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Patent # Description
US-4,003,743 Process for production of motion picture film with sound track containing p-toluenesulfonic acid and glacial...
A magnetic sound track layer can be formed with good adherence on the emulsion layer of a photographic material for motion picture film by coating from a liquid...
US-4,003,742 Velocity compensation for bead bypass with speed reduction
A system employing at least one separation roller continuously contacting the outside surface of a web and tracked to move in a fixed approximately elliptical...
US-4,003,741 Method of preparation of semiconducting compounds
A method of preparation of a ternary or quaternary alloy composed of the elements A.sup.1 A.sup.2 A.sup.3 (ternary alloy) or the elements A.sup.1 A.sup.2 A.sup.3...
US-4,003,740 Recovery of copper from copper sulfide ores containing copper and iron
The invention provides a cyclic process for recovering copper from sulfide ores containing copper and iron which comprises reacting the sulfide ore with sulfur...
US-4,003,739 Copper extraction by arc heater
A single step process for converting copper ore to a metal characterized by the step of injecting powdered copper sulfide (Cu.sub.2 S) into an arc heated gas...
US-4,003,738 Method of purifying aluminum
A metallurgical process wherein aluminum carbide or other carbides are removed from partially pure aluminum formed by decomposition of an alkyl aluminum compound...
US-4,003,737 Method of agglomerating with additives in the bridging liquid
Method of agglomerating solids in a liquid suspension utilizing in the bridging liquid an additive chemically active with respect to such solids. The solid to be...
US-4,003,736 Method for preparing dry-collected fume for use in metallurgical furnaces
A method for preparing strong, stable "green" balls of dry-collected iron-bearing fume, which contains not less than about 8% combined amount of lime (CaO) and...
US-4,003,735 Compositions and methods for reducing herbicidal injury
A method and compositions for reducing injury to crops, especially wheat and sorghum, by acetanilide selective herbicides employing compounds having in common...
US-4,003,734 Substituted pyridinyloxy(thio)phenyl-acetamides, -ureas and urea derivatives and herbicidal compositions and...
Disclosed are novel substituted pyridinyloxy(thio)phenyl-acetamides, -ureas and urea derivatives, N-oxide derivatives thereof, and certain novel intermediates...
US-4,003,733 Substituted pyridinyloxy(thio)phenyl -acetamides, -ureas and urea derivatives
Disclosed are novel substituted pyridinyloxy(thio)phenyl -acetamides, -ureas and urea derivatives, N-oxide derivatives thereof, and certain novel intermediates...
US-4,003,732 Pyrazolinium compounds as herbicides
This invention provides for 1,2-dialkyl-3,5-disubstituted and -3,4,5-trisubstituted pyrazolinium salts, a method for the preparation of the said compounds, and a...
US-4,003,731 Nozzle for fluids
A nozzle is disclosed in which streams of fluid are discharged from an apertured chamber into a skirt. The skirt has vanes to facilitate stream-like...
US-4,003,730 Apparatus for making glass fibers
A heating unit for converting batch mineral material to molten glass is disclosed. The unit includes a receptacle for the flowable material, heating elements for...
US-4,003,729 Air conditioning system having improved dehumidification capabilities
An air conditioning system includes a mechanical refrigeration unit having a control to vary the dehumidifying capabilities of the system. The speed of the fan...
US-4,003,728 Method and apparatus for controlling the storage condition of perishable commodities in long-distance transport...
A method and apparatus for transporting perishable commodities provides recirculation of moisture saturated air at a predetermined optimum storage temperature...
US-4,003,727 Tubular filter connector
An improved arrangement for releasably connecting an end of a tubular gas filter bag to an aperture in an apertured plenum chamber plate member including a...
US-4,003,726 Cleaning of particulate or mist eliminating apparatus with SO.sub.2
Fiber containing devices for eliminating mist and/or particulate matter from flue gases may become plugged with carbonaceous and/or inorganic deposits or...
US-4,003,725 Apparatus for purifying hydrogen gas
Pressurized impure hydrogen gas from a hydrogen generator, bottled hydrogen, or other source is fed to a separate palladium purifier unit having an ultrapure...
US-4,003,724 Foam scrubber and method
An improved apparatus and method for separating gaseous pollutants and particles from a gas with a foam layer wherein the apparatus includes means for monitoring...
US-4,003,723 Purification of crude hydrogen chloride
Crude hydrogen chloride gas obtained as a by-product in the production of chloroacetic acids by the catalytic chlorination of acetic acid with chlorine gas in...
US-4,003,722 Process and arrangement for the removal of impurities from gases
A cleansing liquid is conveyed along a first closed circuit which includes a scrubbing device. Here, the liquid comes into contact with and scrubs an ...
US-4,003,721 Cylindrical grinder
A cylindrical grinder comprising means including a drive plate and a clamping assembly secured to the drive plate for rotating a workpiece about a selected axis,...
US-4,003,720 Telomeric-hydrocarbon phosphorus compound and hydrocarbon composition containing same
Telomeric hydrocarbon phosphorus compounds and hydrocarbon compositions containing said compounds are described. The telomeric hydrocarbon phosphorus compounds...
US-4,003,719 Schiff bases as biocides in petroleum products
A composition for preventing the growth of micro-organisms in petroleum hydrocarbons in contact with water by incorporating from about 0.05 to 0.1 per cent by...
US-4,003,718 Substituted tetrahydropyrimidines
Substituted tetrahydropyrimidines, both mono- and disubstituted, as exemplified by 2(2-N,N-dioctylamino-2-propyl)-3-tetradecyl-1,4,5,6-tetrahydropyrimidine, ...
US-4,003,717 Method and apparatus for recovering by-product silt fines from a slurry thereof
The present invention relates to a method and apparatus of recovering by-product fines, such as coal fines, by-product fines created in the manufacture and...
US-4,003,716 Cast cemented refractory metal carbides having improved sintered density
Cemented carbide articles produced by tape casting a slurry of ingredients including organic resins and plasticizers, forming the cast tape into a desired shape...
US-4,003,715 Copper-manganese-zinc brazing alloy
A brazing alloy composition is provided for brazing together a ferrous metal part to another part, said alloy comprising about 15% to 30% manganese, about 15% to...
US-4,003,714 Device for closing inlet and outlet ports of a tunnel autoclave
A tunnel autoclave having guillotine doors at opposite ends has sections of rail fixed to the said doors so as to be aligned with guide rails extending through...
US-4,003,713 Multiple test tube evaporator
An apparatus for effecting evaporation of the contents of a multitude of containers, such as test tubes, including a rack and a manifold having multiple paths of...
US-4,003,712 Fluidized bed reactor
A fluid bed reactor system and process employing a silyl chromate catalyst therein wherein the reactor system comprises a vertical reactor having a fluidizing...
US-4,003,711 Apparatus for elimination of nitrogen oxides from combustion waste gases
Nitrogen oxides (NOx) are removed from combustion waste gases by injecting gas (NH.sub.3) into the combustion waste gases in the presence of a metallic catalyst...
US-4,003,710 Chemical feeder for water softeners
A self-contained unit for regenerating chemicals used with water softeners and the like. The unit is quickly attachable to and detachable from a water treatment...
US-4,003,709 Visual spoilage indicator for food containers
A solution for detecting concentrations of CO.sub.2 is sealed within a pouch located on or in a food container and visually observable from outside the...
US-4,003,708 Automatic photometric analyzer
An automatic photometric analyzer is disclosed using an automatic exchanger holding a sample solution. A recorder, a photometer, an injector for the sample...
US-4,003,707 Method and arrangement for measuring the concentration of gases
A method and an arrangement for measuring the concentration of gases in a mple includes the generation of a monochromatic light beam having predetermined color...
US-4,003,706 Method and reagents for the detection, estimation and quantitative determination of nitrate ions
Reagent and method for the detection, estimation and quantitative determiion of nitrate ions by mixing the reagents with aqueous nitrate samples, the intensity...
US-4,003,705 Analysis apparatus and method of measuring rate of change of electrolyte pH
Apparatus for measuring carbon dioxide and chloride in blood. A blood sample is reacted with acid in a sample container to release carbon dioxide, a portion of...
US-4,003,704 Medical examination table cover system having sterilizing means therefor
A medical examination table cover system wherein an endless web of sanitary cover material having a length several times the unit length of the table to be...
US-4,003,703 Method of sterilizing using a rotary disk-ball valve control system
A plurality of valves, including ball valves, regulates the flow of a sterilizing agent to and from a sterilizing chamber. Rotary means connected to a ball valve...
US-4,003,702 Method for carbonizing cellulose materials
Cellulosic material present in admixture with or as impurities in wool or other non-carbonizable fibres is carbonized by treating the fibre substrate, which may...
US-4,003,701 Graft copolymerization processes
A peroxidic-initiated graft copolymerization process wherein a water-insoluble thiocarbonated or thiocarbamated substrate is exposed to high-frequency microwave...
US-4,003,700 Cleaning fabrics
In a process for removing stains from fabrics by washing in an aqueous medium containing a peroxygen compound and an acylamide activator, extremely small amounts...
US-4,003,699 Oxidation hair dyes based upon tetraaminopyrimidine developers
An aqueous hair dye preparation comprising an oxidation dyestuff combination of a coupling component and a developer component consisting of a...
US-4,003,698 Product and method of printing carpet
A pattern is placed on a carpet backing by the use of sublimable dyes. Carpet facing is tufted into the backing. Subsequent heating causes the sublimable dye to...
US-4,003,697 Pressure furnace for treating products at high temperature and high pressure
A pressure furnace for treating products at high temperature and high pressure includes a high pressure chamber formed of a vertical high pressure cylinder with...
US-4,003,696 Flat self-supporting vault for tunnel type furnaces particularly for baking bricks and tiles
A flat self-supporting vault for tunnel-type furnaces, particularly for baking bricks and tiles is made of mutually interconnected beams bearing at both ends on...
US-4,003,695 Stove of blast furnace
A stove comprises a metal jacket the inner surface of which has a gunite coating with a layer of metal or a heat-resistant synthetic material sprayed on the...
US-4,003,694 Fuel delivery system for a hand-held liquid fuel cigarette lighter
The fuel delivery system disclosed herein operates to deliver gaseous fuel to the burner of a hand-held, liquid fueled cigarette lighter from a reservoir of...
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