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8084384 |
Magnesium aluminosilicate clays—synthesis and catalysis
This invention is directed to a synthesis process for preparing magnesium aluminosilicate clays and to the products of said process. Briefly, a silicon component, an aluminum component, and a...
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8007696 |
Method for preparing a porous ceramic material with high heat resistance
The present invention relates to a method for preparing a porous ceramic material, particularly for thermal insulation, comprising the steps of: providing a first composition in the form of a...
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7736611 |
Agglomerates of precipitated silica, method for their preparation and their use as filter medium for gas filtration
A method of producing a material including agglomerated particles of precipitated silica, including preparing a solution of at least two metal salts (Me), wherein the metal ions are divalent or...
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7662306 |
Polysilicate microgels
The present invention generally relates to polysilicate microgels. More specifically, the invention relates to a process for preparing aqueous polysilicate microgels which comprises mixing an...
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7605110 |
Ceramic body, ceramic catalyst body and related manufacturing methods
A ceramic body, a ceramic catalyst body, a ceramic catalyst body and related manufacturing methods are disclosed wherein a cordierite porous base material has a surface, formed with acicular...
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7560092 |
Method for preparing an aluminosilicate polymer and the polymer resulting from this method
The present invention relates to a method for preparing an aluminosilicate polymer and the polymer resulting from this method. Said method consists in treating an aluminum halide with an alkyl...
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7470346 |
Aqueous compositions and their use in the manufacture of paper and paperboard
A process of preparing an aqueous composition comprising a polysilicate, wherein the composition is a substantially uniform liquid when measured at 25° C., comprising the steps of, i) providing an ...
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7416714 |
Preparation of hydroxysodalite
The invention is directed to a process and method for forming synthetic hydroxysodalite from nepheline and feldspar and/or nepheline syenite. A caustic material such as a solution of sodium...
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7169348 |
Method of making metal oxide nanoparticles in an exfoliated silicate framework
A method of producing metal oxide nanoparticles in an exfoliated silicate framework by forming an aqueous exfoliated silicate suspension by mixing a layered clay into water until clear. To which is...
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7166271 |
Silica-coated boehmite composites suitable for dentifrices
Disclosed is a composite material comprising a boehmite substrate coated with a precipitated silica, the composite having a BET specific surface area of from 1 m2/g to 50 m2/g, such that the...
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7097818 |
Silica and silicate by precipitation at constant alkali number, and its use
Precipitated silica or silicates, obtainable by acid precipitation of aqueous silicate solutions while maintaining a constant alkali number of at least 1.
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6890502 |
Synthetic clay compositions and methods for making and using
Selected smectites may be synthesized from a wide variety of components. Morphology, purity, size, and/or shape of the selected smectite may be controlled by mixing the clay smectite formatives,...
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6699451 |
Inorganic polymer based on aluminium and silicon
An inorganic polymeric aluminosilicate material and a method for preparing the same, are disclosed. Instead of having a fibrous structure, the material has a structure consisting of spindles with a...
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6620397 |
Material and method for treating photographic effluents
The present invention relates to a material and a method for treating of photographic effluents in order to eliminate microorganisms and pollutant by-products so as to control bacterial growth and...
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6565643 |
Process for preparing synthetic clay minerals
The invention pertains to a process for preparing a synthetic clay mineral which comprises silicon, aluminum, and at least one octahedron ion, which clay mineral has a total content of sodium and...
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6468492 |
Method to prepare an aluminosilicate polymer
The invention relates to a method to prepare an aluminosilicate polymer of the imogolite type. The method consists in treating an aluminium halide, with an alkyl orthosilicate, with an aqueous...
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6438998 |
Ultrasonic dispersion apparatus for silica sol
Disclosed are apparatus and method for ultrasonically dispersing a silica sol such as is used in a process of manufacturing a silica glass by a sol-gel method. The apparatus includes a sol feeder...
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6296825 |
Inorganic polymer based on aluminum and silicon
An inorganic polymeric aluminosilicate material and a method for preparing the same, are disclosed. Instead of having a fibrous structure, the material has a structure consisting of spindles with a...
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6294493 |
Silicoaluminophosphates having an AEL structure
Disclosed are silicoaluminophosphates (SAPOs) having unique silicon distributions and high catalytic cracking activity, a method for their preparation and their use as FCC catalysts. More...
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6254845 |
Synthesis method of spherical hollow aluminosilicate cluster
The present invention provides a method for the homogenous and highly efficient synthesis of an aluminosilicate material that can be used for adsorbents, deodorants, catalyst carriers, humidity...
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6241893 |
Water filtration media, apparatus and processes
An amorphous potassium aluminosilicate filtration media which may be mixed with activated carbon filters water to remove oxygen, chlorines, hardness, alkalinity, ammonia, hydrogen, hydrogen...
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6221332 |
Multiple stream high pressure mixer/reactor
Enhanced macromixing, mesomixing, and micromixing of multiple discrete reactant streams, particularly for precipitation reactions of low density pumpable fluids, are obtained by controlled...
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6207721 |
Aluminum silicate suspension
An aqueous aluminium silicate suspension having a content of aluminium silicate of at least 30 wt. % is prepared by liquefaction of the aluminium silicate filter cake or by dispersion of aluminium...
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6071485 |
Process for the preparation of a micro-meso porous material with a high surface area and controlled distribution of the porosity
The present invention relates to a process for the preparation of a micro-meso porous material which comprises: a) preparing a mixture starting from a tetraalkylorthosilicate, a C3 -C6 alkyl...
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6068694 |
Silica based aggregates, elastomers reinforced therewith and tire with tread thereof
This invention relates to aggregates comprised of particles which contain silicon dioxide and to elastomers reinforced therewith. The invention also relates to tires having treads composed of such...
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6060523 |
Continuous process for preparing microgels
Silica deposits formed during a continuous process for preparing polysilicate microgel are removed and purged form the process by elastically deforming the vessel walls, reducing plugging.
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6051202 |
Method for preparing far-infrared radiating material
A process for preparing far-infrared radiating material. More particularly, this invention relates to a process for preparing far-infrared radiating material which makes maximum use of thermal...
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6039929 |
Synthesis of monoclinic celsian
A process for producing monoclinic celsian comprising the steps of forming a mixture of an alkoxide of silica, an alkoxide of aluminum, and a salt of barium; adding a catalyst of a fluorine...
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6017505 |
Method of producing inorganic aerogels under subcritical conditions
Preparation of inorganic aerogels based on oxides of the metals magnesium, aluminum, silicon, tin, lanthanum, titanium, zirconium, chromium and/or thorium by producing a hydrogel in a sol/gel...
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5989714 |
Synthetic mineral microparticles
A composition comprising the product precipitated in the admixing of a soluble metal salt and one or more compounds having a component selected from silicates, phosphates and borates; and a method...
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5962352 |
Method for fabricating porous composite oxide
A method for fabricating a porous composite oxide is provided. The method includes the steps of: (a) slowly mixing a solution including a silicon oxide source and a solution including an aluminum...
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5919427 |
Amorphous aluminosilicate and process for producing the same
Disclosed are an amorphous aluminosilicate wherein the total volume of the pores having a diameter of from 103 angstroms to 105 angstroms as measured by the mercury penetration method accounts for...
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5910400 |
Antistatic composition and photographic element containing a layer of this composition
The invention concerns a homogeneous aqueous film-forming composition comprising a latex and an inorganic antistatic substance. The latex can be a polystyrene, and the antistatic substance is an...
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5888466 |
Process for preparing amorphous, catalytically active silicoaluminas
An amorphous, micro/mesoporous silica-alumina gel with controlled pore size, having a surface area of at least 500 m2 /g and with a molar ratio of SiO2 :Al2 O3 of at least 30:1, is prepared by...
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5879655 |
Method of making microporous non-zeolitic molecular sieves
The present invention is a method for synthesizing non-zeolitic molecular sieves which have a three-dimensional microporous framework structure comprising AlO2 ! and PO2 ! units. In preparing the...
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5858320 |
Process for preparing ultrafine aluminum silicate salt particles
A process for preparing ultrafine aluminum silicate salt particles, said process comprising the steps of admixing a solution of aluminum chloride with water glass to form an aluminum silicate gel,...
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5853616 |
Method for preparing low-concentration polyaluminosilicate microgels
An improved method and apparatus for preparing low-concentration polyaluminosilicate microgels from a water soluble silicate and an alkali metal aluminate in which the silicate and the aluminate...
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5766564 |
Process for making aluminosilicate for record material
A process for the production of an aluminosilicate containing at least 9 weight percent alumina, having a BET surface area of 300-600 m2 /g, and an average pore volume of of 0.2-0.5 ml/g is...
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5731261 |
Process for the preparation of mixed porous silica-alumina oxides in a spherical form
The present invention relates to a process for the preparation of mixed porous oxides with a spherical morphology and the oxides themselves thus obtained.This process consists in emulsifying, in an...
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5720806 |
Filler for ink jet recording paper
The invention provides a filler for ink jet recording paper which is composed of an amorphous silica containing 0.3-1.0% by weight of Al2 O3 and having a BET specific surface area of 250-400 m2 /g,...
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5599520 |
Synthesis of crystalline porous solids in ammonia
A process of preparing a crystalline porous solid selected from silicas and metallosilicates, such as, aluminosilicate zeolites or clathrasils. The process involves preparing a reaction mixture...
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5595716 |
Synthetic mixed-layer silicate and method for the preparation thereof
A novel synthetic mixed-layer silicate consisting of the layers of serpentine and layers of saponite each having a specified chemical composition is proposed, which has excellent dispersibility in...
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5552076 |
Anhydrous amorphous ceramics as the particulate phase in electrorheological fluids
An electrorheological fluid that includes a dispersed particulate phase of anhydrous amorphous ceramic particles. The anhydrous amorphous ceramic particles can be of a very precisely tailored...
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5531974 |
Flux grown, monosize oxide particles
The preparation of an amorphous gel of a hydrated oxide is coupled with the technique of controlled seeding to obtain monosize crystallized particles. Crystalline oxide particles, such as...
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5503819 |
Substituted fluoride smectite clays, process for preparing the clay and uses thereof
Novel fluoride containing substituted smectite clays are disclosed as well as their preparation and uses. The clay has the formula Ax (My M'4--y)(Si8--x Mt M'v)O20 (OH)4--u Fuwhere A is a cation, M...
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5500199 |
Bonded zeolites and process for preparing them
Zeolites having a pore diameter comprised within the range of from 5 to 12 Å are bonded with amorphous oligomeric silica, by dispersing them in an aqueous solution of silica and alkylammonium h...
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5354548 |
Porous three-dimensional inorganic oxide structure with myriad cavities interconnected by holes
This invention provides a three dimensional inorganic oxide structure comprising a myriad of cavities interconnected by holes having a narrow pore size distribution, in which the diameters of the...
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5346681 |
Synthetic aluminosilicates and their use as heterogeneous equilibration catalysts
A synthetic aluminosilicate was prepared by (I) forming a gel by hydrolysis, with water or a mixture of water and alkanol, at a pH of 7.0 to 9.5, of (a) 10 to 90 mol percent of monomeric and/or...
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5330736 |
Zeolite L synthesis and resulting product
Zeolite L is made from an aqueous precursor mixture that contains from 0.1 to about 10% by weight of an amorphous aluminosilicate seeding gel which does not contain zeolite L. Using this mixture...
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5310714 |
Synthesis of zeolite films bonded to substrates, structures and uses thereof
A method for synthesizing a zeolite bonded to a substrate utilizes a reaction mixture having a H2 O/YO2 molar ratio of at least 25 and Y is a tetravalent element, particularly silicon.A structure...
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