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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...
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7300513 |
Composition for coating and coating film obtained therefrom
Provided is a composition for coating that can form a waterproof siliceous coating film. To impart water resistance to a film formed by binder of alkali silicate, radioactive material is used in...
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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...
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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...
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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...
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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...
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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, La2...
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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...
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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...
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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...
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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.
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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.
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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 c...
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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.
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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...
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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...
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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...
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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 from Li2 O...
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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...
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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...
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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...
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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...
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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...
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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 A' B O3 (I) a. wherein A is lanthanum, B. wherein...
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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 ...
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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...
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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 yttrium, M' is Zr4+, Hf4+, or...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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3928242 |
Metal oxide varistor with discrete bodies of metallic material therein and method for the manufacture thereof
Disclosed is a metal oxide varistor and a method for the manufacture thereof. Discrete bodies of metallic matter are combined with a mixture of a metal oxide and at least one preselected additive....
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3926858 |
Moisture sensitive element
A moisture sensitive element formed of an oxide complex semiconductor comprising 89.9 to 20 mol% of ZnO, 0.1 to 20 mol% of Cr2 O3 and 10 to 60 mol% of at least one member selected from oxides of...
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3710152 |
CHROMIUM ELECTRODES FOR MAGNETOHYDRODYNAMIC GENERATORS
A thermionic-emitting chromium electrode for magnetohydrodynamic generators possessing excellent electrical stability, oxidation resistance, and resistance to basic slags is set forth. In a...
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3653851 |
HIGH-STRENGTH METAL-SILICON CARBIDE ARTICLE
Fibrous silicon carbide, substantially free of silicon dioxide, in the form of fibrous beta crystals in intimate admixture with minor amounts of particles of silicon dioxide is disclosed as a...
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3532627 |
REDUCTION IN THE IRON CONTENT OF STABILIZED ZIRCONIA
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3503902 |
METHOD FOR PRODUCING TEMPERATURE SENSITIVE RESISTOR COMPRISING VANADIUM OXIDE
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3699058 |
URANIUM-MODIFIED ZINC OXIDE VOLTAGE VARIABLE RESISTOR
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3813296 |
INSULATING COATING FOR ELECTRICAL DEVICES
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3796673 |
METHOD OF PRODUCING MULTICOMPONENT METAL-METAL OXIDE SINGLE CRYSTALS
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3586641 |
ENHANCEMENT OF SUPERCONDUCTIVITY OF LANTHANUM AND YTTRIUM SESQUICARBIDE
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3574141 |
CATHODE
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3436269 |
ELECTRICAL DEVICE COMPRISING METAL OXIDE-CONTAINING SOLID ELECTROLYTE AND ELECTRODE
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3433749 |
GLASS ELECTRODE COMPOSITIONS
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3398167 |
Acids and salts in which the anion has a transition metal attached to one to three-s(cf3) c=c(cf3)s-groups
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3373119 |
Ternary metallic oxide agglomerate and method of preparation
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3350231 |
Fuel cell electrode and method of using same
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