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| Number | Title | Issue Date |
| 4162942 | Monitoring ethylene oxide sterilization residual with enzymes A method for indicating possible biological hazard due to sterilization residual, e.g. ethylene oxide sterilization residual, involves extracting residual, contacting extracted residual with enzyme, and providing an indication of enzyme deactivation.... | 07/31/1979 |
| 4162943 | Slot pyrolysis reactor and method of pyrolysis Apparatus for conducting the flash pyrolysis of a primary material, particularly coal, and employing a secondary material, particularly hot char, as a heat source, comprising a rectangular slot for injection of a stream of particulate coal, which communic... | 07/31/1979 |
| 4162944 | Spotting method and apparatus for coke oven batteries A method and apparatus for spotting a pusher machine or other door-handling machine in relation to a coke oven. The method and apparatus are particularly useful for aligning a door extractor carrying a door with an open hot oven, but also may be used to a... | 07/31/1979 |
| 4162945 | Installation and process for multistage-controlled flash evaporation Installation and process for multi-flash evaporation, in particular for the desalinization of sea water, in which the liquid to be evaporated is led through at least one passage channel which is constituted by a series of alternately snail-shell-shaped or... | 07/31/1979 |
| 4162946 | Process for concentrating halogenoanthraquinones A process for concentrating at least one of (a) individual halogenoanthraquinones (b) binary mixtures of di-halogenoanthraquinones and (c) binary mixtures of trihalogenoanthraquinones, from a mixture containing at least two halogenoanthraquinones, compris... | 07/31/1979 |
| 4162947 | Acid zinc plating baths and methods for electrodepositing bright zinc deposits An aqueous acidic plating bath for the electrodeposition of a bright zinc deposit on a substrate is disclosed and comprises zinc ions, ammonium ions and at least one aromatic sulfonic acid or salt having the general formula ##STR1## wherein R1 | 07/31/1979 |
| 4162948 | Method of dehalogenating halogenated hydrocarbon to yield elemental halogen A halogenated hydrocarbon such as a halogenated ethane or propane is dehalogenated by subjecting to electrolysis an aqueous reaction system containing the halogenated hydrocarbon, a halide of metal having dehalogenating ability and a detergent. The detach... | 07/31/1979 |
| 4162949 | Reduction of steel cathode overpotential The hydrogen overpotential of a steel cathode for use in the electrolysis of aqueous alkali metal solutions in diaphragm electrolytic cells is reduced by depolarization in a highly alkaline electrolyte. The reduction results in an appreciable reduction of... | 07/31/1979 |
| 4162950 | Treatment of effluents A process for recovering platinum group metal present as a stable complex dissolved in an aqueous effluent from a platinum group metals refinery which comprises (1) adjusting the pH of the effluent to an alkalinitz of at least 10; (2) heating to above 60Â... | 07/31/1979 |
| 4162951 | Electroplating apparatus with selectively interchangeable, connectable drums Disclosed is a single electroplating apparatus capable of utilizing varying numbers and sizes of drums for electroplating batches of small elements. All drums have a common end portion which connects with the apparatus to orient the drum with an essential... | 07/31/1979 |
| 4162952 | Apparatus for electrolysis by projection Apparatus for electrolysis by projection for deposit of or removal of a metal material on parts which are at least partially electrically conducting, characterized by the fact that it comprises at least one jet fed by a pump and which continuously project... | 07/31/1979 |
| 4162953 | Monopolar electrolytic diaphragm cells with removable and replaceable dimensionally stable anodes and method of inserting and removing said anodes Describes a monopolar diaphragm electrolytic cell with dimensionally stable anodes in which the anodes rest freely in the cell and are spring-pressed toward the diaphragms by spring-loaded transverse arms on the positive current carriers, which in use con... | 07/31/1979 |
| 4162954 | Planar magnetron sputtering device A planar magnetron sputtering device where the magnetic lines of force pass through the center of the planar cathode at angles of 45° or less with respect to the planar surface of the cathode to thereby promote uniformity of cathode erosion. The magnetic... | 07/31/1979 |
| 4162955 | Electrodeposition coating apparatus An apparatus used in the electrodeposition coating of a continuous sheet of metal as it travels in a horizontal pathway between a pair of electrically charged electrodes and through a bath of liquid coating solution that is continuously circulated to the ... | 07/31/1979 |
| 4162956 | Coal deashing process having improved solvent recovery techniques An improved coal deashing process wherein coal is mixed with a coal liquefaction process solvent, solubilized and flashed to provide a prepared mixture and the prepared mixture is mixed with a deashing solvent to produce a feed mixture. Thereafter, the fe... | 07/31/1979 |
| 4162957 | Method of feeding solids to a process unit The present invention relates to a process wherein solidified coal liquefaction products with or without other solid materials can be simultaneously melted and introduced at an elevated pressure into a process unit. The melting and introduction of the coa... | 07/31/1979 |
| 4162958 | Process for the discharge of ash concentrate from a coal deashing system An improved process for the continuous discharge from a first separation zone of a first heavy fraction comprising insoluble coal products and solvent in a coal deashing process utilizing solvents at elevated pressures and temperatures near the critical t... | 07/31/1979 |
| 4162959 | Production of hydrogenated hydrocarbons In a continuous process for recovery of values from a solid carbonaceous material, the carbonaceous material is pyrolyzed in the presence of a particulate source of heat to yield a particulate carbon containing residue of pyrolysis and volatilized hydroca... | 07/31/1979 |
| 4162960 | Shale retorting process and apparatus Crushed oil shale is segregated into a major portion of relatively large particles and a minor portion of "fines" which will pass through screen openings up to about 1/4 inch in size. The large particles are subjected to retorting as an upflowing moving b... | 07/31/1979 |
| 4162961 | Cycle oil conversion process A cycle oil is hydrogenated under conditions such that the product of the hydrogenation process can be fractionated to obtain a more valuable naphtha reforming charge stock and a furnace oil fraction.... | 07/31/1979 |
| 4162962 | Sequential hydrocracking and hydrogenating process for lube oil production UV-unstable hydrocrackate lube oil stock is improved by hydrogenating the stock at a temperature in the 200° to 300° C. range using a hydrogenating component disposed upon an alumina carrier having a substantial pore volume of which a major portion is i... | 07/31/1979 |
| 4162963 | Method for producing hydrocarbon fuels and fuel gas from heavy polynuclear hydrocarbons by the use of molten metal halide catalysts In a process for hydrocracking heavy polynuclear carbonaceous feedstocks to produce lighter hydrocarbon fuels by contacting the heavy feedstocks with hydrogen in the presence of a molten metal halide catalyst in a hydrocracking zone, thereafter separating... | 07/31/1979 |
| 4162964 | Method of handling ash-rich material in a coal deashing process A process and apparatus for maintaining continuous operation of a coal deashing process during periods of normal operation wherein a dry, powdery ash concentrate composition is produced and during process upsets wherein undesired semi-solids or fluid comp... | 07/31/1979 |
| 4162965 | Process for the removal of solid particulate materials from crude shale oils This invention relates to a process for removing finely divided insoluble particulate materials from crude shale oils. A feed comprising crude shale oil that contains insoluble particulate material is mixed with a solvent and thereafter separated in a fir... | 07/31/1979 |
| 4162966 | Flotation of deep mined coal with water-in-oil emulsions of sodium polyacrylate A method and treating agent for increasing the yield of deep mined coal mined from a site 100 feet or more below the surface where the particles in the coal are concentrated by froth flotation. This method consists of utilizing as a promoter or frothing a... | 07/31/1979 |
| 4162967 | Archaeological sifting basket An archaeological sifting basket is disclosed for use at the site of an archaeological dig, said basket comprising a frame, with wire mesh screen attached. The basket is hinged to be collapsible and has a bottom wall made up of two planar areas arranged a... | 07/31/1979 |
| 4162968 | Screen apparatus for sorting fragmented material An improved sorting apparatus of the harp screen variety utilizes a plurality of elongated, parallel wire spacing strips positioned along a frame and carried on individual beams which are oriented perpendicular to a multiplicity of tensioned wire lengths ... | 07/31/1979 |
| 4162969 | Apparatus for separating material by specific gravity A device for separating particles of relatively high specific gravity from particles of relatively low specific gravity wherein the particles to be separated are suspended in a carrier fluid is provided. The device includes a truncated conical shaped surf... | 07/31/1979 |
| 4162970 | Injectors and their use in gassing liquids In an injector for the dispersion of a gas into a liquid and comprising a gas inlet, a liquid inlet, and a mixing chamber communicating with said inlets and having an inlet and an outlet, the improvement wherein the inlet of said mixing chamber is substan... | 07/31/1979 |
| 4162971 | Injectors with deflectors for their use in gassing liquids In an injector for the dispersion of a gas into a liquid and comprising a gas inlet, a liquid inlet, and a mixing chamber communicating with said inlets and having an inlet and an outlet, the improvement which comprises at least one deflecting element dis... | 07/31/1979 |
| 4162972 | Enclosed flotation device A process for clarifying by flocculation a turbid liquid which forms a foam with injected gas and which contains material that, with gas, will form a floatable floc. A gas compatible with the liquid is injected into the liquid in order to form foam atop t... | 07/31/1979 |
| 4162973 | Water polishing system Waste water containing pollutants such as suspended solids and emulsified oil is pumped continuously through a self-contained separating or polishing system utilizing a simplified plug-in module to remove the pollutants. The suspended solids are removed b... | 07/31/1979 |
| 4162974 | Deairing and recirculation systems for dialysis machines There is disclosed herein a deairing system for use in a bedside-console-type dialysis machine. The system includes a selectively adjustable flow controller, a deairing tank, and a suction pump for drawing dialysis solution from the flow controller throug... | 07/31/1979 |
| 4162975 | High velocity composite strainer There is provided a composite strainer unit suitable for use with particulate substances in a liquid environment comprising a first strainer unit in combination with a second strainer unit. The first strainer unit having a much larger effective area than ... | 07/31/1979 |
| 4162976 | Sewage disposal system A system of waste treatment and disposal which receives and completely destroys waste solids biochemically and disposes of the effluent by total evaporation within a sealed dispersion reservoir surrounding a two stage tank assembly. Raw sewage is reduced ... | 07/31/1979 |
| 4162977 | Means for removably securing separation column within column chromatography apparatus A separation column is removably affixed within a column chromatography apparatus by means of a column engaging member, e.g., a concentric tube, and by securing a dispensing head of the apparatus to such member and engaged column via substantially axial c... | 07/31/1979 |
| 4162978 | Separator A stationary chamber having a perforated peripheral wall contains an axial rotor having rubber-like radial carrier blades which, as the rotor rotates, are indented at their outer edges by guide means having helical turns extending along said peripheral wa... | 07/31/1979 |
| 4162979 | Device for the chemical and/or physical treatment of liquids A device for the chemical and/or physical treatment of liquids which comprises a flowthrough vessel having an inlet and an outlet and is receptive of a treatment agent therebetween. The vessel comprises a substantially cylindrical tube having one end at t... | 07/31/1979 |
| 4162980 | Load indicator for centrifuges A basket centrifuge is provided with a load indicator comprising a vertical shaft rotatable in a sleeve secured to and extending through a stationary frame cover overlying the basket, a paddle on the lower end of the shaft being adapted to ride on the inn... | 07/31/1979 |
| 4162981 | Discharger for centrifuges In a basket centrifuge, a hollow boss extending downwardly through a hole in the stationary frame cover is secured to the cover, and a shaft extending downwardly through said boss is mounted for rotation in a sleeve secured to the upper portion of the bos... | 07/31/1979 |
