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| Patent # | Description |
|---|---|
| US-4,832,923 |
Liquid-liquid extraction columns A liquid-liquid extraction column for use for example, in the solvent extraction of uranium and/or plutonium from an aqueous phase, comprises a perforated plate... |
| US-4,832,922 |
Single crystal growing method and apparatus In a single crystal growing technique (crystal pulling) a method and apparatus for minimizing impurity contamination and preventing heat convection currents from... |
| US-4,832,921 |
Apparatus for regeneration of hydrocarbon conversion catalyst A vessel for effecting multiple treatment steps needed to regenerate spent hydrocarbon conversion catalyst. Regeneration is accomplished in a moving bed of... |
| US-4,832,920 |
Olefin fractionation and catalytic conversion system A continuous catalytic system for converting an olefinic feedstock comprising ethylene and C.sub.3.sup.+ olefins to heavier liquid hydrocarbon product... |
| US-4,832,919 |
Olefin fractionation and catalytic conversion system with heat exchange
means A heat balanced system for converting an olefinic feedstock comprising ethylene and C.sub.3.sup.+ olefins to heavier liquid hydrocarbon product in a catalytic... |
| US-4,832,918 |
Rotary ozonizer A rotary ozonizer includes a drive motor for driving a rotor and an air compressor. The rotor is housed in a cylindrical body serving as an stationary electrode.... |
| US-4,832,917 |
Grommetted system for liquid scintillation vials A 10 to 18 mm. diameter vial, 50 to 65 mm. in height, of specialized construction requires a grommet or integral flange on both ends to retain the vial in... |
| US-4,832,916 |
Chromatographic column for immunological determining methods The invention relates to a chromatographic column for separating antigen-antibody complexes from the free antigens not bonded to the antibodies and/or for... |
| US-4,832,915 |
Vapor recovery from particles containing same A system for recovering vapor, such as residual isobutane, from powder, such as polyethylene powder, comprises surge vessel and a two-compartment purge column.... |
| US-4,832,914 |
Two-dimensional uniformly fed unstirred chemical reactor An apparatus and method for producing and observing spatial patterns in chemical reaction comprising a vessel having a laminate positioned in said vessel forming... |
| US-4,832,913 |
Hydrogen storage materials useful for heat pump applications Disclosed is a class of multicomponent, high capacity hydrogen storage materials suitable for use in a heat pump comprising titanium, vanadium, manganese and... |
| US-4,832,912 |
Thermal and wear resistant tough alloy This invention relates to the thermal and wear resistant, tough alloy at elevated temperatures. The alloy consists essentially of carbon, chromium, nickel,... |
| US-4,832,911 |
Method of alloying aluminium Aluminium is alloyed by adding alloying ingredients to the molten metal in an intermediate treatment vessel or ladle rather than as at present in a casting... |
| US-4,832,910 |
Aluminum-lithium alloys Disclosed is an aluminum-lithium alloy containing a predetermined amount of lanthanides which provides the alloy with an improved combination of strength and... |
| US-4,832,909 |
Low cobalt-containing maraging steel with improved toughness A low cobalt maraging steel has a yield strength of at least about 240 ksi (about 1655 MPa) in the aged condition in combination with good toughness as indicated... |
| US-4,832,908 |
Low thermal expansion cast alloy A novel low thermal expansion cast alloy is provided. The alloy consists of, by percents by weight, 0.02 to 0.25% of C, 30.5 to 33.3% of Ni, 4.0 to 6.0% of Co,... |
| US-4,832,907 |
Process for producing tungsten heavy alloy sheet A process is disclosed for producing a sheet of tungsten heavy alloy which involves uniformly blending elemental powder components of the alloy by forming a... |
| US-4,832,906 |
Fuel assembly A fuel assembly comprises a channel box, upper and lower tie plates fixed to the upper and lower portion of the channel box and a bundle of fuel rods enclosed in... |
| US-4,832,905 |
Lower end fitting debris collector A fuel assembly (10) has a lower end fitting debris collector (40) assembled in the form of a welded assembly of an "eggcrate" grid (21) and cast base (40) with... |
| US-4,832,904 |
Emergency cooling device for a fast neutron nuclear reactor The cooling device comprises a heat exchanger (7) immersed in the hot header (4) of the nuclear reactor vessel, a substantially vertical tubular conduit (14)... |
| US-4,832,903 |
Dry storage arrangements for nuclear fuel A storage arrangement for nuclear fuel has a plurality of storage tubes connected by individual pipes to manifolds which are connected, in turn, to a venting... |
| US-4,832,902 |
Refueling of nuclear reactor Refueling apparatus for a nuclear reactor including a bridge and a trolley. The bridge is moveable in tracks along the containment of the pit in which the... |
| US-4,832,901 |
Nuclear reactor fuel assembly mixing vane repair method A method for reparing bent mixing vanes in a nuclear reactor fuel assembly is described, including the steps of introducing an apparatus having movable blades... |
| US-4,832,900 |
Test tool for a reactor vessel fluid level instrumentation A test tool for a reactor vessel level instrumentation system which simulates and verifies the values of input signals applied to the instrumentation system. The... |
| US-4,832,899 |
Mechanical spectral shift reactor The mechanical spectral shift reactor comprises a reactive core having fuel assemblies accommodating both water displacer elements and control rods for... |
| US-4,832,898 |
Variable delay reactor protection system A system for variably delaying reactor trip and auxiliary feedwater system actuation resulting from a low water condition in a steam generator includes a... |
| US-4,832,897 |
Process for the preparation of blown film A process for the preparation of highly oriented blown polyethylene film is disclosed. The film is mono-axially oriented and has improved stiffness, tear... |
| US-4,832,896 |
Method for producing plastics material films A method and apparatus are provided to prevent specks of condensation products being formed on a plastics material film produced by a calendering technique. In... |
| US-4,832,895 |
Boron-containing ceramics through the chemical conversian of
borane-containing polymers A process for producing boron-containing ceramics such as boron carbide and boron nitride comprises pyrolyzing a blend of a precarbonaceous polymer such as... |
| US-4,832,894 |
Pultrusion of filaments of anisotropic melt-forming polymers Articles from filaments of thermotropic liquid crystal polymers are formed by pultrusion without use of extraneous binder, wherein the filaments formed in a... |
| US-4,832,893 |
Method for producing a PLZT compound A method for producing PLZT generally expressed as (Pb.sub.1-x La.sub.x) (Zr.sub.1-y Ti.sub.y).sub.1-x/4 O.sub.3 (0<x.ltoreq.0.3, 0.ltoreq.y.ltoreq.1.0)... |
| US-4,832,892 |
Assembly for making ceramic composite structures and method of using the
same An assembly for the preparation of ceramic composite structures includes a segmented container within which a permeable filler is retained and a parent metal... |
| US-4,832,891 |
Method of making an epoxy bonded rare earth-iron magnet A method of making a bonded permanent magnet including the steps of dissolving, in a solvent, an uncured epoxy resin having an incorporated catalyst which is... |
| US-4,832,890 |
Casting process A process for casting slip into a ceramic product using at least one unique casting mold. The casting mold is formed of a plurality of separate porous mold... |
| US-4,832,889 |
Vaulted screw/grooved barrel extrusion machine, method and system Extrusion process and apparatus, the apparatus including an extrusion barrel having axial grooves which extend through the feed section and solids conveying... |
| US-4,832,888 |
Method for producing high-density silicon nitride sintered product A shaped body of silicon nitride enjoying high density, ample shrinkage, and outstanding mechanical strength is produced in a desired pattern by a method of... |
| US-4,832,887 |
Process for firing green moldings of ceramic pastes In the process for firing green moldings of ceramic pastes which contain plasticizers, the green moldings are placed on kiln furniture which has at least a... |
| US-4,832,886 |
Abrasion process for the manufacture of microporous film A vapor permeable and liquid impermeable microporous film suitable for diaper back sheets and other disposable applications is produced by abrading a filled,... |
| US-4,832,885 |
Method and apparatus for measuring and controlling thermoplastic foam
sheet blow-up A method and an apparatus for controlling foam sheet blow-up in a thermoformer oven. Control of the oven operation is achieved through monitoring the measured... |
| US-4,832,884 |
Method for measuring and controlling the closing force of a plastic
injection molding machine When the mold of plastic injection molding machine is locked, the closing force (K) is measured at the knuckle joint system during a predetermined number of... |
| US-4,832,883 |
Method and apparatus for controlling screw positions in injection
molding machine A method for controlling an injection molding machine involving the steps of: detecting, by a screw position detector, a position of a screw of the injection... |
| US-4,832,882 |
Method of removing impurities from a material A waste recovery method for producing essentially pure thermoplastic material from waste thermoplastic material containing impurities is disclosed to be... |
| US-4,832,881 |
Low density microcellular carbon foams and method of preparation A low density, open-celled microcellular carbon foam is disclosed which is prepared by dissolving a carbonizable polymer or copolymer in a solvent, pouring the... |
| US-4,832,880 |
Manufacture of moulded products In a process for the manufacture of a moulded product by compression of a powder or granules in a die, a powdered die lubricant is used, lubricant particles are... |
| US-4,832,879 |
Substituted 3-fluoroalkoxybenzoyl halides and their preparation Novel substituted 3-fluoroalkoxybenzoyl halides of the formula ##STR1## where Hal is fluorine or chlorine, R.sup.1 is chlorodifluoromethyl, difluoromethyl,... |
| US-4,832,878 |
Gas-liquid process for preparing isobutyryl fluoride and reactor therefor A process and apparatus using two gas liquid separations when carbonylating propylene to isobutyryl fluoride in hydrogen fluoride result in a savings in recycle... |
| US-4,832,877 |
Tetranuclear sulfido-bridged complex of Cr(III) having a strongly
magnetic ground state Broadly stated, the present invention encompasses tetranuclear sulfide-bridged complexes of Cr(III) having bridging organo-carboxylate ligands. Indeed, in one... |
| US-4,832,876 |
Process for the manufacture of higher fatty monoglyceride monosulfate
detergents A process for the manufacture of water soluble higher fatty monoglyceride monosulfate detergents is described which includes reacting a sulfating agent, such as... |
| US-4,832,875 |
Vitamin D.sub.3 derivative This invention provides 1.alpha.,25-dihydroxy-24a,24a-difluoro-24-homovitamin D.sub.3 and a process for its production. This compound has strong vitamin D... |
| US-4,832,874 |
Method of solidifying radioactive waste and solidified product thereof A radioactive waste that chiefly contains sodium sulfate or sodium borate as a solids content is blended with a mixture consisting of about 5-35 wt % of a... |
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