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| Number | Title | Issue Date |
| 7932203 | Method for producing an oil-binding agent and oil-binding agent produced according to the method A method for producing an oil-binding agent of granular open-porous structure with a silicate ceramic matrix by using recovered paper material and clay. The method is characterized in that, in each case based on the entire raw material, 35 to 60 wt.-% sewage sludge ... | 04/26/2011 |
| 7807596 | Coloration agent for use in ceramic articles and a color developing clay using the same There are provided a coloration agent for use in ceramic articles which offers an effective reuse of shot waste and which contributes to the reduction of manufacture costs, as well as a color developing clay using the same. The coloration agent contains metal powder... | 10/05/2010 |
| 7704907 | Synthesized hybrid rock composition, method, and article formed by the method The invention relates to synthetic hybrid rock compositions, articles of manufacture and related processes employing mineral waste starting materials such as mine tailings, mine development rock, ash, slag, quarry fines, and slimes, to produce valuable articles of m... | 04/27/2010 |
| 7416690 | Method for making product from fiber glass waste The invention provides a method to transform large quantities of fiber glass waste into useful ceramic products by a low-cost manufacturing process. The method consists of reducing the fiber glass waste into a glass powder; mixing the glass powder with additives int... | 08/26/2008 |
| 7325417 | Glass composition with low visible and IR transmission A glass having a visible transmission of no greater than 28% and low IR transmission, and employing a colorant portion: ... | 02/05/2008 |
| 7323429 | Clay composition A method for pacifying the spent bed material resulting from the synthesis of organohalosilanes and halosilanes by mixing clay with spent bed material. Clay compositions containing at least 10 weight % of clay and spent bed material, as well as ceramic compositions ... | 01/29/2008 |
| 7290611 | Methods and systems for cementing wells that lack surface casing Methods and systems for cementing casing in well bores drilled in subterranean formations, and more particularly, methods and systems for cementing casing in a well bore without surface casing or a well head are provided. A method provided herein may comprise sealin... | 11/06/2007 |
| 7278483 | Methods of using cement compositions comprising phosphate compounds in subterranean formations Methods of using cement compositions comprising phosphate compounds in subterranean formations are provided. An example of a method is a method of cementing in a subterranean formation. Other examples of methods include methods of avoiding the loss of circulation in... | 10/09/2007 |
| 7264673 | Manufacture of articles from fly ash The present invention provides a method of forming a shaped article having a matrix that contains sintered fly ash. The method comprises the step of blending fly ash together with water to produce a fly ash dough. The water is added in excess of that which is absorb... | 09/04/2007 |
| 7250119 | Composite materials and techniques for neutron and gamma radiation shielding This invention deals with multi-component composite materials and techniques for improved shielding of neutron and gamma radiation emitting from transuranic, high-level and low-level radioactive wastes. Selective naturally occurring mineral materials are utilized to... | 07/31/2007 |
| 7169464 | Aligned extrudate structure The present invention provides an improved composite material structure having large portions of additive material aligned over a substantial width of a material structure and occupying a larger percentage of the structure volume. The material structure includes a r... | 01/30/2007 |
| 7169725 | Ceramic products, raw batch formulations, and method The invention provides a method to transform large quantities of waste glass into useful ceramic products by a low-cost manufacturing process. The method improves green strength compared to previous methods, and does not require water or any other liquid solvent. On... | 01/30/2007 |
| 7160383 | Composition and application of novel sprayable phosphate cement (grancrete) that bonds to styrofoam A dry mix particulate composition of a calcined oxide of Mg and/or Ca, an acid phosphate, and fly ash or equivalent, wherein the calcined oxide is present in the range of from about 17% to about 40% by weight and the acid phosphate is present in the range of from ab... | 01/09/2007 |
| 7148170 | Recycled ceramic slurry, recycled ceramic powder, ceramic electronic part, and fabricating methods therefor Recycled ceramic slurry is produced by a method including the steps: dissolving the waste material of unfired ceramic in a solvent to form a waste solution; and adjusting a composition of the waste solution to thereby produce the recycled ceramic slurry. If the wast... | 12/12/2006 |
| 7135231 | Process for incremental coating of proppants for hydraulic fracturing and proppants produced therefrom A high strength composite particle comprised of a series of incrementally applied resin microlayer coatings such that each of the microlayer partial coatings are interleaved with each other is described. Methods of making the composite particles, as well as methods ... | 11/14/2006 |
| 7132066 | Method for producing honeycomb structure and honeycomb structure A method for producing a honeycomb structure using, as a part of a starting material, a recycled raw material recycled from a recovered material which is produced in the production process of the honeycomb structure and originates from the starting material for the ... | 11/07/2006 |
| 7132583 | Transformation method of products containing amiantus A method for transforming a waste product containing or completely formed of amiantus comprising subjecting the waste product to several working phases and adding of components such as calcined alumina, clay and material having a given porosity so to produce a final... | 11/07/2006 |
| 7101821 | Silicon composition This invention provides a silicon composition comprising at least 15 wt % of hydrolysed silicon compounds and at least 3 wt % of a binder material. The silicon composition is used in the manufacture of ceramics. The hydrolysed silicon compounds can for example be th... | 09/05/2006 |
| 7036592 | High strength particles and methods of their use in subterranean operations The present invention relates to composite particulates comprising a base material and a nanoparticle material. One embodiment of the present invention provides a method of using a sintered composite particulate in a subterranean application comprising providing a s... | 05/02/2006 |
| 6929200 | Method for preventing asbestos from freeing airborne particles The method for preventing asbestos from freeing airborne particles comprises sequentially heating and the asbestos in the following surrounding temperatures values and maintaining the asbestos in these surrounding temperature values until the asbestos changes to the... | 08/16/2005 |
| 6910537 | Canister, sealing method and composition for sealing a borehole Method and composition for sealing a borehole. A chemically bonded phosphate ceramic sealant for sealing, stabilizing, or plugging boreholes is prepared by combining an oxide or hydroxide and a phosphate with water to form slurry. The slurry is introduced into the b... | 06/28/2005 |
| 6905996 | Method of making a ceramic article This invention provides methods for making ceramic articles with improved density, compression strength and efflorescence properties, in which a pre-ceramic article containing direct process residue gel is heated at an elevated temperature. ... | 06/14/2005 |
| 6776837 | Formation of chemically bonded ceramics with magnesium dihydrogen phosphate binder A new method for combining magnesium oxide, MgO, and magnesium dihydrogen phosphate to form an inexpensive compactible ceramic to stabilize very low solubility metal oxides, ashes, swarfs, and other iron or metal-based additives, to create products and waste forms w... | 08/17/2004 |
| 6777360 | Ceramic material, method of producing same, and formed product thereof A ceramic material suitable for use in production of paving tiles, construction tiles, flooring in offices, flooring in machinery plants and so forth is obtained by a method comprising steps of mixing defatted bran derived from rice bran with a thermosetting resin b... | 08/17/2004 |
| 6763280 | Automated process for recycling batches of mixed color cullet into amber, green, or flint glass with selected properties An automated method for recycling mixed colored cullet glass (i.e., broken pieces of glass of mixed colors and types) into new glass products. A computer controlled process identifies the virgin glass raw materials, the desired target glass properties, the compositi... | 07/13/2004 |
| 6710001 | Porous sintered body A porous sintered body in which the leaching amounts of heavy metals are small and having high availability contains 0.5-15 weight % of B2O3, preferably contains 20-60 weight % of Al2O3, 18-60 weight % of SiO2, ... | 03/23/2004 |
| 6695908 | Method of producing aggregate products using glass A method of producing an improved aggregate product from in inferior initial aggregate material base material. A percentage weight of crushed glass material is introduced into the initial aggregate material to form said aggregate product.... | 02/24/2004 |
| 6679823 | Treatment of electric arc furnace dust to resist acid and alkaline leaching of heavy metals A supplemental agent for a hazardous waste composition containing electric arc furnace dust (EAFD) includes potassium magnesium sulfate or a magnesium salt such as magnesium sulfate or magnesium chloride. The supplemental agent when mixed with EAFD and wa... | 01/20/2004 |
| 6667261 | Open-cell glass crystalline porous material An open-cell glass crystalline porous material made from hollow microspheres which are cenospheres obtained from fly ash, having an open-cell porosity of up to 90 vol. % is produced. The cenospheres are separated into fractions based on one or more of gra... | 12/23/2003 |
| 6569797 | Low density ceramics produced from paper recycling residuals An improved method for preparing low density ceramics is described wherein the process incorporates paper residuals which are a by-product of the paper recycling process. The method for making a low density-ceramic comprises the steps of: a) providing a p... | 05/27/2003 |
| 6498119 | Chemically bonded phosphate ceramics of trivalent oxides of iron and manganese A new method for combining elemental iron and other metals to form an inexpensive ceramic to stabilize arsenic, alkaline red mud wastes, swarfs, and other iron or metal-based additives, to create products and waste forms which can be poured or dye cast.... | 12/24/2002 |
| 6451722 | Method for manufacturing artificial reef based on industrial waste A method for manufacturing an artificial reef based on industrial waste is disclosed. Industrial wastes, including red mud, blast furnace slag, the sludges from the factories of refining raw ore, broken pieces of glass, the stone powders from the anti-pol... | 09/17/2002 |
| 6444162 | Open-cell glass crystalline porous material An open-cell glass crystalline porous material made from hollow microspheres which are cenospheres obtained from fly ash, having an open-cell porosity of up to 90 vol. % is produced. The cenospheres are separated into fractions based on one or more of gra... | 09/03/2002 |
| 6440884 | Composition and process for making building bricks and tiles Building bricks and tiles are made by mixing 60% to 75% clay, 20% to 40% sludge and 1% to 10% sand, all percentages being by weight of the total composition. This process utilizes industrial waste products to provide building materials which are lighter a... | 08/27/2002 |
| 6423129 | Coatings and additives containing ceramic material A coating for roofs and the like to inexpensively provide protection from ultraviolet light and for wood or steel substrates to inexpensively provide flame or chemical resistance respectively. The coating comprises an adhesive and a recycled ceramic powde... | 07/23/2002 |
| 6372678 | Proppant composition for gas and oil well fracturing An aluminosilicate ceramic, spherical pellet made from spent ceramic catalyst. More specifically, a spherical ceramic pellet made from spent fluid cracking catalyst. The pellets can be made by grinding the catalyst particles, forming them into spherical p... | 04/16/2002 |
| 6355588 | Process for treating filter dusts The invention relates to a process for treating filter dusts which are produced during the melting of inorganic compounds, especially those containing fluorides and/or oxides, in which process the filter dusts are fused. The disposal of the fused filter d... | 03/12/2002 |
| 6342461 | Ceramic composition made from waste materials and method for manufacturing the same A ceramic composition made from waste materials and a method for manufacturing the same are disclosed. The ceramic composition comprises between 5 and 75 by weight part of a solid stated waste material including heavy metals, between 15 and 45 by weight p... | 01/29/2002 |
| 6340650 | Ceramic products made from waste glass, raw batch formulations, and method The invention provides a method to transform large quantities of waste glass into useful ceramic products by a low-cost manufacturing process. The major steps of the method consist of dry preparation of glass powder, granulation with a non-aqueous organic... | 01/22/2002 |
| 6309337 | Method of forming an insoluble phosphate mineral species The present invention discloses a method of forming phosphate mineral species of the apatite family, and the mineral species thus formed, by contacting soil or solid waste material containing leachable lead with a combination of a sulfate reagent that inc... | 10/30/2001 |
