Class / Patent application number | Description | Number of patent applications / Date published |
502407000 | Silicon containing | 29 |
20090258783 | Enhanced Material for Treatment of Contamination - An enhanced material formed from a carrier material having a high porosity. The carrier material is treated with a mixture of hydrated 1,2,3-propanetriol and water soluble polymers to increase the adherence of the carrier material particles to one another to minimize atmospheric contamination of the carrier materials in use and to increase the water absorption of the material. The material has particular applicable to environments where such contamination would create problems, such as food processing and preparation environments, computer operations, electronic component manufacturing and other environments. | 10-15-2009 |
20100075845 | Method and Apparatus for an Extruded Ceramic Biosoluble Fiber Substrate - A porous ceramic substrate is disclosed that is fabricated from biosoluble ceramic fibers. Porosity and permeability of the substrate is provided by intertangled biosoluble fibers, that can be formed into a honeycomb form substrate through an extrusion process. The fibrous structure is formed from mixing biosoluble fibers with additives that include a bonding agent, and a fluid to provide an extrudable mixture. The structure is sintered at a temperature that exceeds the glass formation temperature of the bonding agent, but less than the maximum operational limits of the biosoluble fiber, to form a structure that has sufficient strength and porosity to provide for filtration and/or as a catalytic host. | 03-25-2010 |
20100075846 | HYDROTHERMALLY STABLE ALUMINA - The hydrothermal stability of transition aluminas used as adsorbents and catalyst carriers is improved through their treatment with a soluble silicon inorganic compound such as sodium silicate wherein the silicon compound is mixed with the alumina powder at the production stage of forming particulates by liquid addition. The silicon containing particulates are activated by heating at a temperature lower than 500° C. and treated, before or after the thermal activation, by a colloidal silica solution to produce a hydrothermally stable, low dust alumina. The total silica content of the final product is typically less than 5 mass-%. | 03-25-2010 |
20100152042 | COMPOSITIONS COMPRISING METAL-MODIFIED SILICA NANOPARTICLES - A composition comprising particles with a transition metal imbedded therein is disclosed. Specifically, the ratio of particles to the transition metal is from about 25:1 to about 50:1. The composition is prepared in the presence of ultrasonic energy. The particles are selected from the group consisting of organic particles, inorganic particles, and metal particles. | 06-17-2010 |
20110257008 | METHOD FOR MAKING HIGHLY POROUS, STABLE METAL OXIDES WITH A CONTROLLED PORE STRUCTURE - Methods for making high-surface area, high-porosity, stable metal oxides, such as, but not limited to materials used as adsorbents and catalyst supports include (i) forming a solvent deficient precursor mixture from a metal salt and a base and reacting the metal ions and base ions in the solvent deficient precursor mixture to form an intermediate hydroxide product (e.g., metal hydroxide or metal oxide hydroxide), (ii) causing the intermediate hydroxide to form nanoparticles (e.g., by heating), and (iii) calcining the intermediate nanoparticles to sinter the nanoparticles together and yield a highly porous, stable metal oxide aggregate having a pore structure. | 10-20-2011 |
20120238445 | POROUS SIO2-XEROGEL WITH A CHARACTERISTIC PORE SIZE, STABLE DRYING PRECURSORS THEREOF AND USE OF SAME - A porous SiO2 xerogel is produced using temporary pore fillers or solid skeletal supports, which are removed by thermal oxidation at the end of the production process (e.g. carbon or organic), by means of a sol-gel-process by subcritical drying of the gel. The SiO | 09-20-2012 |
20140155260 | COMPOSITION AND PROCESS FOR MERCURY REMOVAL - A process for removing mercury from a gas or liquid phase, wherein the gas or liquid phase containing mercury is placed in contact with a composition comprising a precipitated metal sulfide. The precipitated metal sulfide may be made by the process of combining a metal source, sulfide source, and modifier to form the precipitated metal sulfide. The metal source may comprise iron, cobalt, nickel, copper, zinc, zirconium, molybdenum, silver, or gold salts. The metal salt may be selected from metal nitrate, metal sulfate, metal phosphate, metal acetate, metal carbonate, metal hydroxide, metal ammonium carbonate, and metal hydroxycarbonate. The sulfide source is selected from hydrogen sulfide (H | 06-05-2014 |
20140309106 | ALUMINUM SILICATE, METAL ION ADSORBENT, AND METHOD FOR PRODUCING SAME - The aluminum silicate of the invention has: an element ratio of Si and Al, represented by Si/Al, of from 0.3 to 1.0 by molar ratio; a peak at approximately 3 ppm in a | 10-16-2014 |
20140329673 | POROUS PARTICLES FOR LIQUID CHROMATOGRAPHY AND PROCESSES FOR THE PREPARATION THEREOF - Superficially porous silica particles are provided as well as a one-pot process for making the superficially porous particles, the process comprising hydrolyzing and condensing a silica precursor comprising a functional group to form superficially porous particles, the superficially porous particles comprising silica microparticles having silica nanoparticles bound to the surface of the microparticles. The nanoparticles provide a porous outer layer on the microparticles. The superficially porous particles are useful as a stationary phase in liquid chromatography and allow for fast mass transfer and separation of samples | 11-06-2014 |
20150336864 | SYSTEMS AND METHODS FOR GAS TREATMENT - A system and process for the recovery of at least one halogenated hydrocarbon from a gas stream. The recovery includes adsorption by exposing the gas stream to an adsorbent with a lattice structure having pore diameters with an average pore opening of between about 5 and about 50 angstroms. The adsorbent is then regenerated by exposing the adsorbent to a purge gas under conditions which efficiently desorb the at least one adsorbed halogenated hydrocarbon from the adsorbent. The at least one halogenated hydrocarbon (and impurities or reaction products) can be condensed from the purge gas and subjected to fractional distillation to provide a recovered halogenated hydrocarbon. | 11-26-2015 |
20160184800 | MULTICAPILLARY MONOLITH - The invention relates to a monolithic porous material made of amorphous silica or activated alumina, comprising substantially rectilinear capillary channels that are parallel to one another, wherein:
| 06-30-2016 |
502408000 | Acid treated | 1 |
20100113265 | Carbon Dioxide Adsorbent capable of Adsorption and Desorption in dependence on Pressure of Atmospheric Pressure or Higher - Provided is an adsorbent adapted to adsorb carbon dioxide by increasing the pressure, and to carry out 10% or more adsorption and adsorption of the adsorbed carbon dioxide by lowering the pressure at atmospheric pressure or higher in a range of 100 to 900 kPa without vacuuming or the like. As a result of using amorphous aluminum silicate with a Si/Al ratio of 0.7 to 1.0 and having a peak in the vicinity of −78 ppm and −87 ppm in a | 05-06-2010 |
502410000 | Magnesium silicate (e.g., abestos, vermiculite, etc.) | 5 |
20080305951 | Method for Incorporating a Functional Additive within a Porous Material - The invention relates a method for incorporating a functional additive within a porous material, which method comprises impregnating the porous material with a slurry of a nano-sized material that carries the functional additive, wherein in the slurry the weight ratio of the additive (A) and the nano-sized material (B) is in the range of from 0.01 to 1.0 (A/B). The invention further relates to a porous material obtainable by said method. | 12-11-2008 |
20110130276 | Reticular Cordierite Composition, Article And Manufacture Thereof - A porous ceramic material is disclosed having a principal cordierite phase, the porous ceramic material exhibiting a normalized strength greater than 20 MPa. The cordierite phase has a reticular microstructure. A method for forming a porous ceramic body having a predominant phase of cordierite is provided which includes forming a body from a plasticized mixture of inorganic ceramic-forming ingredients that include a magnesia source, a silica source, and an alumina source, the alumina source including alumina-containing elongated particles, wherein at least 90 wt % of the alumina-containing elongated particles have a length of 50 to 150 μm, and then firing the body. | 06-02-2011 |
20160023184 | Method of preparing adsorbent for phosphorus adsorption and adsorbent prepared by the same - The present invention relates to a method for preparing an adsorbent for phosphorus adsorption and an adsorbent prepared by the method. More specifically, the present invention is based on the fact that phosphorus has a strong affinity for the surface of metal oxides or hydroxides, and relates to a method for preparing an adsorbent for phosphorus adsorption, which comprises absorbing and coating expanded vermiculite with aluminum and heating the coated vermiculite at high temperature to produce aluminum oxide on the surface of the expanded vermiculite so that the adsorption of phosphorus at the coordination of the oxide can be achieved with very high efficiency by a strong attraction between phosphorus ions and aluminum ions, and to an adsorbent prepared by the method. | 01-28-2016 |
20160193587 | SORBENT COMPOSITIONS HAVING PNEUMATIC CONVEYANCE CAPABILITIES | 07-07-2016 |
20160375422 | ADSORPTION MATERIAL AND METHOD OF FABRICATING THE SAME - Provided is an adsorption material including a plurality of porous silicate particles having a glass-phase structure and including silicon oxide, aluminum oxide, barium oxide, strontium oxide and boron oxide. An average pore size of the plurality of porous silicate particles is in a range of from 3 nm to 50 nm, and a zeta potential of the plurality of porous silicate particles is negative at a pH value of from 1 to 5. A method of fabricating the adsorption material is further provided. | 12-29-2016 |
502411000 | Having extraneously added alkali metal, or alkaline earth metal | 4 |
20110111955 | HYDROTHERMALLY STABLE ALUMINA - The hydrothermal stability of transition aluminas used as adsorbents and catalyst carriers is improved through their treatment with a soluble silicon inorganic compound such as sodium silicate wherein the silicon compound is mixed with the alumina powder at the production stage of forming particulates by liquid addition. The silicon containing particulates are activated by heating at a temperature lower than 500° C. and treated, before or after the thermal activation, by a colloidal silica solution to produce a hydrothermally stable, low dust alumina. The total silica content of the final product is typically less than 5 mass-%. | 05-12-2011 |
20140171305 | Diatomaceous Earth Filter Aid Containing a Low Crystalline Silica Content - A diatomaceous earth product with low crystalline silica content after at least one calcination step of between about 927° C. (1700° F.) and about 1149° C. (2100° F.) is disclosed. The product comprises natural diatomaceous earth and at least one binding agent comprising potassium silicate. Further the product comprises no more than about 4.0 wt % of crystalline silica and has a permeability in the range of about 0.3 darcy to greater than about 20 darcy. A process for making such diatomaceous earth product with a low crystalline silica content is disclosed. Moreover, a diatomaceous earth filter aid comprising such a diatomaceous earth product is disclosed. | 06-19-2014 |
20150321166 | METHOD OF MANUFACTURING LITHIUM SILICATE-BASED HIGH-TEMPERATURE DRY SORBENT FOR REMOVING CARBON DIOXIDE AND HIGH-TEMPERATURE DRY CARBON DIOXIDE SORBENT - Provided are a method of manufacturing a lithium silicate-based high-temperature dry sorbent for removing carbon dioxide and a high-temperature dry sorbent. The manufacturing method includes forming a mixed raw material by mixing a lithium precursor, silicon oxide and a metal oxide, obtaining a lithium silicate solid by drying the mixed raw material, and baking the obtained lithium silicate solid. | 11-12-2015 |
20160059208 | Reduced Crystalline Silica Diatomaceous Earth Products and Methods of Manufacturing the Same - Diatomaceous earth products with reduced amounts of cristobalite and higher Y values are disclosed. The diatomaceous earth products are prepared in a conventional manner to produce a flux-calcine diatomaceous earth. The flux-calcine diatomaceous earth is mixed with potassium hydroxide and the mixture is then heated. The combination of the potassium hydroxide and post-calcining heat treatment results in a diatomaceous earth product with reduced amounts of cristobalite and a whiter, brighter appearance. | 03-03-2016 |
502412000 | Diatomaceous earth | 4 |
20090181848 | CRYSTALLINE SILICA-FREE DIATOMACEOUS EARTH BLENDED FILTER AIDS AND METHODS OF MANUFACTURING THE SAME - A method of producing a range of diatomaceous earth blended filter aids having selectable permeabilities and less than about 1 percent by weight total of crystalline silica and less than about 0.1% by weight total of respirable crystalline silica. The method includes milling diatomaceous earth ore to a size range of between about 100 micrometers and about 1400 micrometers; calcining the milled diatomaceous earth in a calciner; milling the calcined diatomaceous earth in an adjustable milling and classification system to produce diatomaceous earth filter aids, and blending the diatomaceous earth with expanded perlite to form a low bulk density and low solubility filter aid. | 07-16-2009 |
20090264287 | Processes for Reducing Beer Soluble Iron in Diatomaceous Earth Products, Diatomaceous Earth Products and Compositions Thereof, and Methods of Use - Processes for preparing diatomaceous earth filter aids having a reduced beer soluble iron content, diatomaceous earth filter aids and compositions comprising the same, and methods for using the improved diatomaceous earth filter aids are disclosed herein. Further disclosed herein are processes for reducing beer soluble iron content by saturated steam treatment of a diatomaceous earth material in an enclosed vessel. | 10-22-2009 |
20100167921 | Process for Roasting Diatomaceous Earth Ore to Reduce Organic Content - Disclosed herein is a method for processing diatomaceous earth ore comprising roasting a diatomite feed at a temperature ranging from about 850 to about 1600° F. Also disclosed herein is a method for processing a diatomite feed comprising at least one impurity to produce a diatomite product having at least one of reduced loss-on-ignition, reduced impurity content, reduced beer soluble iron content, and improved brightness as compared to the feed composition. Further disclosed herein is a system for processing a diatomite feed comprising a first heating zone for roasting the diatomite at a temperature ranging from about 850 to about 1600° F., a second zone for calcining the diatomite at a temperature of at least about 1600° F., and a counter-current flow of gas from the second heating zone to the first heating zone. | 07-01-2010 |
20140371061 | DIATOMACEOUS EARTH PRODUCT - A method of making a diatomaceous earth granulate may include spray-drying a suspension including particles of diatomaceous earth, a liquid medium, and a binder, wherein inorganic solids in the suspension include at least 80 wt % diatomaceous earth. The method may further include recovering a diatomaceous earth spray-dried granulate. A granular diatomaceous earth product obtained by the method may include substantially spherical granules, each having a shell including diatomaceous earth surrounding a hollow core. The product may be used as a filter aid or in filtration. | 12-18-2014 |
502413000 | Free carbon containing | 4 |
20110077150 | FUEL VAPOR STORAGE CANISTER, FUEL VAPOR ADSORBENT FOR CANISTER, AND METHOD OF PRODUCING FUEL VAPOR ADSORBENT - A fuel vapor storage canister for adsorbing fuel vapor evaporated from a fuel tank of an automotive vehicle. The fuel vapor storage canister includes a casing provided with charge and purge ports at its first end and an atmospheric port at its second end. At least first and second fuel vapor adsorbent layers are respectively located near the first and second ends of the casing. In this arrangement, the first fuel vapor adsorbent layer is larger in cross-sectional area perpendicular to flow direction of fuel vapor than the second fuel vapor adsorbent layer. The first and second fuel vapor adsorbent layers respectively include first and second granular fuel vapor adsorbents. The first granular fuel vapor adsorbent has a microporous structure, while the second granular fuel vapor adsorbent has a macroporous structure. | 03-31-2011 |
20130157846 | CARBON COATED SILICA PARTICLES AND METHODS OF MAKING SAME - Methods using homogeneous precipitation of a metal on a surface of a particle to prepare silica particles having the metal adsorbed thereon are disclosed herein. In certain embodiments, the silica particles having the metal adsorbed thereon can be used to prepare carbon coated silica particles. The carbon coated silica particles can be useful in a wide variety of applications including, for example, for use as sorbents in chromatography. | 06-20-2013 |
20130203589 | Carbon Composite Materials for Separations - A composite particulate material useful in analytical separations processes includes a carbon coating deposited through chemical vapor deposition on a substantially metal-free inorganic oxide particle. The resultant laminate material may be tuned for desired sorption rates and selectivities with respect to analytes of interest. | 08-08-2013 |
20140005044 | SELF SUSTAINED SYSTEM FOR SORBENT PRODUCTION | 01-02-2014 |