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| Number | Title | Issue Date |
| 7211233 | Method of preparing granules A method of preparing spherical pellets from a slurry comprising a ceramic powder, a solvent, and any desired additives, by means of a drop-generating orifice to which said slurry is fed is described, wherein the drops are released from said orifice by means of a re... | 05/01/2007 |
| 7211235 | Method for producing hydrotalcites A method is described for the manufacture of hydrotalcites by using at least one compound of a bivalent metal (Component A) and at least one compound of a trivalent metal (Component B), wherein at least one of these components is not used in the form of a solution, ... | 05/01/2007 |
| 7208438 | Catalyst and method for the alkylation of hydroxyaromatic compounds A method of making a catalyst comprising mixing a metal oxide precursor and a pore former to form a metal oxide precursor mixture and calcining the metal oxide precursor mixture in the presence of a flowing gas having a flow rate to form the catalyst comprising meta... | 04/24/2007 |
| 6911158 | Sound absorbing material and its manufacturing method The porous sound-absorbing material manufactured is light and has excellent heat resistance to be applicable to the exhaust nozzle etc. of a jet engine, can effectively absorb noise as that from a jet engine, over a wide range of frequencies, is free from variations... | 06/28/2005 |
| 6897175 | Catalyst and method for the alkylation of hydroxyaromatic compounds A metal oxide catalyst precursor composition comprises a pore former and a catalyst reagent. ... | 05/24/2005 |
| 6887809 | Open-celled silicon carbide foam ceramic and method for production thereof The invention relates to the field of ceramics and open-celled silicon carbide foam ceramics, which can find application, for example, as high temperature- and thermal shock-resistant silicon carbide foam. The aim of the invention is to disclose an open-celled silic... | 05/03/2005 |
| 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 |
| 6537939 | Porous grog composition, water purification device containing the porous grog and method for making same A porous grog with a body composition of water, clay and combustible material. Further, an earthenware water purification filter utilizing the porous grog in the body composition of the filter. A water purification system incorporating said filter, said w... | 03/25/2003 |
| 6479418 | Porous ceramic body The invention relates to a process for preparing a porous ceramic body, which process is based on a negative replica method. The invention further relates to a ceramic body obtainable by said method and to its use as a scaffold for tissue engineering.... | 11/12/2002 |
| 6420292 | Porous ceramics provided with amorphous pore surfaces This invention relates to a method for treating various kinds of drain water and waste liquid which treatment now becomes a problem, for example, drain water and waste liquid containing hardly removable phosphorus and nitrogen, waste liquid containing org... | 07/16/2002 |
| 6251819 | Silicon carbide foam with high specific surface area and improved mechanical properties Silicon carbide foam useful as a catalyst support has a BET specific surface area of at least 5 m2 /g, and a compression strength exceeding 0.2 MPa. The foam is prepared by impreganting an organic foam with a suspension of silicon in a resin co... | 06/26/2001 |
| 6165936 | Method for producing alumina-based porous supports An alumina-based porous support with uniform physical properties is obtained in a rapid sintering process. An alumina raw material including a raw alumina powder and an inorganic binder is molded into an article, and the article is then sintered for 5 to ... | 12/26/2000 |
| 6042763 | Method of preparing porous ceramics provided with amorphous pore surfaces This invention relates to a method for treating various kinds of drain water and waste liquid which treatment now becomes a problem, for example, drain water and waste liquid containing hardly removable phosphorus and nitrogen, waste liquid containing org... | 03/28/2000 |
| 5998317 | Open-celled porous sintered products and their production The production of open-celled porous inorganic sintered products comprises the steps a) introducing a flowable mixture comprising an aqueous polymer dispersion, sinterable inorganic powder and dispersant into a precipitation bath in which the polymer prec... | 12/07/1999 |
| 5958831 | SiC foam catalyst carrier with a reinforced skin and corresponding catalytic systems SiC foam-based catalyst carrier in the form of a moulded part having walls reinforced with a SiC skin having mechanical characteristics higher than those of the foam, this skin allowing the carrier to be handled and used without damage.... | 09/28/1999 |
| 5911903 | Mixture and process for producing heat-insulating moldings The invention relates to a mixture for producing a heat-insulating molding, comprising from 20% to 99% by weight of microporous, oxidic inorganic material, from 0% to 50% by weight of opacifier, from 0% to 50% by weight of fiber material and from 0% to 15... | 06/15/1999 |
| 5618762 | Light-weight antibacterial ceramic and antibacterial ceramic filter An antibacterial ceramic contains an antibacterial material produced by loading an antibacterial metal such as silver on a calcium ceramic carrier and an inorganic material such as cordierite, and has a bulk density of 0.6-1.2 g/cm3. An antibac... | 04/08/1997 |
| 5571848 | Method for producing a microcellular foam The invention provides a method for producing a microcellular foam of a curable material by replicating a dissolvable particle preform and leaching away the dissolvable particle preform to yield the microcellular foam. The foam can be a preceramic polymer... | 11/05/1996 |
| 5552351 | Ceramic membranes having macroscopic channels Methods have been developed to make porous ceramic membranes having macroscopic channels therethrough. The novel membranes are formed by temporarily supporting the sol-gel membrane precursor on an organic support which is ultimately removed from the inter... | 09/03/1996 |
| 5384291 | Carbothermal synthesis precursors Ceramic precursor materials bound together by a product of a condensation reaction between a first reactant that has at least one reactive hydroxyl moiety, such as a carbohydrate, and a second reactant that has at least one reactive nitrogen-containing mo... | 01/24/1995 |
| 5242494 | Foamable compositions This invention relates to a foamable silicate composition comprising (a) one or more alkali metal silicates, (b) a blowing agent, (c) a hardener which can be an acetate or a formate ester of a di-polyhydric alcohol or a polyoxyalkylene glycol and (d) a su... | 09/07/1993 |
| 5221294 | Process of producing self-bonded ceramic abrasive wheels A grinding tool is described which comprises self-bonded particles of a ceramic abrasive and has a voids volume of from 5 to 65%.... | 06/22/1993 |
| 5206191 | Method of producing refractory materials and their applications in the casting of corrosive alloys A method of producing a refractory material of the non-shaped type is disclosed. Refractory aggregates and a binder are mixed ensuring cohesion by chemical bonding. The mixture is shaped and fired. A charge comprising refractory particles of a polymodal g... | 04/27/1993 |
| 5177035 | Molten metal filter and method for making same A porous ceramic body of high structural strength and integrity is disclosed, along with the method of fabricating such, whereby a curable resin and a sinterable ceramic are mixed and then admixed to removable pore formers, then consolidated into a green ... | 01/05/1993 |
| 5171720 | Porous ceramic sinter and process for producing same A porous ceramic sinter and a process for producing the same are disclosed, which sinter has macropores with a pore size of from 20 to 2,000 μm and three-dimensionally communicating pores that are made of interstices between secondary particles.... | 12/15/1992 |
| 5001088 | Method for producing porous form bodies A porous form body is produced of sinterable SiC-powder by forming a suitable suspension of said SiC-powder and then treating the suspension to convert it into droplets and the droplets into a granular material in which the granules are substantially larg... | 03/19/1991 |
| 4999322 | High-temperature porous-ceramic superconductors A method for fabricating a high-temperature ceramic superconductor having a Y-Ba-Cu-O or other copper-oxide composition of comparable properties so as to render the ceramic porous to define interlaced diffusion channels throughout the entire body of the c... | 03/12/1991 |
| 4873207 | Ceramic aggregate for roadway composition and method of producing same A ceramic aggregate for concrete is made from a mixture of clay and dried organic garbage in a ratio of about three parts by volume of organic garbage to about one part by volume clay. The mixture is shaped into pancake-shaped pellets and fired at a tempe... | 10/10/1989 |
| 4846838 | Prosthetic body for bone substitute and a method for the preparation thereof The inventive prosthetic body for bone substitute is a sintered body of hydroxyapatite and characterized by the open pore structure with a pore diameter in a specified range forming a porosity of 20 to 40% and a bending strength of at least 100 kg/cm... | 07/11/1989 |
| 4814085 | Fixing carrier for activated sludge in sewage or waste water treatment A fixing carrier for fixing an activated sludge employed in a sewage or waste-water treatment in which: a clay, containing kaolinite minerals, of from 10 to 40 parts by weight and a foaming agent of from 5 to 20 parts by weight are blended with a granulat... | 03/21/1989 |
| 4814125 | Fixing carrier for activated sludge in sewage or waste water treatment A fixing carrier for fixing an activated sludge employed in a sewage or waste-water treatment in which a clay, containing kaolinite minerals, of from 10 to 40 parts by weight and a foaming agent of from 5 to 20 parts by weight are blended with a granulate... | 03/21/1989 |
| 4806206 | Process for preparing ceramic molding A process for preparing ceramic moldings containing no organic matter with retention of their original shapes which comprises mixing 100 parts by weight of ceramic powders and/or fibers, 0.1 to 50 parts by weight of papermaking organic fibers and/or wet-e... | 02/21/1989 |
| 4780433 | Insulating ceramic building material and method with fired clay and garbage mixture A ceramic composition to make cement with insulating properties is a mixture of cement, ceramic grog and ceramic aggregate beads, the ceramic grog and aggregate being a mixture of clay and dried organic mulch. After firing, the resulting ceramic product i... | 10/25/1988 |
| 4740486 | Ceramic composition to make cement with insulating properties A composition for building blocks is a mixture of cement, ceramic grog and ceramic aggregate beads. The ceramic grog and aggregate are formed as a mixture of clay and dried organic mulch. After firing, the resulting ceramic product is porous. When added t... | 04/26/1988 |
| 4654314 | Porous ceramic material and processes for preparing same A porous ceramic material composed of a sintered porous body of a calcium phosphate compound is described. A multiplicity of capillary void paths having a diameter of 1 to 30 μm and a multiplicity of pores having a diameter of 1 to 600 μm are formed in ... | 03/31/1987 |
| 4600560 | Process for thermal insulation of the surface of a molten mass of steel and thermally insulating board used as a cover plate for carrying out said process A process of using a thermally insulating board, made of a homogeneous mixture of expanded perlite particles and cellulosic and/or mineral and/or ceramic fibers, bonded together, comprising placing on the surface of a molten steel mass, in direct contact ... | 07/15/1986 |
| 4584280 | Porous ceramic thin film and process for preparing the same A process for preparing a porous ceramic thin film which comprises applying an anhydrous solution containing an organometallic compound and a multifunctional organic compound to a substrate, and thermally decomposing the compounds. The porous ceramic thin... | 04/22/1986 |
| 4545568 | Unfired refractory structural member in the form of a plate for use as an expendable lining of metallurgical vessels Unfired refractory structural member in the form of a plate for the expendable lining of metallurgical vessels, especially for tundishes used in continuous steel casting, and comprising magnesia sinter and possibly olivine with a grading of 30-45% by weig... | 10/08/1985 |
| 4452905 | Aqueous preparation and its use for the preparation of ceramic masses An aqueous preparations of a gel-like consistency, containing (A) 1-15% by weight of hydrophilic polyurethanes, (B) optionally up to 3% by weight of hydrophilic polymers which are water-soluble or capable of swelling in water, based on unsaturated monomers and... | 06/05/1984 |
| 4448914 | Aqueous preparation and its use in the production of ceramic compositions An aqueous preparations of a gel-like consistency, containing (a) oils in quantities of from 0.03 to 30% by weight, (b) water-soluble or swellable vinyl polymers in quantities of from 0.2 to 10% by weight, (c) water-soluble or swellable polymers based on natural su... | 05/15/1984 |
