fillers and carriers 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, elect... | 05/08/2001 |
| 6001280 | Oil-soluble tracer solutions containing gadolinium compounds A tracer solution suitable for use in measuring flow velocities in a borehole, includes: a) a gadolinium salt of a carboxylic acid of general formula ##STR1## where R is an alkyl of not less than four carbon atoms, typically C4 or C5 alkyl, and ... | 12/14/1999 |
| 5711900 | Gadolinium compounds for use as oil-soluble tracers A tracer solution suitable for use in measuring flow velocities in a borehole, includes: a) a gadolinium salt of a carboxylic acid of general formula ##STR1## where R is an alkyl of not less than four carbon atoms, typically C4 or C5 alkyl, and ... | 01/27/1998 |
| 5681784 | Thermal shock resistant ceramic A ceramic which is thermal shock resistant and which is a sintered, homogeneous mixture of first and second ceramic powders, including a first ceramic powder which is based on at least one tetravalent oxide selected from the group including zirconium diox... | 10/28/1997 |
| 5592043 | Cathode including a solid body Cathode including a solid body (4) which comprises metallic constituents (particularly W, Ni, Mg, Re, Mo, Pt) and oxidic constituents (such as particularly BaO, CaO, Al2 O3, Sc2 O3, SrO, ThO2, La... | 01/07/1997 |
| 5507965 | Protonic, conductive, electrolytic materials Protonic, conductive, macromolecular materials comprising a solid complex of anhydrous orthophosphoric acid and polyoxyethylene and also having an antioxidizing agent and/or a thixotropic agent are useful as an electrolyte in electrochromic systems, parti... | 04/16/1996 |
| 5419887 | Separation of the isotopes of boron by chemical exchange reactions The isotopes of boron, 10 B and 11 B, are separated by means of a gas-liquid chemical exchange reaction involving the isotopic equilibrium between gaseous BF3 and a liquid BF3 . donor molecular addition complex ... | 05/30/1995 |
| 5087606 | Bismuth-containing superconductors containing radioactive dopants A process for producing a sinterable doped superconductive powder which contains a sufficient amount of superconductive compound which is at least coated with sufficient uranium-235 and/or plutonium-239 dopant atoms to enable the sinterable powder to be f... | 02/11/1992 |
| 5075666 | Varistor composition for high energy absorption The invention provides a disc for use in varistors. The disc is primarily composed of ZnO and includes predetermined concentrations of Bi2 O3 in a selected ratio with Sb2 O3.... | 12/24/1991 |
| 5055233 | Detergent bar process using trialkylamine oxide dihydrate Detergent bars suitable for use as toilet soaps are made by mixing an effective amount of a trialkylamine oxide dihydrate in a detergent bar formulation.... | 10/08/1991 |
| 5053739 | Very high energy absorbing varistor A varistor utilizing a disc of mainly ZnO in combination with preselected combinations of Bi2 O3, Sb2 O3, SiO2, MgO and CaO.... | 10/01/1991 |
| 4996192 | Y-Ba-Cu-O superconductor containing radioactive dopants A polycrystalline Y-Ba-Cu-O superconductor doped with sufficient 235 U and/or 239 Pu atoms is irradiated with thermal neutrons to produce from about 2.5×1014 to about 50×1014 fission events per cubic centimete... | 02/26/1991 |
| 4900368 | Foamed energy cell A photovoltaic material having an open-cellular foamed nature incorporated into an electric current generating cell activated by a material circulated through the open cells of the foam.... | 02/13/1990 |
| 4725807 | Nonlinear voltage resistor A nonlinear voltage resistor is formed by sintering a resistor body made from a powder predominantly comprising ZnO. The powder also includes a first element selected from the group of Li and Na and a second element selected from the group of Al, In, and ... | 02/16/1988 |
| 4585580 | Thick film copper compatible resistors based on hexaboride conductors and nonreducible glasses Thick flim resistors and conductors compatible with copper and fireable in nonoxidizing atmosphere are provided. The resistors are based on certain hexaboride conductors such as LaB6 and glasses which are thermodynamically stable to or nonreduc... | 04/29/1986 |
| 4507224 | Ceramics containing fibers of silicon carbide Ceramics incorporating fibrous crystals of silicon carbide, optionally, in combination with an electroconductive substance have high electroconductivity and are amenable to electric discharge machining.... | 03/26/1985 |
| 4464647 | Humidity sensor made of metal oxide A sintered body for a humidity sensor is formed by baking a blend at 1,000° to 1,400° C., the blend comprising ZnO, Cr2 O3, V2 O5 and M2 O where M2 O is at least one metal oxide selected ... | 08/07/1984 |
| 4344870 | Preparation of electrically conductive hetero-polyaromatics A process for the preparation of electrically conductive hetero-polyaromatics, having conductivities greater than 10-2 S/cm, wherein from 0.5 to 35 percent by weight of a strong Lewis acid having a pka of from -10 to +4, preferably A... | 08/17/1982 |
| 4344869 | Preparation of electrically conductive hetero-poly-phenylenes A process for the preparation of electrically conductive hetero-polyphenylenes, having conductivities greater than 10-2 S/cm, wherein from 0.5 to 35 percent by weight of a strong Lewis acid having a pka of from -10 to +4, preferably ... | 08/17/1982 |
| 4333861 | Thick film varistor A thick film varistor comprising a thick film consisting essentially of 20 to 85 weight percent of tin oxide having an additive such as antimony oxide, and 15 to 80 weight percent of a glass frit such as a zinc barium borate glass. This thick film varisto... | 06/08/1982 |
| 4313854 | Oxide-coated cathode for electron tube An oxide-coated cathode for electron tubes comprising a base metal plate made of an alloy containing nickel as a major component and at least one high-melting point metal in an amount of 2% by weight or more, and if required, a small amount of one or more... | 02/02/1982 |
| 4279784 | Thermionic emission cathodes A thermionic emission cathode comprising a base metal made of nickel-tungsten series alloy, for example an alloy comprising 90 to 70% by weight of nickel and 10 to 30% by weight of tungsten, and an emitter layer, which is formed on the base, made from a m... | 07/21/1981 |
| 4169071 | Voltage-dependent resistor and method of making the same A voltage-dependent resistor comprising a sintered body comprising ZnO as a major part and additives wherein at least 10 weight percent of the ZnO is composed of ZnO grains having a grain size in the range from 100 to 500 microns; and method of making the... | 09/25/1979 |
| 4133778 | Electrode with lanthanum-containing perovskite surface An electrode is described which is comprised of an electroconductive substrate having an exterior surface of perovskite of the empirical formula a. wherein A is lanthanum, B. wherein A' is an alkaline earth metal selected from the group consisting of calc... | 01/09/1979 |
| 4110260 | Electroconductive composite ceramics The electroconductive composite ceramics composed of an independent phase conglomerates having a particle diameter of at least 20μ and a continuous phase connecting mutually the independent phase of conglomerates. Particularly, electroconductive composi... | 08/29/1978 |
| 4098725 | Low thermal expansive, electroconductive composite ceramics Low thermally expansive, electroconductive composite sintered ceramics comprised of a phase of at least one ceramics selected from the group consisting of low thermally expansive ceramics and negatively thermally expansive ceramics, having dispersed there... | 07/04/1978 |
| 4097345 | Na5 GdSi4 O 12 and related rare earth sodium ion conductors and electrolytic cells therefrom Sodium ion conducting compositions are provided having (a) the formula Na5-x .quadrature.x Gd1-y-x My M'x Si4-z Gez O12 wherein M is at least one of the rare earths or yttr... | 06/27/1978 |
| 4076652 | Elastic resistor compositions containing metallic-conductive particles and conductive lubricant particles Elastic resistor compositions comprising metallic-conductive particles and solid conductive lubricant particles codistributed in a matrix of a curable, elastomer-forming polymer and the cured compositions formed therefrom. Elastic resistors made from said... | 02/28/1978 |
| 4045374 | Zinc oxide voltage-nonlinear resistor A voltage-dependent resistor (varistor) of the bulk type comprising a sintered body consisting essentially of, as a main constituent, ZnO and additives of various metal oxides and further containing an additive of at least one of Al2 O3 | 08/30/1977 |
| 4006106 | Self sealable glassy resistor composition for a resistor sealed spark plug A self sealable glassy resistor composition for a resistor sealed spark plug consists essentially of 5-40% by weight of at least one of the resistance value stabilizing component selected from the group consisting of oxides of metals of Groups IVb and Vb ... | 02/01/1977 |
| 4002940 | Electrode for a discharge lamp Electrodes for a discharge lamp having a semispherical fused body to produce a very stable arc. The electrodes can be manufactured inter alia by compressing a mixture of tungsten powder, metal carbide powder and a binder to a moulding, sintering the mould... | 01/11/1977 |
| 3970888 | Tungsten-thorium dioxide-aluminum oxide mass for a high-temperature-resistant emission electrode and process for the production thereof A mass for emission electrodes and the like operating at high temperatures, employing a mixture of thorium dioxide and aluminum oxide, which contains tungsten, the thorium dioxide being present from 33-50% by weight, and the aluminum oxide from 4-15%, to ... | 07/20/1976 |
| 3962144 | Process for making a voltage dependent resistor A process for making a bulk-type voltage-dependent resistor and more particularly to a varistor comprising a zinc oxide sintered body using heat-treated zinc oxide powder. By heat-treating zinc oxide powder before the sintering step, a bulk-type voltage-d... | 06/08/1976 |
| 3950273 | Medium temperature thermistor A thermistor material of between 99% and 50% by weight of praseodymium oxide and 1 to 50% by weight of zirconium oxide provides a stable thermistor with desired resistance value changes over a temperature range of 100°C to 600°C. Other selected oxides m... | 04/13/1976 |
