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| Number | Title | Issue Date |
| 7147679 | Synthetic fuel production method A method of producing a synthetic fuel by treating fines of bituminous coal with an emulsion of a tall-oil mix, which may include enhancers that either increase the chemical change in the coal or reduce the cost of the synthetic fuel. Enhancers include poly vinyl ac... | 12/12/2006 |
| 7361801 | Methods for immobilization of nitrate and nitrite in aqueous waste The present invention relates to a method of immobilizing aqueous waste, including low level nuclear waste, by converting the waste to a solid. Solidification is accomplished with the addition of a compound having the formula Me(II)O or Me(II)(OH)2 in com... | 04/22/2008 |
| 7312251 | Synthesis of stable solutions of rare earth tris (organophosphate) in hydrocarbon solvents Stable rare earth tris (organophosphate) solutions comprise a rare earth tris (organophosphate) and a hydrocarbon solvent. From about 2% to about 10% rare earth element, preferably from about 3% to about 8%, is present in the solutions. The rare earth tris (organoph... | 12/25/2007 |
| 7179533 | Fabrication of quartz-clad carbon nanotube bundles To develop a method of fabricating carbon nanotube bundles clad in a quartz sheath with high temperature and chemical resistance. The microcrystalline carbon nanotube sample in powder form is vacuum-sealed within a quartz tube sheath and heated to the softeni... | 02/20/2007 |
| 7169840 | Floor covering adhesive In a process for the manufacture of aqueous floor covering adhesives without the addition of solvents, high-boiling solvents, or plasticizers and with the use of a non-carboxylated styrene/butadiene (SBR) dispersion and of an agent providing initial adhesion, a melt... | 01/30/2007 |
| 7033469 | Stable inert anodes including an oxide of nickel, iron and aluminum Ceramic inert anodes useful for the electrolytic production of aluminum are disclosed. The inert anodes comprise oxides of Ni, Fe and Al. The Ni—Fe—Al oxide inert anode materials have sufficient electrical conductivity at operation temperatures of aluminum produ... | 04/25/2006 |
| 7014881 | Synthesis of multi-element oxides useful for inert anode applications An inert anode 50, for use in an electrolytic cell 12 for producing metals such as aluminum, is made by providing chemical source materials 100 such as at least two of metal salts, metal particles, or metal oxides and dissolving them to form a s... | 03/21/2006 |
| 7001497 | Process and apparatus for positioning replacement anodes in electrolytic cells A spent anode is replaced with a new anode in an electrolysis cell having an anode bus bar and an anode rod contacting the bus bar. A desired distance (D4) from the bus bar to a reference point on or adjacent to an anode rod for the new anode is calculated, t... | 02/21/2006 |
| 7000520 | Roll supporting slide cutter assembly incorporating a traversable cutter tab and in particular capable of being supported within a carton enclosure associated with a wrap material roll A slide cutter assembly for use in sectioning lengths of a packaging material drawn from a roll. The device includes an elongated and shaped body. A first roll supporting portion is located at a first end of said body and a second roll supporting portion is likewise... | 02/21/2006 |
| 6980580 | Electrode arrangement as substitute bottom for an electrothermic slag smelting furnace The electrode arrangement uses vertically oriented electrodes with side wall contacts for an electrothermic smelting furnace for aluminum production. The side wall contacts are radially moveable into the furnace to compensate for wear on the contacts. The side wall ... | 12/27/2005 |
| 6881491 | Protective fluoride coatings for aluminum alloy articles An aluminum alloy article is cleaned to remove oxides and organic matter from a coatable surface, coated with a composition comprising an organic resin and a fluorine compound, and then heated to an elevated temperature to decompose the organic resin and at least a ... | 04/19/2005 |
| 6866454 | Security bar for use with vehicle having a hauling bed A security bar for use with a truck having a hauling bed includes an elongated cross bar, a pair of end plates, and a pair of fastening elements used to attach the security bar to the hauling bed. The elongated cross bar defines openings at each end. The pair of end... | 03/15/2005 |
| 6863788 | Interlocking wettable ceramic tiles An electrolytic cell for the reduction of aluminum having a layer of interlocking cathode tiles positioned on a cathode block. Each tile includes a main body and a vertical restraining member to prevent movement of the tiles away from the cathode block during operat... | 03/08/2005 |
| 6855234 | Sinter-bonded direct pin connections for inert anodes A sintered electrode assembly is made of an inert electrode (15) containing a sealed metal conductor (20) having a surface feature (30) such as a coating or wrapping which aids in bond formation with the inert electrode (15) at their inte... | 02/15/2005 |
| 6818106 | Inert anode assembly A solid material (12′) circumscribing an anode system (10) in an electrolysis apparatus is made from a mixture of cryolite and/or alumina (Al2O3), where the solid material (12′) contacts and surrounds the anodes (14,... | 11/16/2004 |
| 6805777 | Mechanical attachment of electrical current conductor to inert anodes An inert anode (10) for use in an electrolysis process to make metals such as aluminum, contains a hollow interior with an open top portion (16), an interior closed bottom (18) and interior walls (19) where the top interior side walls ( | 10/19/2004 |
| 6723282 | Metal product containing ceramic dispersoids form in-situ A novel method for producing a ceramic phase particle dispersoid in metal and a novel product composed thereof. The method includes (a) providing a molten composition consisting essentially of molten aluminum alloy containing molten metal selected form the group con... | 04/20/2004 |
| 6693947 | Method to protect the anode bottoms in batch DC electric arc furnace steel production A batch process for an electric arc furnace (1) to manufacture steel (10) includes the steps of providing an empty furnace having a bottom (14) and sides (16) and electrodes (2, 3); adding molten metal to the empty furnace; adding other necessary ingredie... | 02/17/2004 |
| 6680121 | Bismuth-containing laser markable compositions and methods of making and using same The present invention relates to additive, pigment or colorant materials which may be used for laser marking. The materials comprise oxides of bismuth and at least one additional metal. Preferred laser-markable bismuth-containing oxide compounds are of th... | 01/20/2004 |
| 6541112 | Rare earth manganese oxide pigments Rare earth manganese oxides are used as pigments. The pigments are preferably of the formula (Rex Mn)Oy, where Re is at least one element selected from Y, La and Lanthanide elements, x is from 0.01 to 99, and y is the number required... | 04/01/2003 |
| 6531181 | Process for producing a conductive coating on glass or on enamelled steel and substrates coated by this process The invention relates to a process for producing a conductive coating on glass and enamelled steel using a screen-printable aluminum paste. The paste to be used contains: 40 to 80 wt. %, in particular, 50 to 75 wt. % aluminum powder; 5 to 40 wt. %, in par... | 03/11/2003 |
| 6503310 | Laser marking compositions and method Laser markable coatings include a marking pigment and a fixing material. The marking pigment may comprise titanium dioxide, zinc oxide, zinc sulfide or the like. The fixing material may comprise bismuth trioxide, antimony oxide and the like, and preferabl... | 01/07/2003 |
| 6503316 | Bismuth-containing laser markable compositions and methods of making and using same The present invention relates to additive, pigment or colorant materials which may be used for laser marking. The materials comprise oxides of bismuth and at least one additional metal. Preferred laser-markable bismuth-containing oxide compounds are of th... | 01/07/2003 |
| 6485557 | Manganese vanadium oxide pigments Manganese vanadium oxides are used as pigments. The mnanganese vanadium oxide pigments are of the formula Mn2 V2 O7. The, pigments are useful as colorants, and also possess improved reflectance characteristics in the infra... | 11/26/2002 |
| 6126826 | PVDF microporous membrane and method Methods for making microporous polyvinylidene fluoride (PVDF) membranes from vinylidene fluoride polymers and the products produced. The PVDF microporous membranes have a significantly faster flow rate at a given pore size as compared to equally-sized mic... | 10/03/2000 |
| 5564103 | Reducing the volume of depleted ion exchange bead resin A process for removing liquid from depleted ion exchange bead resin includes the steps of: transferring a slurry containing at least 10 volume % of contaminated ion exchange resin beads from storage (10) having a particle size range from 300 micrometers t... | 10/08/1996 |
| 5545796 | Article made out of radioactive or hazardous waste and a method of making the same An article, such as a containment system (10), having sides (12) with walls (2) or (24) is made; in one method by using cast, cooled, melted, radioactive metal components where the melted metal has a specific activity over 130 Bq/g; or by providing a cont... | 08/13/1996 |
| 5436384 | Process for the remediation of contaminated particulate material A method for segregating fines from the clean coarse fraction of the soil, preparing the contaminated fines for subsequent processing, and then separating the contaminants from the clean fines. The process produces a small, highly concentrated contaminant... | 07/25/1995 |
| 5426003 | Method of forming a plasma sprayed interconnection layer on an electrode of an electrochemical cell A dense, substantially gas-tight, electrically conductive interconnection layer is formed on an air electrode structure of an electrochemical cell by (A) providing an electrode surface; (B) forming on a selected portion of the electrode surface, a layer o... | 06/20/1995 |
| 5416257 | Open frozen barrier flow control and remediation of hazardous soil Treatment of flowable underground contaminants comprises freezing at least one open underground barrier volume to form a wall (10) near the contaminated region (12) in the ground (14), where the wall (10) is positioned to direct the contaminant flow (16) ... | 05/16/1995 |
| 5408883 | Remotely operated diagnostic tube sampling device and method of sampling A robotic sampling device (32) for cutting part of a tube wall (12) for sampling, containing a cutting head (36), a retrieval assembly (38) and a drive mechanism (40), is used to cut a window or hole (60) in the tube wall (12) and retrieve the tube wall s... | 04/25/1995 |
| 5402455 | Waste containment composite The present invention provides an improved multilayered storage structure composite material. The composite contains a fibrous mat made from interwoven fibers, preferably metallic fibers, that is encased with a concrete-based mixture to form a mat layer. ... | 03/28/1995 |
| 5391440 | Method of forming a leak proof plasma sprayed interconnection layer on an electrode of an electrochemical cell A dense, substantially gas-tight, electrically conductive interconnection layer is formed on an electrode structure of an electrochemical cell by: (A) providing an electrode structure; (B) forming on a selected portion of the electrode surface, an interco... | 02/21/1995 |
| 5389456 | Method and closing pores in a thermally sprayed doped lanthanum chromite interconnection layer A dense, substantially gas-tight electrically conductive interconnection layer is formed on an air electrode structure of an electrochemical cell by (A) providing an air electrode surface; (B) forming on a selected portion of the electrode surface, a laye... | 02/14/1995 |
| 5372650 | Method for treatment of waste sand A process system is disclosed for the treatment of a waste sand material containing metal contaminants. The waste sand material is the product of sandblasting techniques used to remove paint. The metal contaminants generally include lead, copper, chromium... | 12/13/1994 |
| 5370827 | Solution decontamination method using precipitation techniques Solutions such as for example drinking water, ground water and extracting solutions contaminated with heavy metals and radioactive species, singly or in combination, are treated by first treating the contaminated solution with silicate and ammonium hydrox... | 12/06/1994 |
| 5361910 | Modified mineral jig The present invention provides an improved design for the hindered settling bed within a mineral jig. The hindered settling bed contains relatively low density materials that can be used in conjunction with high density materials to aid in the separation ... | 11/08/1994 |
| 5361514 | Removal of volatile and semi-volatile contaminants from solids using thermal desorption and gas transport at the solids entrance The removal of organics and volatile metals from soils using thermal desorption comprises moving contaminated materials, positioned on a belt conveyor, through a chamber (32) under oxygen conditions, temperature conditions, and residence time effective to... | 11/08/1994 |
| 5342704 | Method of making an air electrode material having controlled sinterability A tubular, porous ceramic electrode structure (3) is made from the sintered admixture of doped lanthanum manganite and an additive containing cerium where a solid electrolyte (4), substantially surrounds the air electrode, and a porous outer fuel electrod... | 08/30/1994 |
