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| Number | Title | Issue Date |
| 4687570 | Direct use of methane in coal liquefaction This invention relates to a process for converting solid carbonaceous material, such as coal, to liquid and gaseous hydrocarbons utilizing methane, generally at a residence time of about 20-120 minutes at a temperature of 250°-750° C., preferably 3... | 08/18/1987 |
| 4687564 | Refractory lining for electrochemical cell Apparatus for processing a metallic fluid containing iron oxide, container for a molten metal including an electrically conductive refractory disposed for contact with the molten metal which contains iron oxide, an electrolyte in the form of a basic slag ... | 08/18/1987 |
| 4687560 | Method of synthesizing a plurality of reactants and producing thin films of electro-optically active transition metal oxides A method of synthesizing electro-optically active reaction products from a plurality of reactants by inducing a reaction by plasma deposition among the reactants. The plasma reaction is effective for consolidating the reactants and producing thin films of... | 08/18/1987 |
| 4687165 | Adapter plate assembly for adjustable mounting of objects An adapter plate and two locking discs are together affixed to an optic table with machine screws or bolts threaded into a fixed array of internally threaded holes provided in the table surface. The adapter plate preferably has two, and preferably paralle... | 08/18/1987 |
| 4686860 | Self-aligning hydraulic piston assembly for tensile testing of ceramic The present invention is directed to a self-aligning grip housing assembly that can transmit an uniaxial load to a tensil specimen without introducing bending stresses into the specimen. Disposed inside said grip housing assembly are a multiplicity of sup... | 08/18/1987 |
| 4686833 | Method of forming clathrate ice A method of forming clathrate ice in a supercooled water-based liquid contained in a vessel is disclosed. Initially, an oscillator device is located in the liquid in the vessel. The oscillator device is then oscillated ultrasonically so that small crystal... | 08/18/1987 |
| 4688068 | Quantum well multijunction photovoltaic cell A monolithic, quantum well, multilayer photovoltaic cell comprises a p-n junction comprising a p-region on one side and an n-region on the other side, each of which regions comprises a series of at least three semiconductor layers, all p-type in the p-reg... | 08/18/1987 |
| 4686979 | Excimer laser phototherapy for the dissolution of abnormal growth Removal of abnormal human tissue with reduced thermal damage is achieved by selecting a laser having a wavelength in the order of 290-400 nm, orienting a laser-transmitting glass member toward the abnormal tissue and directing the laser through the glass ... | 08/18/1987 |
| 4686368 | Apparatus and method for reading two-dimensional electrophoretograms containing ଲ-ray-emitting labeled compounds Apparatus and method for electronically reading planar two dimensional ଲ-ray emitter-labeled gel electrophoretograms. A single, flat rectangular multiwire proportional chamber is placed in close proximity to the gel and the assembly placed in an int... | 08/11/1987 |
| 4686526 | Remote reset circuit A remote reset circuit acts as a stand-alone monitor and controller by clocking in each character sent by a terminal to a computer and comparing it to a given reference character. When a match occurs, the remote reset circuit activates the system's hardwa... | 08/11/1987 |
| 4684217 | Hydrofluoric acid-resistant composite window and method for its fabrication A hydrofluoric acid-resistant composite window and method for its fabrication are disclosed. The composite window comprises a window having first and second sides. The first side is oriented towards an environment containing hydrofluoric acid. An adhesive... | 08/04/1987 |
| 4683042 | Method and apparatus for continuous annular electrochromatography Separation of complex mixtures and solutions can be carried out using a method and apparatus for continuous annular electrochromatography. Solutes are diverted radially by an imposed electrical field as they move downward in a rotating chromatographic col... | 07/28/1987 |
| 4683154 | Laser sealed vacuum insulation window A laser sealed evacuated window panel is comprised of two glass panes held spaced apart in relation to each other by a plurality of spherical glass beads and glass welded around the edges to provide an evacuated space between the glass panes that is compl... | 07/28/1987 |
| 4683123 | Osmium-191/iridium-191m radionuclide A generator system to provide iridium-191m for clinical imaging applications comprises an activated carbon adsorbent loaded with a compound containing the parent nuclide, osmium-191. The generator, which has a shelf-life in excess of two weeks and does no... | 07/28/1987 |
| 4683124 | Actinide recovery process Process for the removal of plutonium polymer and ionic actinides from aqueous solutions by absorption onto a solid extractant loaded on a solid inert support such as polystyrenedivinylbenzene. The absorbed actinides can then be recovered by incineration, ... | 07/28/1987 |
| 4681795 | Planarization of metal films for multilevel interconnects In the fabrication of multilevel integrated circuits, each metal layer is anarized by heating to momentarily melt the layer. The layer is melted by sweeping laser pulses of suitable width, typically about 1 microsecond duration, over the layer in small in... | 07/21/1987 |
| 4682238 | Energy-efficient lighting system for television A light control system for a television camera comprises an artificial light control system which is cooperative with an iris control system. This artificial light control system adjusts the power to lamps illuminating the camera viewing area to provide o... | 07/21/1987 |
| 4681727 | Process for producing astatine-211 for radiopharmaceutical use A process for reliably and consistently producing astatine-211 in small controlled volumes of a solution, which is selected from a choice of solvents that are useful in selected radiopharmaceutical procedures in which the At-211 activities are to be appli... | 07/21/1987 |
| 4681717 | Process for the chemical preparation of high-field ZnO varistors Chemical preparation techniques involving co-precipitation of metals are used to provide micro-structural characteristics necessary in order to produce ZnO varistors and their precursors for high field applications. The varistors produced have homogeneous... | 07/21/1987 |
| 4680434 | Explosive-driven, high speed, arcless switch An explosive-actuated, fast-acting arcless switch contains a highly conductive foil to carry high currents positioned adjacent a dielectric surface within a casing. At one side of the foil opposite the dielectric surface is an explosive which, when detona... | 07/14/1987 |
| 4679561 | Implantable apparatus for localized heating of tissue With the object of repetitively treating deep-seated, inoperable tumors by hyperthermia as well as locally heating other internal tissue masses repetitively, a receiving antenna, transmission line, and electrode arrangment are implanted completely within ... | 07/14/1987 |
| 4678330 | Method and apparatus for measuring solar radiation in a vegetative canopy An apparatus and method for measuring solar radiation received in a vegetative canopy. A multiplicity of sensors selectively generates electrical signals in response to impinging photosynthetically active radiation in sunlight. Each sensor is attached to ... | 07/07/1987 |
| 4678024 | Horizontal electromagnetic casting of thin metal sheets Thin metal sheets are cast by magnetically suspending molten metal deposited within a ferromagnetic yoke and between AC conducting coils and linearly displacing the magnetically levitated liquid metal while it is being cooled to form a solid metal sheet. ... | 07/07/1987 |
| 4677863 | Sub-micron particle sampler apparatus Apparatus and method steps for collecting sub-micron sized particles include a collection chamber and cryogenic cooling. The cooling is accomplished by coil tubing carrying nitrogen in liquid form, with the liquid nitrogen changing to the gas phase before... | 07/07/1987 |
| 4677364 | Reactive power compensating system The reactive power of an induction machine is compensated by providing fixed capacitors on each phase line for the minimum compensation required, sensing the current on one line at the time its voltage crosses zero to determine the actual compensation req... | 06/30/1987 |
| 4676712 | Positioning and locking apparatus A positioning and locking apparatus including a fixture having a rotatable torque ring provided with a plurality of cam segments for automatically guiding a container into a desired location within the fixture. Rotation of the ring turns the container int... | 06/30/1987 |
| 4674878 | Practical substrate and apparatus for static and continuous monitoring by surface-enhanced raman spectroscopy A substrate for use in surface-enhanced Raman spectroscopy (SERS) is disclosed, comprising a support, preferably flexible, coated with roughness-imparting microbodies and a metallized overcoating. Also disclosed is apparatus for using the aforesaid substr... | 06/23/1987 |
| 4674774 | Orienting members in a preselected rotary alignment An apparatus for orienting members and for maintaining their rotary alignment during orienting members. The apparatus comprises first and second cylindrical elements, a rotation prevention element, a collar and a retainer. Each element has an outside wall... | 06/23/1987 |
| 4674343 | Liquid sampling system A conduit extends from a reservoir through a sampling station and back to the reservoir in a closed loop. A jet ejector in the conduit establishes suction for withdrawing liquid from the reservoir. The conduit has a self-healing septum therein upstream of... | 06/23/1987 |
| 4675145 | Magnetically insulated diode for generating pulsed neutron and gamma ray emissions A magnetically insulated diode employs a permanent magnet to generate a magnetic insulating field between a spaced anode and cathode in a vacuum. An ion source is provided in the vicinity of the anode and used to liberate ions for acceleration toward the ... | 06/23/1987 |
| 4675415 | Ambient-temperature superconductor symetrical metal-dihalide bis-(ethylenedithio)-tetrathiafulvalene compounds A new class of organic superconductors having the formula (ET)2 MX2 wherein ET represents bis(ethylenedithio)-tetrathiafulvalene, M is a metal such as Au, Ag, In, Tl, Rb, Pd and the like and X is a halide. The superconductor (ET) | 06/23/1987 |
| 4674320 | Chemoresistive gas sensor A chemoresistive gas sensor is provided which has improved sensitivity. A layer of organic semiconductor is disposed between two electrodes which, in turn, are connected to a voltage source. High conductivity material is dispersed within the layer of orga... | 06/23/1987 |
| 4674176 | Planarization of metal films for multilevel interconnects by pulsed laser heating In the fabrication of multilevel integrated circuits, each metal layer is planarized by heating to momentarily melt the layer. The layer is melted by sweeping laser pulses of suitable width, typically about 1 microsecond duration, over the layer in small ... | 06/23/1987 |
| 4675146 | Weld monitor and failure detector for nuclear reactor system Critical but inaccessible welds in a nuclear reactor system are monitored throughout the life of the reactor by providing small aperture means projecting completely through the reactor vessel wall and also through the weld or welds to be monitored. The ap... | 06/23/1987 |
| 4675101 | Step-wise supercritical extraction of carbonaceous residua A method of fractionating a mixture containing high boiling carbonaceous material and normally solid mineral matter includes processing with a plurality of different supercritical solvents. The mixture is treated with a first solvent of high critical temp... | 06/23/1987 |
| 4673290 | Diagnostic apparatus and method for use in the alignment of one or more laser means onto a fiber optics interface Diagnostic apparatus for use in determining the proper alignment of a plurality of laser beams onto a fiber optics interface is disclosed. The apparatus includes a lens assembly which serves two functions, first to focus a plurality of laser beams onto th... | 06/16/1987 |
| 4673695 | Low density microcellular foams Low density, microporous polymer foams are provided by a process which comprises forming a solution of polymer and a suitable solvent followed by rapid cooling of the solution to form a phase-separated system and freeze the phase-separated system. The pha... | 06/16/1987 |
| 4672207 | Readout system for multi-crystal gamma cameras A radioisotope camera (10) having an array (12) of scintillation crystals (13) arranged in N rows and M columns and adapted to be struck by gamma-rays from a subject, a separate solid state photodetector (15 ) optically coupled to each crystal (13), and N... | 06/09/1987 |
| 4670405 | Sensor array for toxic gas detection A portable instrument for use in the field in detecting and identifying a hazardous component in air or other gas including an array of small sensors which upon exposure to the gas from a pattern of electrical responses, a source of standard response patt... | 06/02/1987 |
| 4670239 | Photochemical preparation of plutonium pentafluoride The novel compound plutonium pentafluoride may be prepared by the photodissociation of gaseous plutonium hexafluoride. It is a white solid of low vapor pressure, which consists predominantly of a face-centered cubic structure with ao =4.2709&#b... | 06/02/1987 |
