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| Patent # | Description |
|---|---|
| US-4,678,652 |
Process for producing silica in fine powder form A process for producing silica in fine powder form, which comprises (a) adding at least one water-miscible alcohol selected from water-miscible monohydric and... |
| US-4,678,651 |
Process for preparation of faujasite zeolite A faujasite zeolite of a high purity and a desired silica/alumina ratio is prepared by crystallizing at an elevated temperature a reaction mixture comprising a... |
| US-4,678,650 |
Process for making an alkali phosphate solution An aqueous alkali phosphate solution is made. An organic phase is countercurrently mixed with an aqueous phase, the two phases being used in a volume ratio... |
| US-4,678,649 |
Process for the manufacture of monopotassium phosphate The present invention relates to a process for the manufacture of monopotassium phosphate of a high purity without utilizing organic solvents. According to the... |
| US-4,678,648 |
Method and apparatus for selective absorption of hydrogen sulphide from
gas streams containing hydrogen... The process selectively absorbs hydrogen sulphide from gases containing hydrogen sulphide and carbon dioxide by contacting the gas with an aqueous solution of... |
| US-4,678,647 |
Process for the recovery of gallium and germanium from coal fly ash A method is disclosed for recovering gallium and/or germanium from fly ash which comprises pelletizing the fly ash, treating the pellets in the presence of an... |
| US-4,678,646 |
Crystallizer A crystallizer comprising a mixing zone of an organic solvent containing ions of a metal extracted therein and an aqueous separating solution provided at the... |
| US-4,678,645 |
Conversion of LPG hydrocarbons to distillate fuels or lubes using
integration of LPG dehydrogenation and MOGDL A method and apparatus for producing distillate and/or lubes employs integrating catalytic (or thermal) dehydrogenation of paraffins with MOGDL. The process... |
| US-4,678,644 |
Apparatus and method for plasma treatment of resin material An apparatus for plasma treatment, capable of plasma-treating works of resin material by irradiating the surfaces of the works with a microwave discharge plasma... |
| US-4,678,643 |
Apparatus for catalytic cleaning of exhaust gases from a furnace system Apparatus for catalytic cleaning of the exhaust gases of furnace systems. For selectively eliminating nitrogen oxides in the exhaust gases of furnace systems,... |
| US-4,678,642 |
Ballistic separation of particles in a progressive flow reactor An apparatus for separating solid particulates from vapors comprising: a disengaging chamber, a progressive flow reactor, a means for effecting flow of a... |
| US-4,678,641 |
Isolation liquid layer retention device A new and improved isolation liquid layer retention device is provided, and comprises a porous member operatively associated with the interior of a container... |
| US-4,678,640 |
Indicator for detecting residual ethylene oxide An indicator for detecting residual ethylene oxide comprising a substrate impregnated with a solution of 4-(4-nitrobenzyl)pyridine and an envelope of the... |
| US-4,678,639 |
Apparatus for periodically monitoring the composition of a plurality of
samples An apparatus for periodically monitoring the composition of a plurality of samples includes a plurality of stationary flow-through sample vials through which... |
| US-4,678,638 |
Highly branched amino hexahydropyridines This invention relates to amino hexahydropyridines, and to the preparation and use thereof as corrosion inhibitors. |
| US-4,678,637 |
Copper-chromium-titanium-silicon alloy and application thereof The invention relates to a copper-chromium-titanium-silicon alloy which consists of 0.1 to 0.5% chromium, 0.05 to 0.5% titanium and 0.01 to 0.1% silicon, the... |
| US-4,678,636 |
Ductile brazing alloy containing reactive metals and precious metals Reactive metal-precious metal ductile alloys containing controlled amounts of Cu and Ni and mixtures thereof are suitable for brazing ceramics, other ... |
| US-4,678,635 |
Metallic joining material A metallic joining material which is provided particularly for the joining of parts of oxide-dispersion-hardened alloys. The metallic joining material in... |
| US-4,678,634 |
Method for the preparation of an anisotropic sintered permanent magnet Method of preparing an anisotropic permanent magnet by a powder metallurgical technique, in which, the step of orientation of anisotropically magnetic particles... |
| US-4,678,633 |
Process for forming a sintered layer on a substrate of iron-based
material A process for forming a sintered layer on a substrate of an iron-based material containing carbon. A sheet of powders of an alloy is prepared by mixing the... |
| US-4,678,632 |
Nuclear fuel assembly grid with predetermined grain orientation Zirconium alloy or Zircaloy grid straps in a fuel assembly grid have predetermined texture (or grain orientation) to offset stress relaxation which occurs upon... |
| US-4,678,631 |
Boiling water nuclear reactor fuel assembly A BWR fuel assembly having an array of spaced fuel rods, an outer tubular flow channel surrounding the fuel rods so as to direct flow of coolant/moderator fluid... |
| US-4,678,630 |
Spacer grid insert In nuclear reactor fuel assembly of the floating grid type, a spacer grid insert positioned concentrically about the central instrument guide tube prevents... |
| US-4,678,629 |
Nuclear fuel pellet containing gadolinia The present invention relates to a nuclear fuel pellet having two sections: a cylindrical inner pellet inside of an annular outer pellet. The inner pellet is... |
| US-4,678,628 |
Nuclear reactor control rod cluster for enthalpy rise compensation A control arrangement which provides enthalpy rise compensation upon reduction of core power includes control rodlets arranged in a cluster. Each control rod... |
| US-4,678,627 |
Debris-retaining trap for a fuel assembly A debris trap is mounted within a bottom nozzle of a fuel assembly so as to capture and retain debris carried by coolant flowing from the lower core plate... |
| US-4,678,626 |
Radiant vessel auxiliary cooling system In a modular liquid-metal pool breeder reactor, a radiant vessel auxiliary cooling system is disclosed for removing the residual heat resulting from the shutdown... |
| US-4,678,625 |
Method of straightening bowed irradiated fuel assemblies A method of straightening an irradiated fuel assembly having a plurality of control rod guide thimbles in which some of the guide thimbles are bowed and thus... |
| US-4,678,624 |
Method for loading fuel rods into a container A method and an apparatus for loading containers with individual fuel rods r fuel-rod sections of irradiated nuclear reactor fuel elements are disclosed. In order... |
| US-4,678,623 |
Modular head assembly and method of retrofitting existing nuclear
reactor facilities A modular head assembly (110) for a nuclear reactor pressure vessel includes a closure head (112) having control rod drive mechanisms (116) mounted therein and... |
| US-4,678,622 |
Transient monitor for nuclear reactor A monitored nuclear reactor parameter, such as a startup range neutron monitoring signal, is filtered at a filter having a preselected time constant and... |
| US-4,678,621 |
Method and means for monitoring the continuity of a fluid-filled network
of conduits and valves A fluid-filled network of connected conduits and valves receives an acoustic signal in the form of waves of predetermined frequency, amplitude, and time... |
| US-4,678,620 |
Hatch assembly A hatch assembly has an annular seat, a hatch cover and a plurality of latching units. Each latching unit has a slidably supported locking bolt movable generally... |
| US-4,678,619 |
Nuclear reactor In a water-cooled nuclear reactor for producing energy and having seed and blanket zones, which reactor is cooled by pressurized water and contains fissile... |
| US-4,678,618 |
Individual source positioning mechanism for a nuclear reactor fuel
assembly A secondary source positioning mechanism for a fuel assembly in a nuclear reactor locates an individual one of the secondary sources in a respective guide... |
| US-4,678,617 |
Method for converting an expended thermoplastic article into a useful
article Disclosed herein are a method and apparatus for converting an expended, hollow article of thermoplastic material, the article having opposite end walls, an... |
| US-4,678,616 |
Method of producing permanent magnet A method of producing a permanent magnet in which a material containing ferromagnetic powder is molded into a columnar or cylindrical molded body through... |
| US-4,678,615 |
Cooling stack for cooling towers A cooling stack for a cooling tower comprises at least one volumetric polymer block of a flow-around type. Each block is built up of polyhedron shaped cells. The... |
| US-4,678,614 |
Hydrocarbon-soluble organometallic complexes of magnesium and alkali
metals and method of producing same Stable alkali metal trialkylmagnesiate compositions are produced in high yields by simultaneously adding to a stirred dispersion of an alkali metal in an inert... |
| US-4,678,613 |
Process for the purification of triphenylmethane compounds Triphenylmethane dyes are obtained in a purified or more concentrated condition which eliminates the excess aromatic amines and by-products obtained during the... |
| US-4,678,612 |
Process for the production of arylsulfonyl halides There is disclosed a process for the production of arylsulfonyl halides, e.g., benzenesulfonyl chloride. The disclosed process adds a phosphorus-containing... |
| US-4,678,611 |
Novel dyestuff intermediates and use thereof for the manufacture of
novel azo dyes Dyestuff intermediates of the formula ##STR1## wherein R.sub.1 represents hydrogen, an alkyl radical of 1 to 8 carbon atoms or a phenyl radical, R.sub.2... |
| US-4,678,610 |
Siliconarylozides and siliconarylisocyanates A method is provided for making siliconarylacylazides by effecting reaction between an alkali metal azide and an organosilicon material such as an organosiloxane... |
| US-4,678,609 |
Process for the preparation of corticosteroid-21-phosphoric acids and
their salts and the... Steroid-21-phosphoric acids and pharmaceutically usable salts thereof of the formula III ##STR1## (in which U=H or CH.sub.3, V=H, OH, O or Hal; W=H or OH... |
| US-4,678,608 |
Chemiluminescent composition Compositions intended to be reacted with hydrogen peroxide to produce chemiluminescent light are disclosed wherein the compositions contain an oxalate, a... |
| US-4,678,607 |
Ethylene copolymers with enhanced fire resistant properties The addition of melamine/formaldehyde resins causes ethylene copolymers containing CaCO.sub.3 and alumina trihydrate to have lower swell on burning and has... |
| US-4,678,606 |
Liquid cleansing composition Aqueous liquid cleansing compositions comprise about 8% to 50% of primary surfactant selected from anionic, cationic, zwitterionic, amphoteric and semi-polar... |
| US-4,678,605 |
Cationic surfactants based on quaternary ammonium compounds and methods
of using same The invention relates to new cationic surfactants based on quaternary ammonium compounds corresponding to the general formula wherein R.sup.1 is a linear or branched... |
| US-4,678,604 |
2-(1'-hydroxyimino-ethyl)-1,3,3,4,4-pentamethylcyclopentene and
fragrance compositions containing same 2-(1'-Hydroxyimino-ethyl)-1,3,3,4,4-pentamethylcyclopentene is a novel odorant. A process for its manufacture, fragrance compositions containing same and methods... |
| US-4,678,603 |
Cologne composition A cologne composition such as eau de cologne which is characterized in comprising grape wine having a reduced acidity for example of pH 5.0 to 6.0. The grape... |
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