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| Number | Title | Issue Date |
| 5211055 | Apparatus for the selective determination of the concentration of a substance dissolved in a solvent This invention relates to an apparatus for the selective determination of e concentration of a substance dissolved in a solvent by means of an osmosis cell. The osmosis cell according to the invention contains a substance not contained in the solution to ... | 05/18/1993 |
| 5126610 | Axially stabilized magnetic bearing having a permanently magnetized radial bearing A magnetic bearing arrangement for a rotor, having permanent magnets to absorb radial bearing forces, and having an axial stabilizer which keeps the rotor in a contactless position in relation to the stator. Attached to the stator are electric coils, whic... | 06/30/1992 |
| 5034905 | Divider circuit using analog-digital converter A circuit arrangement for dividing an input signal A by a signal B, for eple for use in localizing radiation detection, has a dividing analog-to-digital converter receiving an addition signal A+q×B as well as the divisor signal B to form the quotient (A... | 07/23/1991 |
| 4992083 | Apparatus for intermediate enrichment of trace substances from a gas stream in a cold trap, and chromatography arrangement provided therewith For intermediate enrichment of trace substances from a gas stream, a cold ap is used which carries a flow and optionally contains an adsorbent material and which is surrounded by a gas-tight double-walled jacket into which cooling fluid from a surrounding... | 02/12/1991 |
| 4965248 | Method of fabricating thin layers from high-temperature oxide superconductors A method and apparatus for producing thin superconductor film of high temperature oxide type ceramic superconductors by cathodic sputtering and in which the highest possible oxygen partial pressure is utilized in the space between the cathode and the subs... | 10/23/1990 |
| 4943394 | Method of storing radioactive waste without risk of hydrogen escape In order to prevent the formation of a hydrogen atmosphere in a free gas ce usually available in the storage containers of radioactive waste, potassium permanganate is dispersed in a suitable carrier within the storage barrel provided for the waste. When... | 07/24/1990 |
| 4928870 | Process for joining ceramic parts with a reactive conducting material A thin metal foil or an array of fine wires or a graphite web, mat or the ke, having electrical conductivity was interposed between clean polished surfaces of ceramic parts which are to be joined, with application of pressure. A high current electrical di... | 05/29/1990 |
| 4927751 | Processes for obtaining exoenzymes by culture Exoenzymes, such as proteases, xylanases and amylases, are obtained continuously by cultivation of exoenzyme-producing microorganisms in one step in a fermenter which is operated with continuous flow and in which a deficiency state corresponding to maxima... | 05/22/1990 |
| 4925651 | Radiofluoro-tyrosine derivatives, the preparation and use thereof The use of 2-radiohalogenotyrosine derivatives of the formula I ##STR1## in which X denotes a radioactive halogen, in particular fluorine-18, bromine-75 or iodine-123, and R denotes hydrogen or methyl, in particular of 2-fluoro(18)-tyrosine and -meth... | 05/15/1990 |
| 4917873 | Process and apparatus for cleaning hot gases In order to clean gases containing noxious components by contacting the gases with a solid material layer adhering to carrier bodies, the solid material layer is applied to the carrier body by wetting with an impregnating solution and then drying the solu... | 04/17/1990 |
| 4918316 | Method of and apparatus for irradiating large surfaces with ions A target rotated about an axis is subjected to large surface irradiation by ons which spread in the direction of the target from a focus and in which peripheral ions are reflected inwardly, preferably by an array of electrode elements of alternatingly oppo... | 04/17/1990 |
| 4917843 | Process for joining molded silicon nitride parts For joining shaped bodies of silicon nitride together, silicon nitride surfaces to be joined are first polished and then put into an apparatus for applying sputtered layers where they are first cleaned by ion bombardment in argon, followed immediately by ... | 04/17/1990 |
| 4915922 | Process for preparation of oxidazable oxides of nitrogen from waste gas streams Oxides of nitrogen can be removed from waste gas flows containing NO and er oxides of nitrogen by contact of the waste gas with a solid material layer that can be washed off and regenerated, without leaving detectable residues of NO in the cleaned gas. I... | 04/10/1990 |
| 4909192 | Method and cylinder head structure for supply of fuel into a piston engine Liquid fuel and water pressurized by fuel and water pumps are forced into a aporizer which is heated by hot exhaust gases of a piston engine. The resulting vapor mixture is blown into the combustion chamber of a cylinder head of the engine at a speed up to... | 03/20/1990 |
| 4891968 | Process for the determination of the concentration of substances dissolved in a solvent by means of osmotic cells This invention relates to a process and apparatus for the determination of he concentration of substances dissolved in a solvent. For this purpose, an osmotic cell is used, in which first, by means of an (external) reference solution, a working pressure is... | 01/09/1990 |
| 4859368 | Process for the containment of materials in a ceramic matrix through the chemical precipitation of a hydrosol of the matrix A process for the embedding or containment of waste materials, especially of radioactive waste materials, by embedding in a ceramic matrix through the intermediary of the chemical precipitation of a hydrosol of the matrix, which is formed through the reac... | 08/22/1989 |
| 4857153 | Process for the production of porous electrodes Porous electrodes are obtained by a method in which a layer of a powder mixture comprising (a) finely divided carbonyl metal having a low bulk density and high frictional resistance and (b) a pulverulent component which is catalytically active or can be a... | 08/15/1989 |
| 4851299 | Alloy foil for diffusion welding silicon carbide molded parts together or with ceramic or metal parts Molded bodies of SiC ceramic can be firmly bonded to each other or to mol bodies of other ceramic material or to metal workpieces by the establishment of diffusion-welding conditions when a metal alloy layer is interposed between cleaned and polished sur... | 07/25/1989 |
| 4845361 | Process for electron beam guiding with energy selection and electron spectrometer High energy resolution at high electron current at the specimen or at the detector is obtained by an electron beam guiding with focusing energy selection, in particular in an electron spectrometer with emission system and at least one energy dispersive sy... | 07/04/1989 |
| 4836443 | Temperature-dependent pressure release device for pressure vessels Thermal expansion from the heating up of a pressure vessel in the form of elongated cylinder for containing a nuclear reaction is used to produce motion, beginning at a certain limit temperature, which is used to actuate a lever mechanism to open a safet... | 06/06/1989 |
| 4816041 | Process and installation for the adsorptive separation of krypton from a krypton nitrogen gas mixture A process and installation for the adsorptive separation, in an adsorption olumn, of krypton from a gas mixture containing, in particular, nitrogen in addition to the krypton. The adsorption column is filled with an adsorption medium which adsorbs krypton ... | 03/28/1989 |
| 4814605 | Entrance system for a photodetector having a 180 degree image angle and detector provided therewith Disclosed is an entrance system having an image angle of 180° suite for a radiation detector for detecting differing wavelengths of sunlight, comprising a hemispherical shell of light transmitting material; a tube of light transmitting material extendin... | 03/21/1989 |
| 4812694 | Contact free magnetic bearing A contact free magnetic bearing in which a magnetic body is disposed betw a pair of opposed magnetic poles so that the magnetic field between the poles is in supporting relation to the magnetic member disposed therebetween. Deviation of the magnetic memb... | 03/14/1989 |
| 4795612 | Apparatus for the detection of filterable gas contaminants For the determination of filterable pollutants in gases there is a filter sc, which is located on a horizontal, compact rotary plate, which is moved over a suction head, whose suction lips interact with corresponding holes or borings in the rotary plate. ... | 01/03/1989 |
| 4794178 | Process for the production of 18 F-labeled organic compounds by nucleophilic substitution Organic compounds labeled with no-carrier-added fluorine 18 are processed yield a compound having a formula in the form of 18 F-R through a nucleophilic substitution reaction. The process has a series of steps. The first step of the process re... | 12/27/1988 |
| 4793930 | Process for waste water purification employing the activated sludge process Waste water purification employing the activated sludge process with batch-wise waste water feed to the aeration tank. There is continuous aeration and water discharge from the tank. The process has a fixed dosing cycle based on historical values for the ... | 12/27/1988 |
| 4784313 | Method for bonding silicon carbide molded parts together or with ceramic or metal parts Molded bodies of SiC ceramic can be firmly bonded to each other or to molded bodies of other ceramic material or to metal workpieces by the establishment of diffusion-welding conditions when a metal alloy layer is interposed between cleaned and polished s... | 11/15/1988 |
| 4781734 | Non-porous hydrogen diffusion membrane and utilization thereof A non-porous hydrogen diffusion membrane, and the utilization thereof for e separation of hydrogen from gas mixtures. The non-porous hydrogen diffusion membrane distinguishes itself in that it is constituted of TiNi or TiAg with an atom ratio of about 1:1... | 11/01/1988 |
| 4773982 | Electrolyzer with sandwich arrangement of diaphragm and electrodes and method of producing the sandwich arrangement An electrolyzer for alkaline electrolysis of water has a diaphragm-electr sandwich arrangement wherein a predetermined narrow spacing to provide a minimum distance is maintained between the diaphragm surface and the superjacent electrode. The spacing is ... | 09/27/1988 |
| 4765406 | Method of and apparatus for increasing the mobility of crude oil in an oil deposit Test recovery of crude oil by injection of a heat carrier into the oil stum is effected by generating thermal energy in the crude oil deposit or at a location at which a well enters this deposit by carrying out a catalytic methanization reaction and tran... | 08/23/1988 |
| 4758153 | Vaporizer for liquid fuel for producing a fuel-air mixture A vaporizer for liquid fuel for producing a fuel-air mixture including a orization member for the fuel and which is arranged within a flow chamber for combustion air. The surface of the vaporization member which is streamed against by the combustion air ... | 07/19/1988 |
| 4755359 | Arrangement for the removal of hydrogen An arrangement for the elimination or removal of hydrogen from a hydrogenntaining gas mixture through the intermediary of foils which are fastened within a closable container, wherein the material of the foils produces an elimination of hydrogen, whereby... | 07/05/1988 |
| 4742006 | Fermentation process for the production of fructose from aqueous mixtures of fructose and glucose and Zymomonas mobilis mutants which can be used for such fermentation A method of producing fructose from aqueous glucose and fructose mixtures by fermenting in one step an aqueous mixture of fructose and glucose with a stable mutant of Zymomonas mobilis, and also producing the stable mutant of Zymomonas mobilis.... | 05/03/1988 |
| 4725409 | Arrangement for fine dust separation in a fluidized bed reactor An arrangement for fine dust separation in a fluidized bed reactor with a clone and dust return conduit. A venturi tube extends from the solids discharge of the cyclone intermediate the cyclone and the dust return conduit, and a gas injector is located at... | 02/16/1988 |
| 4720036 | Method and apparatus for a surface-improving treatment of body of an alloy having a readily oxidizable surface-impairing component A rotary wire brush is used to transfer nickel, copper or brazing filler metal, like gold and silver from a slab of metal to the surface of a workpiece. The brush cleans the metal workpiece to expose a metal surface freshly and rubs metal of the metal sla... | 01/19/1988 |
| 4715216 | Process and apparatus for the chromatographic determination of components in specimens For the determination of low ion concentrations in aqueous specimens by ion chromatography with aqueous eluents, the test specimen is added to a stream of extra-pure water, which is mixed immediately ahead of the separation column with an appropriately co... | 12/29/1987 |
| 4713234 | Process and apparatus for conversion of water vapor with coal or hydrocarbon into a product gas A process and apparatus for convertion of steam and hydrocarbon, or steam and coal, into a product gas which contains hydrogen. The conversion rate is augmented by effective extraction and removal of hydrogen as and when hydrogen is generated. Within a re... | 12/15/1987 |
| 4708764 | Method of and apparatus for growing crystals A complex relative movement in a direction transverse to the crystal draw direction is imparted at the interface between the growing crystal bar and a melt of the crystallizable material by controlled electrical energization of a radial stabilizer acting... | 11/24/1987 |
| 4706495 | Method and apparatus for the determination of substances dissolved in a solvent The invention relates to methods for the determination of the concentration of substances dissolved in a solution by means of an osmotic cell, using a pressure measurement device, and an apparatus incorporating the aforesaid osmotic cell with pressure mea... | 11/17/1987 |
| 4707606 | Proportional counter for detecting surface contaminations Proportional counters for the detection and measurement of radioactive surface contaminations are provided with at least two flat window faces enclosing an angle and being formed by a thin foil spread or stretched by a framework including thin rods arrang... | 11/17/1987 |
