Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 4076796 | Carrying out endothermic processes in fast fluidized reactor with conventionally fluidized holding reactor Endothermic processes are carried out in a fluidized-bed reactor which is connected to a holding reactor, solids being recirculated between the two reactors. The primary fluidized-bed reactor uses a fast-fluidized bed system in which the solids concentrat... | 02/28/1978 |
| 4065544 | Finely divided metal oxides and sintered objects therefrom Finely-divided metal oxides are prepared by the steps of (a) contacting a compound of a metal with a carbohydrate material to obtain an intimate mixture thereof, (b) igniting this mixture to oxidize the same and to insure conversion of substantially all o... | 12/27/1977 |
| 4055509 | Method for increasing the water dispersibility of alpha alumina monohydrate A method for improving the water-dispersibility of alpha alumina monohydrate containing up to about 86 weight percent Al2 O3 wherein the method comprises mixing with the alpha alumina monohydrate from about 0.1 to about 50 weight per... | 10/25/1977 |
| 4053579 | Method for manufacture of sintered alumina from ammonium aluminum carbonate hydroxide Aluminum carbonate hydroxide ammonium, a new compound, is produced by causing a solution of ammonium hydrogencarbonate to be reacted upon by a soluble aluminum salt. -Alumina is obtained by thermal decomposition of this ammonium aluminum carbonate ... | 10/11/1977 |
| 4053375 | Process for recovery of alumina-cryolite waste in aluminum production Alumina-cryolite waste from aluminum pot lines is subjected to oxidation in a fluidized bed reactor to remove carbon and organic contamination. Agglomeration of the alumina-cryolite product occurs in the fluidized bed and a pellet product suitable for ret... | 10/11/1977 |
| 4048290 | Process for the production of finely-divided metal and metalloid oxides There is provided a process and apparatus for the production of finely-divided metal and metalloid oxides by flame hydrolysis of corresponding metal and metalloid halides whereby burner fouling is minimized and burner fabrication is facilitated by transpi... | 09/13/1977 |
| 4045234 | Process for producing high density sintered alumina Sintered alumina of low porosity and Na content is made from calcined alumina of 2-6 micron average particle size and about 0.2-1% by weight Na2 O content by treating the calcined alumina with a synergistically acting combination of a magnesium... | 08/30/1977 |
| 4032623 | Hydroperoxy group-containing aluminum compound and method of making the same A hydroperoxy-group-containing aluminum compound is prepared by a process which comprises: Contacting and reacting, at room temperature or below, and in the substantial absence of water, (a) a reactive metal comprising aluminum of a purity of at least 99.... | 06/28/1977 |
| 4019914 | Method of manufacturing -alumina A method of manufacturing -alumina with a degree of purity of at least 98% which has a high sintering activity. The -alumina contains at least 98% -Al2 O3 and not more than 0.1% Na (calculated as Na2 O... | 04/26/1977 |
| 4018867 | Process for the disposal of aluminum containing waste materials This invention relates to the disposal of aluminum hydrocarbyl, aluminum hydrocarbyloxy, aluminum halide or aluminum hydride waste materials. Such materials are used as catalysts and may be present alone as well as in combination with similar compounds of... | 04/19/1977 |
| 4013782 | Process for the oxidation of a metal halidein the vapor phase Apparatus and process suitable for oxidising a metal halide in the vapor phase wherein at least part of the wall of the reaction zone is formed from crimped annular plates separated by uncrimped annular plates to form orifices through which at least one o... | 03/22/1977 |
| 4012339 | Method for improving physical properties of catalyst materials through the incorporation of fines therein and catalyst prepared by the method The use of calcined fines in the preparation of catalyst materials from inorganic oxide gels results in improved physical properties when a significant portion of said fines are smaller than about 40 microns.... | 03/15/1977 |
| 4012201 | Reactor Apparatus suitable for oxidizing a metal halide in the vapor phase wherein at least part of the wall of the reaction zone is formed from crimped annular plates separated by uncrimped annular plates to form orifices through which at least one of the reacta... | 03/15/1977 |
| 4012337 | High surface area alpha aluminas Alpha alumina, as a new composition of matter, particularly suitable as a support for catalyst compositions (especially reforming catalysts), having surface areas in excess of 75 m2 /g (B.E.T), ranging preferably from 100 m2 /g to 60... | 03/15/1977 |
| 3996333 | Method for dehydrating ores A method for dehydrating alunite ore prior to further processing to recover metals therefrom, comprising exposing the ore in particulate form to burning coal as the heat supply in a fluidized bed fluidized with an oxygen containing gas. The invention is i... | 12/07/1976 |
| 3993595 | Activated aluminum and method of preparation thereof Reactive aluminum consisting essentially of aluminum having a purity by weight of at least about 99.99% permeated by a liquid metal selected from mercury, gallium and gallium/indium alloys. The permeation can be accomplished at room temperature and atmosp... | 11/23/1976 |
| 3983197 | Preparation of alumina extrudates A method of preparing alumina extrudate particles. Finely divided alumina is admixed with from about 2 to about 10 wt. % alumina hydrosol and sufficient water added thereto to produce a dough extrudable at less than about 150 psig. The mixture is then ext... | 09/28/1976 |
| 3975231 | Method for producing concentrated alumina slurries A method for producing concentrated alumina slurries containing from about 14 to about 20 weight percent Al2 O3 by forming a solvent-aqueous alumina mixture and evaporating solent-aqueous vapor from said mixture to produce said conce... | 08/17/1976 |
| 3968225 | Preparation of spheroidal alumina particles A process for preparing aluminium oxide beads from alumina hydrogel, which comprises polymerizing, in a hot and substantially water-immiscible fluid, an aqueous mixture comprising alumina hydrogel and alumina hydrosol and a water-soluble monomer whose unc... | 07/06/1976 |
| 3966996 | Process for preparing spheroidal alumina particles A process for preparing aluminum oxide beads from alumina hydrogel, comprising polymerizing in a hot and substantially water-immiscible fluid, an aqueous mixture which contains alumina hydrogel and a water soluble monomer whose uncross-linked polymer is w... | 06/29/1976 |
| 3962407 | Process of preventing corrosion of a metal walled system containing molten fluoride A method of manufacturing an airtight-sealed system comprising one or more molten alkalifluorides in the operating condition. The corrosive action of oxygen present in the melt is prevented by adding metallic aluminium and/or zinc to the melt.... | 06/08/1976 |
| 3954945 | Process for the production of finely divided oxides Process for the production of a finely divided oxide of a metal or silicon by the hydrolytic conversion of a volatile corresponding metal halide or silicon halide in a flame, said process comprising feeding the volatile halide in a mixture with a combusti... | 05/04/1976 |
| 3950507 | Method for producing granulated porous corundum The invention relates to a method for producing granulated porous corundum having a homogeneous porous structure with a total pore volume of 0.3 to 1.0 cm3 /g and predominant pore size of 5000 to 30000 A. The method comprises subjecting the gra... | 04/13/1976 |
| 3950162 | Reduction to manganese metal using metal transporting compounds This invention provides a process for obtaining substantially pure manganese metal by the reduction of a manganese oxide or a manganese halide by reaction with a subhalide of a transport metal. The transport metal can be aluminum, silicon, or titanium. In... | 04/13/1976 |
| 3950478 | Process for producing alumina fiber Alumina fibre is prepared by spinning a solution containing an aluminium compound and an organic polymer, removing solvent and contacting the fibre with ammonia or an amine before conversion of the fibre to alumina.... | 04/13/1976 |
| 3947562 | Production of a form of alumina whiskers The invention relates to the production of alumina whiskers from alumina-bearing material by preparing an intimate mixture of such material and carbon and then passing a stream of gaseous aluminium trihalide and an inert carrier gas thereover in a first z... | 03/30/1976 |
| 3944658 | Transparent activated nonparticulate alumina and method of preparing same A transparent, activated, nonparticulate alumina with a total porosity of about 63% which consists of a unique pore morphology and size distribution and is thermally stable up to about 1,200°C. at which temperature it can be nondestructively converted to... | 03/16/1976 |
| 3943324 | Apparatus for forming refractory tubing Refractory tubings approaching theoretical density, either in polycrystalline or single crystal form, are made by moving a preformed tubing of a refractory material and a heated zone relative to each other, the heating zone providing sufficient heat to me... | 03/09/1976 |
| 3943070 | Manufacture of spheroidal alumina particles A method of manufacturing high surface area spheroidal alumina particles. A finely divided eta alumina is admixed and suspended in an alumina hydrosol and the mixture thereafter converted to spheroidal particles comprising eta and gamma alumina by the oil... | 03/09/1976 |
| 3941719 | Transparent activated nonparticulate alumina and method of preparing same A transparent, activated, nonparticulate alumina with a total porosity of about 63% which consists of a unique pore morphology and size distribution and is thermally stable up to about 1200°C. at which temperature it can be nondestructively converted to ... | 03/02/1976 |
| 3941707 | Method of producing an insulating material for coating cathode heater elements A method of producing an aluminum oxide and tungstate powder for insulating cathode heaters includes mixing a finely divided aluminum oxide powder with ammonium tungstate, rinsing out excess ammonium tungstate, drying the mixture and heating in a nitrogen... | 03/02/1976 |
| 3935297 | Carbo chlorination of AlPO4 A process of carbo-chlorination of AlPO4 wherein AlPO4 or AlPO4 -containing material is introduced into a reactor along with chlorinating agents and a source of carbon. The reactor is heated to approximately 600° to 1200Â... | 01/27/1976 |
