Class / Patent application number | Description | Number of patent applications / Date published |
264042000 | Of inorganic materials | 37 |
20080246174 | Permeable Cements - A permeable cement composition including an aqueous slurry of a hydraulic cement which is based upon a water-immiscible dispersed fluid phase and a hollow particulate material. The hollow particulate material breaks down in the presence of the cement so as to leave voids which together with the dispersed phase create a permeable structure in the cement. | 10-09-2008 |
20090200693 | METHOD FOR PRODUCING CERAMIC HONEYCOMB FILTER - A method for producing a ceramic honeycomb filter by blending a starting material mixture comprising a ceramic material, a molding aid and a pore-forming material under a pressure of 0.12-0.5 MPa in a pressure kneader to form a moldable material for a honeycomb extrudate. | 08-13-2009 |
20110278756 | SILICA STRUCTURE AND METHOD OF PRODUCING THE SAME, AND HEAT INSULATING MATERIAL - A silica structure includes mesoporous silica spheres; and connection portions each of which includes metal oxide, and each of which connects the mesoporous silica spheres to each other. | 11-17-2011 |
20120313279 | Method of Making Ceramic Articles with Multiple Distinct Regions of Distinct Density - A method for producing ceramic articles with multiple distinct regions of density by blending pore formers of different types or amounts with ceramic particles to create multiple pore former/ceramic particle mixtures. The mixtures are placed in a divided die cavity, divider removed and subjected to compaction under pressure to produce a compacted billet. The compacted billet is thermally processed to volatilize organics from the billet and sinter the billet, creating a cohesive billet of ceramic having two or more regions of density. | 12-13-2012 |
20130037982 | FILTER CASTING NANOSCALE POROUS MATERIALS - A method of producing nanoporous material includes the steps of providing a liquid, providing nanoparticles, producing a slurry of the liquid and the nanoparticles, removing the liquid from the slurry, and producing monolith. | 02-14-2013 |
20130075945 | FILLED POLYMER COMPOSITE AND SYNTHETIC BUILDING MATERIAL COMPOSITIONS - The invention relates to composite compositions having a matrix of polymer networks and dispersed phases of particulate or fibrous materials. The matrix is filled with a particulate phase, which can be selected from one or more of a variety of components, such as fly ash particles, axially oriented fibers, fabrics, chopped random fibers, mineral fibers, ground waste glass, granite dust, or other solid waste materials. A system for providing shape and/or surface features to a moldable material includes, in an exemplary embodiment, at least two first opposed flat endless belts spaced apart a first distance, with each having an inner surface and an outer surface. | 03-28-2013 |
20130087941 | METHOD OF PRODUCING CARBON NANOTUBE SPONGES - A kind of production method for carbon nanotube sponges which can control different hole sizes and densities, having uniform cell sizes. The formed carbon nanotube sponge has a soft, flexible and multi-holed structure. The carbon nanotubes pass through a hydrophilic acid process, mixing with different ratios of polymer materials PVA and are dispersed in the solvent. This mixed liquid is frozen under different controlled solidifying rates, forming different sized solid ice crystals having controllable particle sizes, and is vacuumized in the next step, which removes the frozen solvent through low pressure sublimation, the remains being the multi-holed carbon nanotube sponge structure. The size of the cells of the carbon nanotube sponge structure can be controlled through the freezing rate and the addition of polymers. The strength and stiffness can be controlled through the density of the carbon nanotubes and the addition of polymers. | 04-11-2013 |
20130106012 | Manufacture process for high wear-heat resistant parts carbon brushes & brake pads ASTM preform slurry electrolyte carbon nanofoam CNFs & 2.5 phase design and precision die cast extrusion for highly pure metal, super alloy, ceramics, alkaline, and alkalide | 05-02-2013 |
20130161854 | METHOD FOR MANUFACTURING FOAM MATERIAL USING MOLTEN SLAG - A method for manufacturing a foam material by using a molten slag includes: introducing the molten slag maintained at 1400° C.-1500° C. into a pool for preserving heat, and adding a viscosity modifier and/or a color modifier to the molten slag to adjust a viscosity and/or a color a product manufactured. The molten slag is discharged into a foaming pour while adding a foaming agent to the molten slag, while controlling the foam and mold at 1250° C.-1400° C. The foamed and molded slag is maintained at 800° C.-1000° C. for 20-30 minutes in a non-reducing atmosphere, and then naturally cooled to a room temperature to obtain the foam material. The produced inorganic nonmetal foam material and products thereof have such characteristics as stable color quality, abrasion resistance, pressure resistance, small thermal conductivity, small shrinkage ratio, and excellent sound absorption, adsorption and filtering performances. | 06-27-2013 |
20130307175 | METHOD FOR PRODUCING A THREE DIMENSIONAL GREEN ARTICLE - A method for producing a three dimensional green article includes: (a) providing a slurry composition that contains an inorganic powder, a binder, and a solvent; (b) forming a slurry layer made of the slurry composition; (c) removing the solvent of the slurry layer from an upper surface of the slurry layer so as to form the slurry layer into a green layer with a plurality of pores; (d) scanning the green layer with an energy beam having a power sufficient to vaporize or burn the binder such that the vaporized binder or the burnt binder escapes from the green layer through the pores, while leaving the inorganic powder which is not bound by the binder; and (e) repeating steps (b) to (d). | 11-21-2013 |
20140175693 | Method of Fabricating a Porous Orthopedic Implant - A tissue scaffold fabricated from bioinert fiber forms a rigid three-dimensional porous matrix having a bioinert composition. Porosity in the form of interconnected pore space is provided by the space between the bioinert fiber in the porous matrix. Strength of the porous matrix is provided by bioinert fiber fused and bonded into the rigid three-dimensional matrix having a specific pore size and pore size distribution. The tissue scaffold supports tissue in-growth to provide osteoconductivity as a tissue scaffold, used for the repair of damaged and/or diseased bone tissue. | 06-26-2014 |
20140210122 | Porous Manganese Oxide Absorbent for Lithium Having Spinel Type Structure and a Method of Manufacturing the Same - The present invention relates to a porous manganese oxide-based lithium absorbent and a method for preparing the same. The method includes the steps of preparing a mixture by mixing a reactant for the synthesis of a lithium-manganese oxide precursor powder with an inorganic binder, molding the mixture, preparing a porous lithium-manganese oxide precursor molded body by heat-treating the molded mixture, and acid-treating the porous lithium-manganese oxide precursor molded body such that lithium ions of the porous lithium-manganese oxide precursor are exchanged with hydrogen ions, wherein pores are formed in the lithium-manganese oxide precursor molded body by gas generated in the heat treatment. The porous manganese oxide-based lithium adsorbent according to the present invention is easy to handle and has many more adsorption reaction sites compared to existing molded adsorbents, thus providing high lithium adsorption efficiency. | 07-31-2014 |
20150329961 | CARBON NANOTUBE FOAMS WITH CONTROLLABLE MECHANICAL PROPERTIES - Syntheses of carbon nanotubes (CNT) are disclosed. The syntheses can take place on a thermally oxidized silicon surface placed inside a furnace prior to a reaction. The setup can have many variables that could affect the resulting CNT arrays, including flow rate and composition of carrier gas, flow rate and composition of precursor solution, and temperature. By varying such variables the density of the resulting CNT arrays can be controlled. | 11-19-2015 |
264043000 | Including vitrification or firing | 24 |
20090008811 | Method for Producing Ceramic Honeycomb Structure - A method for producing a ceramic honeycomb structure comprising the steps of mixing and blending at least a ceramic material and a pore-forming material to form a moldable material, extrusion-molding the moldable material, and drying and sintering the resultant molded honeycomb article, the amount of the pore-forming material added being adjusted depending on the packed bulk density of the pore-forming material. | 01-08-2009 |
20090057939 | Fugitive Pore Former For Porous Ceramic Articles - Disclosed are ceramic batch compositions for forming porous ceramic articles. The ceramic forming precursor batch compositions include ceramic forming inorganic batch components and a cyclododecane pore forming agent. Also disclosed are methods for manufacturing porous ceramic articles. | 03-05-2009 |
20090218711 | Method of increasing ceramic paste stiffening/gelation temperature by using a salt and precursor batch - The present invention provides a ceramic precursor batch composition comprising inorganic ceramic-forming ingredients, a binder, an aqueous solvent and a chaotropic agent. The presence of the chaotropic agent provides a composition with a lower viscosity and/or a greater batch stiffening temperature allowing for increased extrusion feedrates. Methods for producing a ceramic honeycomb body using the ceramic precursor batch composition of the present invention are also provided. | 09-03-2009 |
20090295007 | High Porosity Cordierite Honeycomb Articles - Methods of making a porous cordierite ceramic honeycomb article are provided. In example methods, a batch composition includes a quantity of non-crosslinked pore former provided as a superaddition of about 20% or less of a dry weight of a quantity of inorganic components. Batch compositions are also provided that include a quantity of clay and other substantially nonfibrous inorganic components sufficient to yield an article including cordierite. Example batch compositions can include clay having a median particle size of about 7 μm or less and/or provided in an amount that is 10% or less of the dry weight of the quantity of inorganic components. | 12-03-2009 |
20100252946 | METHOD FOR THE PRODUCTION OF CELLULAR CONCRETE AND FOAMED CONCRETE, AND SYSTEM FOR CARRYING OUT THE METHOD - Process for the production of aerated-concrete or foamed-concrete moldings with envelope densities ≦450, where a cement- and sulfate-carrier-free lime formulation is produced, made of a CaO component made of a lime or lime hydrate and of an SiO | 10-07-2010 |
20100283169 | Electrolytic cell diaphragm/membrane - This invention is directed toward process and material optimization of electrolytic cell separation processes designed to generate consistent electrolytic solutions in a better salt-converting and efficient manner, as well as to increase the amount of free available chlorine generated by the electro-chemical activation of the salt. This is generally accomplished by provision of ceramic diaphragm and/or polymer membranes characterized by optimal design, construction, manufacturing, and assemblage to exacting and precise specifications with respect to chemical and material compositions, slurry formulations, ceramic mold tolerances, ceramic firing and curing conditions, dimensional measurements for thickness, dimensional measurements for gapping and placement between the anode and cathode electrodes, and machining tolerance control. | 11-11-2010 |
20110074059 | POROUS CERAMIC PREPARATION METHOD - A porous ceramic member preparation method includes the step of mixing powdered silicon carbide and a resin at a predetermined ratio with a solvent to form a paste for enabling the resin to be covered on the surface of the powdered silicon carbide and the solvent to be fully vaporized, the step of processing the paste into a predetermined shape, the step of heating the shaped material at a low heating temperature to cure the resin, and the step of sintering the shaped material into a ceramic member having pores therein. | 03-31-2011 |
20130307176 | Single-Fire Two-Step Soak Method - A method for making a cordierite filter article, including:
| 11-21-2013 |
20130307177 | METHOD FOR MANUFACTURING POROUS CERAMIC BODIES WITH GRADIENT OF POROSITY - Provided is a method of manufacturing porous ceramic bodies with gradient of porosity, in which a gradient that is continuous to a pore size and porosity is precisely controlled in a simple way. The method includes the steps of: obtaining molded bodies by pressurizing and molding a mixture of powder obtained by mixing ceramic powder and polymer powder at a weight ratio of | 11-21-2013 |
20130334723 | BORON CARBIDE BASED MATERIALS AND PROCESS FOR THE FABRICATION THEREOF - Disclosed is a method for fabricating a solid article from a boron carbide powder comprising boron carbide particles that are coated with a titanium compound. Further disclosed herein are the unique advantages of the combined use of titanium and graphite additives in the form of water soluble species to improve intimacy of mixing in the green state. The carbon facilitates sintering, whose concentration is then attenuated in the process of forming very hard, finely dispersed Ti B2 phases. The further recognition of the merits of a narrow particle size distribution B4C powder and the use of sintering soak temperatures at the threshold of close porosity which achieve post-HlP ed microstructures with average grain sizes approaching the original median particle size. The combination of interdependent factors has led to B4C-based articles of higher hardness than previously reported. | 12-19-2013 |
20140084505 | BLENDED ALUMINAS TO CONTROL ALUMINUM TITANATE PROPERTIES - A method of making an aluminum titanate ceramic article including:
| 03-27-2014 |
20140103560 | CERAMIC HONEYCOMB STRUCTURE AND ITS PRODUCTION METHOD - A ceramic honeycomb structure having a large number of flow paths partitioned by porous cell walls, the cell walls meeting the conditions; (a) the cell walls having porosity of 55-80%, (b) the cell walls having a median pore diameter D50 (measured by mercury porosimetry) of 5-27 μm, (c) pores open on cell wall surfaces having an opening area ratio of 20% or more, (d) pores open on cell wall surfaces having a median opening diameter d50 (determined from equivalent circle diameters on an area basis) of 10-45 μm, (e) the density of pores open on cell wall surfaces having equivalent circle diameters of 10 μm or more and less than 40 μm being 350/mm | 04-17-2014 |
20140374938 | PROCESS FOR MAKING A CERAMIC ARTICLE - Disclosed is a process for producing ceramic particles, such as proppants, that have at least 10 percent total porosity. The process includes forming a particle precursor that includes 5 percent to 30 percent of a first ceramic material and at least 40 percent of a second ceramic material. The sintering temperature of the first ceramic material may be lower than the sintering temperature of a second ceramic material. Heating the precursor to a maximum temperature above the sintering temperature of the first material and below the sintering temperature of the second material. Also disclosed is a ceramic article that has a particular combination of chemistry and alumina crystalline phase. | 12-25-2014 |
20150102516 | CROSSLINKED STARCHES FOR PORE FORMING IN CERAMICS - Disclosed herein are green bodies comprising at least one ceramic-forming powder; at least one binder; and at least one cross-linked starch present in an amount of at least about 20% by weight as a super addition. Further disclosed herein is a method of making a porous ceramic body comprising mixing at least one ceramic-forming powder, at least one solvent such as water, at least one binder, and at least one cross-linked starch present in an amount of about 20% by weight as a super addition to form a batch composition; extruding the batch composition to form a green body; drying the green body; and firing the green body to form a porous ceramic body. Also disclosed herein are methods of screening a green body for making a porous ceramic body. | 04-16-2015 |
20160083296 | LOW-TEMPERATURE FAST-FIRED LIGHTWEIGHT CERAMIC HEAT INSULATION PLATE AND PREPARATION METHOD THEREOF - A low-temperature fast-fired lightweight ceramic heat insulation plate and a preparation method thereof. The preparation method comprises: performing ball milling and powder spraying on a raw material containing foamable ceramic waste slag to prepare foamable powder, the foamable ceramic waste slag accounting for 80-100 wt % of the weight of the raw material; uniformly mixing 100 weight portions of the foamable powder with 3-15 weight portions of granular powder of a low-melting-point organic matter to obtain mixed powder materials; pressing the mixed powder materials under 10-20 MPa to prepare a ceramic green body; and firing the ceramic green body at a temperature of 1100-1170° C. to prepare the lightweight energy-saving ceramic heat insulation plate. | 03-24-2016 |
20160251271 | CERAMIC LAMELLAR COMPOSITES | 09-01-2016 |
264044000 | Burning out components to form pores | 8 |
20090096121 | METHOD OF PRODUCING OPEN-CELL INORGANIC FOAM - The present invention provides a method of producing low-density open-cell inorganic foam. The method includes the steps of providing a dry powder mixture containing at least inorganic particles, soluble space-filler particles, and solid organic binder; shaping the dry powder composition into a preform by pouring it in a mold having a given form; heating the preform to melt the organic binder; solidifying the organic binder to obtain a solid perform; removing at least the space-filler from the solid preform by dissolution in an appropriate solvent; heating and maintaining the material at a temperature sufficient to burn-out the remaining organic binder; and finally sintering the remaining inorganic material to obtain an open-cell inorganic foam. | 04-16-2009 |
20100052200 | Method For Porous Ceramic Honeycomb Shrinkage Reduction - A method for reducing shrinkage variability of ceramic honeycombs formed from batch mixtures including inorganic materials and a pore former. X is a cumulative amount of pore former particles having a diameter less than 37 μm. There is a maximum value of X (Xmax) and a minimum value of X (Xmin) during a production period, and ΔX=Xmax−Xmin. The method fixes an amount of pore former fines such that X ranges from 25%-71% by volume, and ΔX is ≦23% throughout the production period. | 03-04-2010 |
20110121478 | Methods for Manufacturing Low Back Pressure Porous Cordierite Ceramic Honeycomb Articles - Disclosed are porous ceramic honeycomb articles, such as filters, which are composed predominately of a cordierite composition. The ceramic honeycomb articles possess a porous microstructure characterized by a unique combination of relatively high porosity (>45%), and moderately narrow pore size distribution wherein greater than 15% and less than 38% of the total porosity exhibits a pore diameter less than 10 μm, and low CTE wherein CTE≦6.0×10 | 05-26-2011 |
20110291313 | Methods For Forming Ceramic Honeycomb Articles - Processes for manufacturing porous ceramic honeycomb articles are disclosed. The processes include mixing a batch of inorganic components with processing aids to form a plasticized batch. The batch of inorganic components include talc having d | 12-01-2011 |
20120119401 | Production of carbonaceous porous bodies for use in filtration systems - A porous, carbonaceous body for use in respiratory protection is produced by making a slurry of carbonaceous powder such as carbon black, a polymeric binder such as polyvinyl alcohol and a solvent, drying and grinding the slurry to yield a ground powder, compacting the powder and heat treating the resulting green body. Alternatively, the slurry is only partially dried to produce a paste, which is compacted and then heat treated. A reactive monomer (plasticizer of cross-linking agent) can be added to the polymeric binder. | 05-17-2012 |
20140070441 | POROUS CERAMIC HONEYCOMB ARTICLES AND METHODS FOR MAKING THE SAME - A porous ceramic honeycomb article comprising a honeycomb body formed from cordierite ceramic, wherein the honeycomb body has a porosity P %≧55% and a cell channel density CD≧150 cpsi. The porous channel walls have a wall thickness T, wherein (11+(300−CD)*0.03)≧T≧(8+(300−CD)*0.02), a median pore size≦20 microns, and a pore size distribution with a d-factor of ≦0.35. The honeycomb body has a specific pore volume of VP≦0.22. The porous ceramic honeycomb article exhibits a coated pressure drop increase of ≦8 kPa at a flow rate of 26.5 cubic feet per minute when coated with 100 g/L of a washcoat catalyst and loaded with 5 g/L of soot. | 03-13-2014 |
20140167304 | HONEYCOMB STRUCTURE, MANUFACTURING METHOD THEREOF, AND CATALYST CARRYING HONEYCOMB STRUCTURE - There is disclosed a honeycomb structure onto which a large amount of catalyst can be carried while suppressing an increase in pressure drop. In a honeycomb structure comprising porous partition walls by which a plurality of cells that become through channels of a fluid are partitioned and in which a plurality of pores are formed. In each of the partition walls, pores having pore diameters larger than a thickness of the partition wall in a section thereof which is perpendicular to an extending direction of the cells are formed so as to occupy 4 to 11% of the total volume of the pores formed in the partition walls. | 06-19-2014 |
20150035192 | POROUS CERAMIC AND METHOD OF MAKING - A method for forming a porous ceramic includes forming a mixture having at least one ceramic precursor and at least one pore-forming material and heating the mixture to oxidize the ceramic precursor and vaporize the pore-forming material. | 02-05-2015 |