Bizarre Patents
Dining Table Having Integral Dishwasher
A space-saving dishwasher, which may be installed within a counter top or table, having a dish-carrying rack that is vertically shiftable through the open top of the dishwasher for facilitating loading and unloading of the dishes.
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| Number | Title | Issue Date |
| 5645712 | Method for increasing yield of liquid products in a delayed coking process In a delayed coking process the temperature of the liquid in the coke drum is increased by the addition of a heated non-coking hydrocarbon diluent. The heated non-coking diluent can be added to either a delayed coker furnace effluent prior to entering the... | 07/08/1997 |
| 5449732 | Solvent free oil soluble drag reducing polymer suspension A hydrocarbon soluble drag reducing suspension is described as well as a process for obtaining the same. Process is directed toward producing a drag reducing product which is easily transportable, non-hazardous, easily handled and while providing a signif... | 09/12/1995 |
| 5405916 | Process for the preparation of polyolefin/acrylonitrile copolymers and polyolefin/acrylic acid or substituted acrylic acid/acrylonitrile terpolymers Terpolymers of polyolefin/acrylic acid or substituted acrylic acid/acrylonitrile are prepared by combining a polyolefin/acrylic acid or substituted acrylic acid copolymer with at least one dinitrile to form a mixture and reacting the mixture at a temperat... | 04/11/1995 |
| 5284924 | Process for the preparation of polyolefin/acrylonitrile coploymers and polyolefin/acrylic acid or substituted acrylic acid/acrylonitrile terpolymers Terpolymers of polyolefin/acrylic acid or substituted acrylic acid/acrylonitrile are prepared by combining a polyolefin/acrylic acid or substituted acrylic acid copolymer with at least one dinitrile to form a mixture and reacting the mixture at a temperat... | 02/08/1994 |
| 5276116 | Composition and method for friction loss reduction Fluid flow friction loss of a hydrocarbon liquid is improved by adding a small amount of a copolymer of divinylbenzene and a linear alpha-olefin or a copolymer of vinyl siloxane and a linear alpha-olefin to the liquid hydrocarbon. A preferred catalyst for... | 01/04/1994 |
| 5244937 | Stable nonagglomerating aqueous suspensions of oil soluble polymeric friction reducers Stable nonagglomerating suspensions of oil soluble polymeric friction reducers are prepared by combining free-flowing solid particles of such friction reducers with a suspension stabilizing amount of a water soluble thickening agent in water or in a mixtu... | 09/14/1993 |
| 5045291 | Reactivation of spent alkanolamine Aqueous alkanolamine solution containing alkali metal salts of anions which form heat stable salts with such alkanolamine is reactivated by contacting the solution sequentially with a basic anion exchange resin to remove such anions and an acidic cation i... | 09/03/1991 |
| 5034116 | Process for reducing the coarse-grain CTE of premium coke The coarse-grain CTE of premium coke is reduced by increasing the nominal velocity of the volatile coking by-products in the coking drum to a higher level than the preexisting nominal velocity.... | 07/23/1991 |
| 5028574 | Composition and method for friction loss reduction A catalyst and method is provided for the production of ultra-high molecular weight polymers characterized as having an inherent viscosity of above 12.0 by contacting ethylenically unsaturated monomers with a dual electron donor catalyst under polymerizat... | 07/02/1991 |
| 5028311 | Delayed coking process Premium coke having a low coefficient of thermal expansion and containing reduced fluff coke is obtained by subjecting an aromatic mineral oil to reduced temperature delayed coking, thereafter converting uncoked oil in the coke drum to coke under delayed ... | 07/02/1991 |
| 5027843 | Use of a water soluble drag reducer in a water/oil/gas system The friction loss in a conduit flowing a mixture of water, oil and gas is reduced by injecting into the mixture a water soluble friction reducing polymer.... | 07/02/1991 |
| 5006258 | Regeneration of acidic cationic exchange resin used in the reactivation of spent alkanolamine Spent aqueous alkanolamine solution containing free alkanolamine, alkali metal salts of anions which form heat stable salts with such alkanolamine and heat stable alkanolamine salts is reactivated by contacting the solution with an acidic cation ion excha... | 04/09/1991 |
| 4999099 | Process for making mesophase pitch An improved process for producing an anisotropic pitch product suitable for carbon fiber manufacture. A carbonaceous feedstock is heated at elevated temperature while passing a reactive sparging gas through the feedstock. The sparging gas is an oxidative ... | 03/12/1991 |
| 4970344 | Reactivation of spent alkanolamine Aqueous alkanolamine solution containing alkali metal salts of anions which form heat stable salts with such alkanolamine is reactivated by contacting the solution sequentially with a basic anion exchange resin to remove such anions and an acidic cation i... | 11/13/1990 |
| 4952738 | Composition and method for friction loss reduction Fluid flow friction loss of a hydrocarbon liquid is improved by adding a small amount of a copolymer of divinylbenzene and a linear alpha-olefin or a copolymer of vinyl siloxane and a linear alpha-olefin to the liquid hydrocarbon. A preferred catalyst for... | 08/28/1990 |
| 4945142 | Composition and process for friction loss reduction A catalyst and method is provided for the production of ultra-high molecular weight polymers characterized as having an inherent viscosity of above 12.0 by contacting ethylenically unsaturated monomers with a dual electron donor catalyst under polymerizat... | 07/31/1990 |
| 4926582 | Low pour crude oil compositions A low pour point crude oil composition is prepared by incorporating in a waxy crude oil an effective pour point depressant amount of an oil soluble ethylene-acryonitrile copolymer or terpolymer. The copolymer or terpolymer is usually added as a solution. ... | 05/22/1990 |
| 4911923 | Biocide for petroleum operations An in-situ biocide having improved characteristics comprises polyoxymethylene polymers having an inherent viscosity of at least 0.1 as measured in para-chlorophenol at 60° C. Such polymers provide continuous release of formaldehyde biocide in hydrocarbon... | 03/27/1990 |
| 4900445 | Low pressure hydrocyclone separator A system is provided for the separation of oil from oily water, particularly where the oily water is available only at relatively low pressures insufficient ot drive a hydrocyclone separator. Particular combinations of pumps and hydrocyclones can be effec... | 02/13/1990 |
| 4894144 | Preparation of lower sulfur and higher sulfur cokes A virgin heavy oil is hydrotreated, separated into a light fraction and a heavy fraction which are separately delay coked to obtain (a) a coke product of low sulfur content suitable for use as recarburizer coke or for use in the manufacture of graphite el... | 01/16/1990 |
| 4892642 | Process for the production of mesophase An improved process for producing an anisotropic pitch product suitable for carbon fiber manufacture. A carbonaceous feedstock substantially free of mesophase pitch is heated at elevated temperature while passing an oxidatively reactive sparging gas such ... | 01/09/1990 |
| 4892641 | Process for the production of mesophase pitch An improved process for producing an anisotropic pitch product suitable for carbon fiber manufacture. A carbonaceous feedstock substantially free of mesophase pitch is heated at elevated temperature while passing an oxidatively reactive sparging gas such ... | 01/09/1990 |
| 4881566 | Method for reducing pressure drop in the transportation of drag reducer Method for reducing pressure drop in a conduit carrying a viscous drag reducing material by injecting a lower viscosity liquid which is immiscible with the drag reducing material at the periphery of the conduit to form a flowing annular layer of such lowe... | 11/21/1989 |
| 4881210 | Torsionally rigid support apparatus for marine seismic transducer An apparatus for supporting a seismic transducer under water adjacent a towing vessel includes an elongated substantially rigid towing arm. A lower connector assembly is operably associated with the towing arm for connecting a lower end thereof to the tra... | 11/14/1989 |
| 4842752 | Stable extreme pressure grease A stable extreme pressure grease comprising a base oil, a soap and an EP agent, in the preparation of which excess soap is provided for reaction with the EP agent whereby the thickening effect of the remaining soap in the grease is retained.... | 06/27/1989 |
| 4832820 | Pressure settling of mesophase A mesophase pitch suitable for carbon fiber production is produced by heat soaking a heavy aromatic hydrocarbon feedstock at conditions such that a substantial part of the feedstock is converted to mesophase pitch. The mesophase pitch is separated from th... | 05/23/1989 |
| 4822479 | Method for improving the properties of premium coke Properties of premium coke are improved by coking the feed at a temperature lower than the normal coking temperature and thereafter subjecting the coke to a heat soak at substantially the same temperature as the temperature at which the coke was formed.... | 04/18/1989 |
| 4787990 | Low toxicity oil-based drilling fluid Disclosed is a low toxicity oil for use in drilling fluids. The oil consists essentially of branched- and cyclic-paraffins having 11 to 17 carbon atoms per molecule and further having a low aromatic content of less than about 1% and a low normal-paraffin ... | 11/29/1988 |
| 4771799 | Method for improving the performance of highly viscous concentrates of high molecular weight drag reducing polymers High molecular weight viscoelastic polymers are dissolved by passing the polymer solution through a die which "beads" the polymer allowing the formation of very fine filaments which are drawn into the flow. The beading and flow rate are balanced to mainta... | 09/20/1988 |
| 4771800 | Dissolution performance by injection through a die-type nozzle Drag reduction in hydrocarbon fluids flowing through conduits is improved by the injection of high molecular weight non-crystalline hydrocarbon soluble drag-reducing polymers through dies having multiple openings at substantially the same distance from th... | 09/20/1988 |
| 4765910 | Use of ammonium chloride solutions to remove sulfonate surfactants from crude oil Sulfonate surfactants are removed from crude oil or crude oil emulsions, such as may be produced using enhanced recovery methods, by mixing with an aqueous solution of synthetic brine such as ammonium chloride, allowing the phases to separate, and removin... | 08/23/1988 |
| 4758329 | Premium coking process In a delayed premium coking process utilizing as feedstock an aromatic mineral oil having a high aromatic content and a low molecular weight, coke CTE is reduced and coke particle size is increased by sparging with a gas during the coking cycle.... | 07/19/1988 |
| 4758374 | Soluble oil concentrate and emulsifier system used therein The combination of a conventional emulsifier package for soluble oils and a synergistic combination of (a) an oxazoline derivative and an amide and (b) an ether sulfate ammonium salt surfactant. The oxazoline drivative and amide contain straight or branch... | 07/19/1988 |
| 4756326 | Polymeric drag reducer performance by injection through a land-length die Drag reduction in fluids flowing through conduits is improved by the injection of high molecular weight fluid soluble drag-reducing polymers through land-length dies having multiple openings.... | 07/12/1988 |
| 4724907 | Method and device for blending surfactant mixtures for treatment of oil wells A method of improving production of heavy crude oil from a well by mixing a first solution of water soluble surfactant and water, and preferably forming a mixture of the first solution and an oil solvent, and pumping the mixture into the well to mix with ... | 02/16/1988 |
| 4603037 | Desulfurization of flue gas from multiple boilers Flue gases from two or more boilers are treated for reduction of their sulfur dioxide content by injecting as sorbent fine limestone or dolomite into one of the boilers, recovering a mixture of spent and calcined sorbent from the resulting flue gas, hydra... | 07/29/1986 |
| 3933681 | Activation of copper salt phenol oxidation catalysts A method of activating inactive copper salt catalysts for phenol oxidation by the addition of acid.... | 01/20/1976 |
