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| Patent # | Description |
|---|---|
| US-4,255,416 |
Skin firming composition and method A skin firming composition comprising an aqueous solution of sodium silicate/sodium oxide mixture in a weight percent of about 14% Na.sub.2 O to 33% SiO.sub.2, a... |
| US-4,255,415 |
Polyvinyl alcohol ophthalmic gel An ophthalmic gel having an improved intensity and duration of the biological response is provided by utilizing a polyvinyl alcohol-sodium borate gel buffered to... |
| US-4,255,414 |
Edible or oral compositions Edible or oral compositions which limit the promotion of tooth decay and comprise lactate dehydrogenase and sucrose-inverting enzymes. Included among such... |
| US-4,255,413 |
Gelatin capsule dosage unit containing triamterene A gelatin capsule unit dosage form containing triamterene, 2,4,7-triamino-6-phenylpteridine, which results in rapid dissolution of the active ingredient. The... |
| US-4,255,412 |
T.sub.3 Uptake test employing a precipitated nylon separating agent An improved T.sub.3 uptake test procedure characterized in that the separating agent employed therein comprises precipitated nylon 6, precipitated nylon 66, or... |
| US-4,255,411 |
Process of determining an immunogenic substance by competition with an
antibody in a microcapsule A process for determining an immunogenic substance present in a sample wherein the immunogenic substance in the sample competes with a distinguishable analog of... |
| US-4,255,410 |
Contact method for multiphase processing A processing method is provided in which flows of separate fluid streams, at least one of which is liquid, are intimately contacted and subjected to centrifugal... |
| US-4,255,409 |
Process for producing acicular goethite An alkali hydroxide is added to an aqueous solution of ferrous salt to form a precipitate and a part of the solution is separated to control a ratio of an anion... |
| US-4,255,408 |
Process for removing sulfur and sulfur compounds from the effluent of
industrial processes Sulfur dioxide in the stack gas from an industrial process is converted to elemental sulfur in a Claus reactor at low temperature to produce sulfur fume. The... |
| US-4,255,407 |
Method for the regeneration of pickling acids A method for the regeneration of spent pickling acids. Said acid is mixed with such a minor quantity of a stronger acid that the losses of said stronger acid are... |
| US-4,255,406 |
Treatment of ammonia synthesis purge gas A process is disclosed for recovering hydrogen from an ammonia synthesis plant comprising (a) cooling a high pressure stream of said purge gas to a sub-ambient ... |
| US-4,255,405 |
Naphthoquinone anti-psoriatic agents The 2,3-diesters of 6-substituted-2,3-dihydroxy-1,4-naphthoquinones exhibit useful anti-psoriatic activity in mammals. |
| US-4,255,404 |
Isotopic separation Method and apparatus for separating isotopes in an isotopic mixture of atoms or molecules by increasing the mass differential among isotopic species. The mixture... |
| US-4,255,403 |
Magnetically stabilized fluid cross-flow contactor having support means
and process for using the same Apparatus for effecting fluid-solids contacting wherein a bed stationary downward moving ferromagnetic particles are contacted within a contacting chamber with a... |
| US-4,255,402 |
Sulphur dioxide gas scrubbing process Sulfur dioxide is removed from a gas stream by contacting the gas with an aqueous solution containing sulfite anion, magnesium cation, and one or more other... |
| US-4,255,401 |
Treatment of exhaust gas containing sulfur oxides and nitrogen oxides A method of treating an exhaust gas at a high temperature containing nitrogen oxides and sulfur oxides by bringing the exhaust gas into contact with an absorbing... |
| US-4,255,400 |
Process for oxidizing oxides of sulfur This invention relates to a process for catalytic oxidation of oxides of sulfur and also relates to oxidation of oxides of sulfur oxides and oxides of nitrogen. |
| US-4,255,399 |
Process for the recovery of magnesium oxide of high purity The present invention relates to a process for the recovery of magnesium oxide of high purity in which the magnesium oxide is obtained by thermal decomposition... |
| US-4,255,398 |
Novel ettringite whiskers, production and uses This disclosure deals with ettringite whiskers, methods of synthesizing such whiskers and ettringite whisker composites. The ettringite whiskers, having a new... |
| US-4,255,397 |
Process for removing tungsten from cemented tungsten carbide In a process for recovering tungsten from cemented tungsten carbide, the tungsten carbide is oxidized to form an oxidized product and the oxidized product is... |
| US-4,255,396 |
Process for separating molybdenum values from tungsten values The efficiency of an extraction process using a dialkyl phosphoric acid as an active extractant for separating extractable soluble metallic values from an... |
| US-4,255,395 |
Solvent-extraction process for recovery and separation of metal values Improved solvent-extractants for the selective recovery of metal values from acidic aqueous media comprise solutions of 5-alkylbenzotriazoles in water-immiscible... |
| US-4,255,394 |
Process for the separating of rare earths A process is provided for separating, by solvent extraction, metal compounds contained in aqueous solutions. The aqueous solution is contacted with an organic... |
| US-4,255,393 |
Method of precipitating ADU A process is disclosed for improving the quality of an ammonium diuranate (ADU) precipitate. Ammonium hydroxide is added to a solution of uranyl fluoride in the... |
| US-4,255,392 |
Method of separating iron from uranium In uranium recovery by solvent extraction processes, uranium is separated from iron in an organic extract by stripping the extract with a dilute aqueous solution... |
| US-4,255,391 |
Apparatus for introducing and mixing a liquid in an essentially liquid
medium Apparatus for introducing and mixing a first liquid with a second liquid in which use is made of a spinning disc for throwing droplets of the first liquid... |
| US-4,255,390 |
Corrugated interface zone refiner The present invention relates to a zone refiner and the process of operating same wherein the freezing interface between the molten zone and the solid zone is... |
| US-4,255,389 |
Apparatus for rapid machine composting of sewage sludge A device for the rapid machine composting of sewage sludge including a rotary drum and having a feeding device extending longitudinally of the drum for feeding... |
| US-4,255,388 |
Apparatus for the production of H.sub.2 S from SO.sub.2 obtained from
flue gas This invention is an apparatus and a process for producing gaseous hydrogen sulfide in concentrated form from sulfur dioxide obtained from a dilute gas source by... |
| US-4,255,387 |
High pressure tubular reactor apparatus In a high pressure tubular reactor containing a plurality of tubular sections interconnected in series by means of connection devices, which reactor contains one... |
| US-4,255,386 |
Method and apparatus for destroying organic matter to facilitate trace
inorganic element analysis The apparatus of the present invention includes a quartz flask for containing 71% nitric acid and the organic matrix to be destroyed, a Soxhlet extractor... |
| US-4,255,385 |
Reagent and test kit for determining glycosylated hemoglobin A method, reagent and test kit for determining glycosylated hemoglobin in blood samples which involves liberating hemoglobins from red blood cells by chemical or... |
| US-4,255,384 |
Multilayered integral element for the chemical analysis of the blood An integral multilayered element for the chemical analysis of the blood comprising a combination of a porous spreading layer, a reagent layer, and a... |
| US-4,255,383 |
Multichamber UV purifying process Various embodiments of photoreactors are disclosed which have at least two irradiation chambers with a window therebetween. Ultraviolet radiation is introduced... |
| US-4,255,382 |
Thermoforming machine with automatically mechanically operated web
stripping element In differential pressure synthetic plastics thermoforming machinery, mold support assemblies mounted on a frame have relative movement between a mold open and a... |
| US-4,255,381 |
Textured surface polypropylene film An improved process of producing a predetermined textured surface on a polypropylene film is disclosed including the steps of extruding the polypropylene into a... |
| US-4,255,380 |
Method and apparatus for manufacturing signs or the like carrying
information which is different for different... A sign is fabricated which presents different messages depending on the angle of view. The fabricated sign has walls, different sides having parts of different... |
| US-4,255,379 |
Injection molding using screw for processing heat sensitive polymeric
materials An injection molding screw for use in processing heat sensitive polymeric materials and a process for plasticating such materials. The screw has an inlet end, a... |
| US-4,255,378 |
Bending plastic pipe A process and jig for field bending relatively large diameter plastic pipe, the jig being to guide the pipe at the point of tangency adjacent the bend after the... |
| US-4,255,377 |
Process for producing low tensile factor polyester yarn Yarns of balanced low tensile characteristics, especially low tensile factor (TE.sup.1/2) are produced in high speed spinning (e.g. greater than 10000 fpm)... |
| US-4,255,376 |
Solvent stretch process for preparing microporous films from precursor
films of controlled crystalline structure Microporous films having improved morphological structure are prepared by the "solvent stretch" method from an olefinic precursor film having a controlled... |
| US-4,255,375 |
Process for the preparation of dustless, readily-dispersible pigment or
dyestuff granules A process for producing a pigment or dyestuff composition in the form of dustless readily dispersible granules, which process comprises contacting, with... |
| US-4,255,374 |
Method of compacting powder A method of compacting powder comprising interweldable particles into a solid body by using a shock wave. The shock wave has such an amplitude that interwelding... |
| US-4,255,373 |
Method for manufacturing highly refractory aluminum and magnesium oxide
ceramic items A mixture containing 65 to 72% by weight of aluminum oxide and 28 to 35% by weight of magnesium oxide is used to mold items which are then dried in vacuum at a... |
| US-4,255,372 |
Process for the production of foam materials on polyolefin basis A process for the production of polyolefin foam materials from crosslinked polyolefin foam scraps includes the steps of comminuting scraps of crosslinked... |
| US-4,255,371 |
Process for producing olefinic resin foams In a process for producing an olefinic resin foam which comprises the steps of forming a composition comprising an olefinic resin, a chemical blowing agent and a... |
| US-4,255,370 |
Method for manufacturing flat top foam buns A method and apparatus for making flat topped foamed buns (e.g. polyurethane) in a continuous foaming process. In accordance with the method, continuous thin... |
| US-4,255,369 |
Method of constructing a water ski foot support A method of constructing a water ski foot support results in a foot support with a tough vinyl backing and a soft cushion layer for comfort. First the backing is... |
| US-4,255,368 |
Structural foam molding process A process is disclosed for molding a foamed thermoplastic article characterized by a foamed core, a non-foamed exterior shell and a surface that reproducibly and... |
| US-4,255,367 |
Method for injection molding articles wherein additives are added in
selective portions A method for injection molding an article wherein additives are selectively introduced into the polymer melt downstream of an accumulation device and upstream of... |
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