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Magician Harry Houdini patented a "Diver's Suit" enabling the wearer to "quickly divest himself of the suit while being submerged and to safely escape and reach the surface of the water."
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| Number | Title | Issue Date |
| 5369156 | Blending bitumen into polyisobutylene-ethylene/vinyl acetate mixture A bitumenous binder useful in road surfacing is prepared via the blending of from 1-35% by weight of bitumen with a mixture of an ethylene/vinyl acetate copolymer and polyisobutylene having a number average molecular weight of greater than 400 to less tha... | 11/29/1994 |
| 5342596 | Process for making theta-1 zeolite Novel crystalline alumino silicates having the following composition in terms of the mole ratio of the oxides: 0.9&#b1;0.2 M2 n :Al2 O3 :x SiO2 :yH2 O wherein M is at least one cation having a valence n, x is a... | 08/30/1994 |
| 5221353 | Apparatus for depositing a ceramic coating on a filament A process for depositing a ceramic coating on a filament, which comprises heating the filament by passage of an electric current via at least two electrodes, and passing the heated filament through a deposition chamber containing gases which on contact wi... | 06/22/1993 |
| 5034507 | Process for preparing polyketones with boron containing anion source and a quinone A process for preparing linear, alternating interpolymers of olefins and carbon monoxide (polyketones) comprises reacting carbon monoxide with one or more olefins in the presence of a catalyst prepared by reacting a source of palladium, with a bidentante ... | 07/23/1991 |
| 5014790 | Method and apparatus for fire control Method and apparatus for fire control comprising the use of a gas-liquid twin fluid spray nozzle. In one embodiment the spray nozzle comprises a mixing chamber having a gas inlet and one or more outlets at opposite ends, two or more liquid inlets between ... | 05/14/1991 |
| 4945249 | Remote sensing system Apparatus for detecting an anomaly, (e.g. the presence of a hydrocarbon seep) at or near a water or land surface comprises means for generating a beam, preferably a pulsed beam, of primary light radiation, preferably ultra-violet light, and directing the ... | 07/31/1990 |
| 4925456 | Process and apparatus for the production of synthesis gas A plurality of double pipe heat exchangers are used for primary reforming in a combined primary and secondary reforming process and apparatus.... | 05/15/1990 |
| 4919533 | Method for detecting diamonds in remote locations A method for detecting diamonds in locations which are not easily accessible comprises irradiating material suspected of containing diamonds by means adapted for access to the location, collecting the resultant scattered Raman radiation by means adapted f... | 04/24/1990 |
| 4915819 | Treatment of viscous crude oils Asphaltenes and/or wax and/or water are removed from crude oil by contacting the crude oil with an organic solvent to dissolve the crude oil and precipitate asphaltenes and/or wax and separate the oil and water. Solvent is then separated from the deasphal... | 04/10/1990 |
| 4874535 | Scale inhibitors A scale inhibiting composition comprises the combination of (a) a copolymer of an alkene, preferably a branched chain alkene, and an unsaturated dicarboxylic acid or anhydride, in acidic or neutralized form, and (b) an organic polyphosphonic acid or salt.... | 10/17/1989 |
| 4766264 | Aromatization of paraffins This invention relates to a process for converting a C2 -C6 paraffin feedstock to aromatics over a gallium loaded zeolite catalyst. The feature of the invention is to bring the ethane in the feed with a fresh or freshly regenerated c... | 08/23/1988 |
| 4665504 | Memory device containing electrically conducting substrate having deposited hereon a layer of amorphous or microcrystalline silicon-carbon alloy and a layer of amorphous or microcrystalline silicon-containing material A memory device comprises an electrically conducting substrate having deposited thereon a layer of an amorphous or microcrystalline silicon-carbon alloy and a layer of amorphous or microcrystalline silicon-containing material to form a junction. Preferabl... | 05/12/1987 |
| 4665267 | Chemical process and catalyst Alkanes are dehydrogenated to alkenes, for example n-butane to n-butenes by contact with a catalyst comprising a silicalite and a platinum group metal the catalyst being substantially free of alkali and alkaline earth metals. The selectivity of the produc... | 05/12/1987 |
| 4590294 | Proton-catalyzed reactions catalyzed by hydrogen ion-exchanged layered clays The invention relates to the use of hydrogen ion-exchanged layered clays in organic reactions which are catalyzed by protons. Such organic reactions include the production of ethers by the reaction of an alcohol with an olefin or an olefin oxide, the prod... | 05/20/1986 |
| 4557637 | Solids transfer system Apparatus for transferring solid particles to a receptacle comprises a loading tube (2) surrounded at or near its base by a gas supply chamber (7) terminating in a Coanda surface (9). A slot (10) between the outlet from the loading tube (2) and the beginn... | 12/10/1985 |
| 4507411 | Cross-linked polymer compositions and production thereof A composition suitable for forming surface coatings, laminates or composite materials formed by bringing together: (a) a first polymer containing carboxylic acid, anhydride or acid chloride groups, (b) an amine or alcohol or a derivative thereof which is a ter... | 03/26/1985 |
| 4497663 | Method of encapsulating a polluting liquid A method for forming a three-dimensional network containing encapsulated organic material comprises reacting a functionalized polymer and a complementary functional cross-linking agent in the presence of the organic material. The method may be used for re... | 02/05/1985 |
| 4495306 | Preparation of catalysts by the precipitation of a hydroxide or sulfide from an emulsion in the presence of carbonaceous solid A process for the preparation of hydrogenation catalysts by contacting a carbonaceous material with a water in oil emulsion containing a salt of a hydrogenating metal, converting said salt to a hydroxide or sulfide and subsequently removing the water.... | 01/22/1985 |
| 4492773 | Process for the production of C1 to C4 oxygenated hydrocarbons by the catalytic conversion of synthesis gas C1 to C4 oxygenated hydrocarbons are produced by contacting synthesis gas at a temperature in the range 150° C. to 450° C. and a pressure in the range of 1 to 700 bars with a catalyst comprising a supported mixture of a rhodium com... | 01/08/1985 |
| 4492772 | Process for the production of oxygenated hydrocarbons by the catalytic conversion of synthesis gas An oxygenated hydrocarbon product comprising methanol and ethanol is produced by hydrogenating carbon monoxide at a temperature in the range 150° to 450° C. and a pressure in the range 1 to 700 bars in the presence as catalyst of a supported mixture of ... | 01/08/1985 |
| 4486167 | Flare having noise attenuation A high pressure gas flare using the Coanda effect has a noise attenuator surrounding the high pressure gas outlet slot. The noise attenuator is in the form of one or more upwardly diverging frusto-conical shields which may be spaced apart or closed with t... | 12/04/1984 |
| 4481130 | Method for demulsifying water-in-oil emulsions A method for continuously demulsifying a viscous, stable water-in-oil emulsion, which emulsion comprises from 50 to 80% water as the dispersed phase, comprises passing the emulsion and a chemical demulsifier through a mixing device having at least one flo... | 11/06/1984 |
| 4478806 | Crystalline aluminosilicates The invention relates to a method for preparing a crystalline aluminosilicate having a high silica to alumina molar ratio and an X-ray diffraction pattern substantially the same as that of ZSM-5 zeolite which method comprises mixing a source of silica, a ... | 10/23/1984 |
| 4464110 | Flare using a Coanda director surface A high pressure gas flare using the Coanda effect and having an internal passageway for low pressure fuel gas has a high pressure gas flow modifier on the outer surface of the Coanda body. The flow modifier may be in the form of one or more projections do... | 08/07/1984 |
| 4459155 | Method of producing corrosion inhibitors A method of producing a corrosion inhibitor formed of particles of an inorganic oxide having corrosion inhibiting anions chemically bound to the particles comprising contacting the inorganic oxide with an aqueous solution containing corrosion inhibiting a... | 07/10/1984 |
| 4455969 | Fluidized bed combustor A fluidized bed combustor has its fluidizing chamber in thermal contact with a surrounding heat exchanger. A lined base portion of the chamber capable of containing the bulk of bed material while the bed is slumped is adapted to retard heat transfer from ... | 06/26/1984 |
| 4452907 | Process for the production of crystalline aluminosilicates and their use as catalysts and catalyst supports Crystalline aluminosilicates having a silica to alumina molar ratio greater than 12 are produced by mixing a source of silica, a source of alumina, a source of alkali metal, water and a source of ammonium ions, e.g. ammonia or an ammonium salt, in the abs... | 06/05/1984 |
| 4448623 | Wetted filament dispenser and winding therewith A dispenser of continuous resin wetted filaments has a container of a size suitable for hand holding, the container holding a supply of resin. A drum or reel of dry filament is positioned either inside or outside the container. The filament passes over fi... | 05/15/1984 |
| 4444652 | Upgrading gasoline derived from synthesis gas The present invention relates to a process for upgrading low grade gasoline made from synthesis gas, especially the gasoline made from coal-based processes. The process comprises contacting in the vapour phase the low-grade gasoline either alone or admixe... | 04/24/1984 |
| 4440958 | Method for promoting the activity of cation-exchangeable layered clay and zeolite catalysts in proton-catalysed reactions The activity of cation-exchangeable layered clay or crystalline aluminosilicate catalyst in esterification, etherification, hydration, and cracking reactions is promoted by addition of a strong acid such as sulphuric acid, phosphoric acid, hydrochloric ac... | 04/03/1984 |
| 4437892 | Marine antifouling coating composition Compositions suitable for forming marine anti-fouling surface coatings comprise a polymer (e.g. maleinized polybutadiene) capable of cross-linking with amines, a hydrocarbyl polyisocyanate and a hydrocarbyl tin oxide or sulphide. The composition is prefer... | 03/20/1984 |
| 4435296 | Lubricating grease A light colored, open gear lubricating grease is formed from: a lubricating base oil a clay thickener a combination of a polymer, preferably atactic polypropylene, and a particulate mineral, preferably zinc oxide, as tactifier and filler, and and alkali metal borat... | 03/06/1984 |
| 4428839 | Separator for oil, gas and water A cyclone separator for separating a crude oil feed containing gas and water into (i) gas, (ii) liquid oil and (iii) water comprises a vessel having an inlet disposed so that feed introduced under a pressure gradient is caused to form a downwardly flowing... | 01/31/1984 |
| 4426269 | Method of stabilizing electrodes coated with mixed oxide electrocatalysts during use in electrochemical cells An electrochemical cell with an electrode having deposited thereon an electrocatalyst which is a mixed oxide of nickel-molydenum, nickel-tungsten, cobalt-molydenum or cobalt-tungsten and containing an aqueous alkaline electrolyte comprising an aqueous sol... | 01/17/1984 |
| 4420276 | Bearing assembly for a tethered buoyant platform A tether assembly (2) for a tethered buoyant platform for installation in a shaft (8) of a leg (10) of the tethered buoyant platform comproses a cable tether (4) having a terminal at one end for connecting to an anchor post (12) on the sea bed and having ... | 12/13/1983 |
| 4419137 | Corrosion inhibitors, method of producing and protective coatings containing same Corrosion inhibiting particles comprise an inorganic oxide which is silica or alumina, having corrosion inhibiting cations, particularly calcium or zinc cations, chemically bound to the particles. They may be prepared by contacting a silica or alumina con... | 12/06/1983 |
| 4413958 | Apparatus for installation in wells An electric pump assembly (1) for lifting fluids in wells comprises a plurality of electric pumps (20) and (24) located at axially spaced apart locations in the well each pump having an axial aperture (21) to permit wire line operations to be conducted in... | 11/08/1983 |
| 4407728 | Method for producing crystalline aluminosilicates and their use as catalysts and catalyst supports The invention relates to a method for preparing a crystalline aluminosilicate having a high silica to alumina molar ratio and an X-ray diffraction pattern substantially the same as that of ZSM-5 zeolite which method comprises mixing a source of silica, a ... | 10/04/1983 |
| 4405503 | Production of zeolite agglomerates Strengthened zeolite molecular sieve agglomerates are prepared by treating the agglomerates with an aqueous solution of a water soluble silicon compound and subsequently with an aqueous solution of a mineral acid of sufficient strength to decationize the ... | 09/20/1983 |
| 4405493 | Corrosion inhibitors, method of producing them and protective coatings containing them Corrosion inhibiting particles comprise an inorganic oxide, particularly alumina, having corrosion inhibiting anions, particularly phosphate, chromate or benzoate anions, chemically bound to them. They may be prepared by contacting an oxide containing hyd... | 09/20/1983 |
