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Vladimir Zworykin, television pioneer ; Talking about an invention in which he played a critical role.
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| Number | Title | Issue Date |
| 4435373 | Fibre packs for ammonia oxidation This invention is concerned with the application of fibrous products from platinum group metal or platinum group metal alloys to the oxidation of ammonia in the manufacture, for example, of nitric acid and to the production of hydrogen cyanide in the Andr... | 03/06/1984 |
| 4418215 | Catalysts This invention is concerned with catalysis. More especially, the invention relates to catalytic metal or alloy or both in a form having enhanced catalytic properties, and to the use thereof in catalytic processes. In more detail a catalyst or catalyst sub... | 11/29/1983 |
| 4414071 | Electrode An electrode for use as a cathode in a chloralkali cell or a water electrolysis cell comprises an electrically-conductive matrix having a very low metal loading surface electrocatalytic noble metal-containing deposit which may be prepared by a displacemen... | 11/08/1983 |
| 4399199 | Protective layer This invention relates to means for protecting substrates and in particular Ni- and Co-base superalloys from high temperatures, for example temperatures such as typically occur in gas turbine engines. In more detail an article suitable for use all elevated tem... | 08/16/1983 |
| 4392292 | Forming process A method and apparatus for production of couplings for joining together sections of metal tubing, the couplings being of the type comprising sockets having e.g. an annular recess carrying a filler metal, whereby the filler metal comprises a plastic compos... | 07/12/1983 |
| 4389983 | Prechamber catalytic ignition system This invention relates to internal combustion engines and particularly to igniting the fuel/air mixture of the engine. In more detail a catalytic engine comprises one or more cylinders, each cylinder having an associated piston and an entry port disposed ... | 06/28/1983 |
| 4384549 | Boilers This invention relates to boilers more particularly to shell boilers and improvements in their operation. In more detail this specification describes and claims a boiler comprising a housing, an inlet for leading a fuel or a fuel/gas mixture into a combus... | 05/24/1983 |
| 4375550 | Hydrogenation of halogen-substituted aromatic nitro compounds This invention relates to the hydrogenation of halogen-substituted aromatic nitro compounds and in particular provides a novel catalyst for use in such processes. In more detail a catalyst suitable for use in the hydrogenation of halogen-substituted aroma... | 03/01/1983 |
| 4375426 | Catalytic fibre packs for ammonia oxidation This invention is concerned with the application of fibrous products from platinum group metal or platinum group metal alloys to the oxidation of ammonia in the manufacture, for example, of nitric acid and to the production of hydrogen cyanide in the Andr... | 03/01/1983 |
| 4364727 | Heat treatment of foodstuff A method of heat treatment of foodstuff in which a stream of oxygen-containing gas and fuel is passed over one or more catalysts to raise the temperature of the gas stream and the resulting hot, gas stream is contacted with foodstuff in which a proportion... | 12/21/1982 |
| 4364173 | Method of making an electrical contact This invention relates to electrical contacts. The invention is specifically directed to electrical contacts comprising a base and a contact element having a contact surface and one method of making the contact includes the following steps: 1. forming a b... | 12/21/1982 |
| 4362655 | Catalyst or catalyst substrate This invention is concerned with catalysis. More especially, the invention relates to catalytic metal or alloy or both in a form having enhanced catalytic properties, and to the use thereof in catalytic processes. In more detail a catalyst or catalyst sub... | 12/07/1982 |
| 4351887 | Foldable metallic gauze pack and segment This invention relates to a laminated article, particularly to such an article comprising a gauze pack containing two or more gauzes such as are typically used as catalyst catchment or getter means in nitric acid production plants. Specifically, this inve... | 09/28/1982 |
| 4342606 | Soldering composition This invention relates to joining metallic parts by soldering and in particular to a soldering composition. A soldering composition in accordance with the present invention is solid at ambient temperatures and comprises a particulate soldering alloy or me... | 08/03/1982 |
| 4329299 | Composition of matter containing platinum Compositions of matter suitable for the treatment of cancer comprise platinum co-ordination compounds having the general formula ##STR1## in which A is a straight-chain, branched chain or cyclic aliphatic amine, X and Y are halogen and the Z groups a... | 05/11/1982 |
| 4306089 | Process for the production of formaldehyde This invention relates to the production of formaldehyde and to catalysts which may be used therefore. In more detail the invention relates to a process for the production of formaldehyde from methanol includes the passage, at an elevated temperature, of ... | 12/15/1981 |
| 4304808 | Printing ink The invention relates to a printing ink formulation for producing a transferable layer comprising a pigmentary material or a material possessing predetermined electrical properties, a hot melt adhesive, a solid phase plasticizer and a solvent.... | 12/08/1981 |
| 4301211 | Brazing rod comprising an alloy core coated with a layer of elastomer containing a flux This invention relates to brazing materials. In particular it is concerned with a novel combination of brazing alloy and flux. Specifically, a brazing material in accordance with the invention comprises a brazing alloy having a coating comprising a brazin... | 11/17/1981 |
| 4299192 | Catalytic combustion A boiler suitable for catalytic combustion of fuel comprises a pilot burner and at least two sections comprising a fuel injector, a catalytic combustor and a heat exchanger. The catalytic combustor may comprise a monolith support for the catalyst. Combust... | 11/10/1981 |
| 4297331 | Catalysis This invention relates to catalysts and more particularly to the catalyst decomposition of one or more oxides of nitrogen present in a gas stream by contacting the gas with a catalyst comprising a compound of the formula Ax By, where... | 10/27/1981 |
| 4296086 | Monitoring process and apparatus In a process and apparatus for maintaining the efficiency of ammonia oxidation in a nitric acid plant, the ammonia content of the reactant mixture and the nitrogen oxide content of the reaction product are determined by spectrometry, any nitric oxide in t... | 10/20/1981 |
| 4289737 | Catalytic reactions This specification describes a process and a catalyst for the removal of a gaseous carbon compound pollutant in the form of a gas containing the same by oxidation. The gas is passed through a catalyst bed in which the catalyst comprises a porous refractor... | 09/15/1981 |
| 4287856 | Engines This invention relates to Rankine cycle engines and to improved methods of operation whereby catalytic oxidation of a major proportion of the fuel takes place in the boiler section of the engine. In order to improve the operation of a Rankine engine, the engin... | 09/08/1981 |
| 4285994 | Process for production of free flowing dust-free pigments This invetion relates to novel pigement compositions and processes of making the same. The pigments of the present invention are free-flowing and a process for their production comprises a process for the production of a free-flowing pigment composition c... | 08/25/1981 |
| 4285665 | Engines This invention relates to Stirling engines and to improved methods of operation whereby catalytic oxidation of a major proportion of the fuel takes place in the external combustor. An external combustion unit of a Stirling engine comprises a catalytic com... | 08/25/1981 |
| 4282507 | Measurement of temperature This invention relates to devices for measuring temperature; more particularly it relates to temperature sensing devices operating at high temperature. It is an object of this invention to overcome deterioration of temperature sensitive elements and accor... | 08/04/1981 |
| 4274877 | Metal powders This invention relates to metal powders. In particular, the invention provides a novel metal-refractory composite powder which will withstand high temperatures, and means for its production. The metals for which the invention will have special application... | 06/23/1981 |
| 4263681 | Coated metallic bone joint prosthesis resistant to synovial fluid corrosion A metallic bone joint prosthesis having articulating surfaces which include an outer layer or coating comprising platinum, ruthenium, iridium or alloy thereof.... | 04/28/1981 |
| 4261742 | Platinum group metal-containing alloys This invention relates to platinum group metal-containing alloys and to uses of such alloys. In particular, the invention relates to platinum group metal-containing superalloys and to their uses. In particular, superalloys according to the present inventi... | 04/14/1981 |
| 4260817 | Process for the purification of terephthalic acid This invention relates to catalysis for example, the catalytic hydrogenation of impurities in terephthalic acid to yield terephthalic acid of sufficient purity for use in the production of polyester fibres. In more detail, the invention comprises the step... | 04/07/1981 |
| 4257223 | Engines This invention relates to an apparatus and a process for improving the efficiency which may be obtained in the operation of power generation systems which utilize the combustion of fuel.... | 03/24/1981 |
| 4256711 | Catalysis This invention relates to catalysts and more particularly to the catalyst decomposition of one or more oxides of nitrogen present in a gas stream by contacting the gas with a catalyst comprising a compound of the formula Ax By, where... | 03/17/1981 |
| 4254739 | Power sources This invention relates to power sources which may be used underwater and to such sources in which catalytic combustion of the fuel takes place. The power source according to the invention includes two or more catalytic combustors each comprising a fuel injecto... | 03/10/1981 |
| 4252877 | Battery electrode This invention relates to batteries and to materials for use therein, and in particular to batteries of the type which utilize silver positive electrodes and alkaline electrolytes. Specifically a battery electrode comprises silver (II) oxide and carries at ... | 02/24/1981 |
| 4250189 | Compositions containing platinum This invention relates to platinum co-ordination compounds, to pharmaceutical compositions containing them. Examples of compositions falling within the scope of the present invention include: the R groups may be the same or different and are selected from H, ... | 02/10/1981 |
| 4246322 | Platinum alloy jewellery wire This invention relates to fabricating wire and particularly wire at least the surface of which consists of platinum or a platinum-based alloy for use in the jewellery industry. The wire according to the invention comprises a first portion at least the out... | 01/20/1981 |
| 4246083 | Removal of surface material The removal of a metal or alloy from the surface of a body, in particular turbine blades, by forming close to as in contact with the surface a one or more other metal or metals which will alloy with the metal or alloy to be removed. By forming the one or ... | 01/20/1981 |
| 4244736 | Yttrium containing alloys This invention relates to the production of oxidation resistant alloys containing iron, chromium, aluminium and yttrium and/or other rare earth metal or metals in which yttrium and/or other rare earth metal or metals is added to a melt in the form of a ma... | 01/13/1981 |
| 4237032 | Catalysts A supported catalyst suitable for catalyzing oxidation and reduction processes in a gas and capable of removing oxygen from a gas containing an excess of oxygen and restoring at least a part of such removed oxygen to a gas having an oxygen deficiency, com... | 12/02/1980 |
| 4235868 | Staining with nitrido-bridged osmium or ruthenium compounds This invention relates to the staining of cells, and in particular provides a novel reagent for the detection, for example, of DNA (deoxyribonucleic acid) and polysaccharides by electron microscopy. A reagent for staining cells in accordance with the present i... | 11/25/1980 |
