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| Number | Title | Issue Date |
| 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 polyvalent. A solution of alkali metal (M) silicate having a molar ratio... | 06/15/2010 |
| 7622097 | Process for hydrothermal production of sodium silicate solutions and precipitated silicas A method is provided for treating silica sand scrubs (SSS) generated and accumulated as waste in the chloride manufacturing process of titanium dioxide pigment. A hydrothermal process is used to produce sodium silicate solutions of modulus 3.0 to 3.8, and precipitat... | 11/24/2009 |
| 7442356 | Process for producing inorganic spheres To provide a process for producing inorganic spheres having a substantially uniform particle size with high productivity. In a process for producing inorganic spheres, which comprises a step of injecting an alkaline aqueous liquid containing an inorganic compound in... | 10/28/2008 |
| 7335342 | Process for the preparation of sodium silicate from Kimberlite tailing In the present invention a process for the preparation of sodium silicate from Kimberlite tailing generated as solid waste during diamond mining is disclosed. The process comprises, reacting Kimberlite tailing with mineral acid to remove acid soluble impurities foll... | 02/26/2008 |
| 7314843 | Method for synthesis of lamellar solids from an amino-alcohol-type organic structuring agent The invention relates to a process for synthesis of lamellar solids based on silicates comprising: i) a mixing stage, during which a mixture that comprises an alkaline metal, a silica source, water and an organic structuring agent ... | 01/01/2008 |
| 7285163 | Aqueous active alkali silicate solution having high molar ratio, method for production thereof and method for use thereof An alkali silicate aqueous solution having intermediate characteristics between water glass and colloidal silica and having a high molar ratio (SiO2/(A2O+B))(A: alkali metal, B: NH3), a high silicon content and a high anionic activit... | 10/23/2007 |
| 7169261 | Silica-based sols An aqueous sol containing silica-based particles which has an S-value within the range of from 10 to 45%, a viscosity within the range of from 5 to 40 cP, and a molar ratio of SiO2 to M2O, where M is alkali metal or ammonium, within the range o... | 01/30/2007 |
| 7125830 | Coolant treatment formulation A chemical formulation for treating coolant deficiencies, such as corrosion, scale, and low thermal transfer, and treating the root of most of the problems, which is water composition, and providing for preventative measures that further protect the systems that uti... | 10/24/2006 |
| 7125912 | Doped sol-gel materials and method of manufacture utilizing reduced mixing temperatures A method of preparing a solution for forming a doped gel monolith includes providing a first substance including a metal alkoxide. The method further includes providing a second substance including a catalyst. The method further includes providing a chemical includi... | 10/24/2006 |
| 7063825 | Synthetic platy magadiite and octasilicate A method for producing synthetic magadiite, including the step of: heating a liquid aqueous colloidal silica suspension, the liquid aqueous colloidal silica suspension having a mole ratio of sodium hydroxide to silica and a mole ratio of water to silica effective to... | 06/20/2006 |
| 7053040 | Autonomous cleaning composition and method A solid cleaning composition and method of manufacture are disclosed, which provide a long-term, solid cartridge made of cleaning agents and a solubility limiting agent for controlling an equilibrium concentration of the composition in a solvent, such as water. In u... | 05/30/2006 |
| 6890503 | Silica additive for use in rubbers and similar cross-linked materials The present development is a silica additive for use in rubbers and similar cross-linked materials having a silicon atom intercalated within an oxygenated framework. The additive may be prepared starting with crystalline, fused or amorphous silica powder, thereby re... | 05/10/2005 |
| 6849243 | Catalysts for the gas-phase oxidation of ethylene and acetic acid to vinyl acetate, a process for producing them and their use The invention relates to a supported catalyst and the production and use thereof in the synthesis of vinyl acetate in the gaseous phase from ethylene, acetic acid and oxygen, or from gases containing oxygen, whereby the activity and selectivity are simultaneously im... | 02/01/2005 |
| 6811602 | Process for preparing silicate porous product A process for preparing a silicate porous product, which comprises a step of forming a clay mineral into a dispersion by means of a dispersant, a step of removing gases dissolved in the dispersion, a step of freezing the dispersion and drying it in its frozen state ... | 11/02/2004 |
| 6740300 | Method for manufacturing crystalline layered sodium disilicate The present invention relates to an improved method for manufacturing a crystalline layered sodium disilicate and more particularly, to the improved method for manufacturing the crystalline layered sodium disilicate comprising the steps including the preparation of ... | 05/25/2004 |
| 6413493 | Process for producing P zeolite The invention describes a process for preparing P zeolites in which aluminate and silicate solutions are reacted in the presence of a P-zeolite seed.... | 07/02/2002 |
| 6358365 | Metal silicates, cellulose products, and processes thereof Aqueous composition, including a water-soluble metal silicate complex which includes at least one divalent metal. A process for preparing an aqueous composition including water-soluble metal silicate complex includes combining monovalent cation silicate a... | 03/19/2002 |
| 6274111 | Synthetic magnesium silicate The invention relates to a synthetic magnesium silicate having a layered crystalline structure, to a process for its preparation and to its use.... | 08/14/2001 |
| 6268424 | Precipitated silicic acid Precipitated silica having the following parameters: BET surface area 80-180 m2 /g CTAB surface area 80-139 m2 /g BET/CTAB ratio 1.0-1.6 Sears No. (consumption of 5-25 ml ... | 07/31/2001 |
| 6180710 | Addition of salts to improve the interaction of silica with rubber Incorporation of neutral water soluble inorganic salts into a precipitated silica improves the filler dispersion in a compounded rubber, reduces rolling resistance (hysteresis), and improves processability. These properties are achieved without loss of th... | 01/30/2001 |
| 6099595 | Process for the preparation of crystalline sodium silicates The invention relates to a process for the preparation of crystalline sodium silicates having a sheet structure and high δ phase content from water glass, which has been prepared hydrothermally, by dehydration of the water glass and subsequent crystalliz... | 08/08/2000 |
| 6036733 | Process for the preparation of crystalline sodium silicates The invention relates to a process for the preparation of crystalline sodium silicates having a sheet structure and high δ phase content from water glass, which has been prepared predominantly hydrothermally, by dehydration of the water glass and subsequ... | 03/14/2000 |
| 6013617 | Q2 /Q3 alkali metal silicate/inorganic compound detergent builders Pulverulent detergent compositions, particularly suitable for washing and dishwashing machines, include a surfactant and a builder therefor, such builder comprising an alkali metal silicate advantageously having a SiO2 /M2 O molar ra... | 01/11/2000 |
| 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 for controlling drainage and/or retention in the formation... | 11/23/1999 |
| 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 oxide source; (b) adding hydrochloric acid to the mixed sol... | 10/05/1999 |
| 5895637 | Process for preparing sodium disilicate having a high ion-exchange capacity The invention relates to a process for preparing sodium disilicate in the ଲ form having a high ion-exchange capacity and a molar ratio Na2 O:SiO2 of about 1:2 from a silicate source and sodium hydroxide solution at elevated tem... | 04/20/1999 |
| 5882624 | ETS-14 crystalline titanium silicate molecular sieves, manufacture and use thereof A novel crystalline titanium silicate designated ETS-14 molecular sieve is disclosed and characterized. ETS-14 may be prepared by heating ETS-10 molecular sieve in the form of an aqueous gel or incorporating crystals of ETS-10 with an aqueous source of so... | 03/16/1999 |
| 5872176 | Addition of salts to improve the interaction of silica with rubber Incorporation of neutral water soluble inorganic salts into a precipitated silica improves the filler dispersion in a compounded rubber, reduces rolling resistance (hysteresis), and improves processability. These properties are achieved without loss of th... | 02/16/1999 |
| 5814209 | Method for ecological utilization of acid effluents of fuller's earth Disclosed is a process for the ecological usage of acid effluents. Also disclosed is a sorption agent which is characterized in that an acid effluent, created from the production of fullers earth which contains as main ingredients Fe2+/3+ -, Al... | 09/29/1998 |
| 5807951 | Pharmaceutical composition regulating function of a living body The present invention provides silicate polymers which regulate the function of a living body by restoring and normalizing the lowered cell functions due to diseases. The silicate polymers are preferably water soluble. The molecular weight of the polymers... | 09/15/1998 |
| 5800800 | Crystalline inorganic oxide compositions prepared by neutral templating route This invention relates to new crystalline organic compositions having unique combinations of framework-confined uniform mesopores and textural mesopores and to a method for their preparation. The compositions typically possess a framework wall thickness o... | 09/01/1998 |
| 5800801 | MTW zeolite for cracking feedstock into olefins and isoparaffins The present invention relates to a zeolite catalyst, a process for using the catalyst for conversion of hydrocarbons, especially naphtha and LPG feedstock, and a process for preparing the catalyst.... | 09/01/1998 |
| 5785946 | Crystalline inorganic oxide compositions prepared by neutral templating route This invention relates to new crystalline organic compositions having unique combinations of framework-confined uniform mesopores and textural mesopores and to a method for their preparation. The compositions typically possess a framework wall thickness o... | 07/28/1998 |
| 5782982 | Method of removing silica or silicates from solids resulting from the strong acid hydrolysis of cellulosic and hemicellulosic materials A method of removing silica or silicates from solids results from the acid hydrolysis of materials containing cellulose and hemicellulose is disclosed. The method includes the steps of treating the solids with a metal hydroxide solution to produce an extr... | 07/21/1998 |
| 5776893 | Crystalline Hydrated layered sodium and potassium silicates and method of producing same A crystalline hydrated layered sodium and potassium silicate/amorphous sodium and potassium silicate composite material with predetermined hardness ion sequestration properties is achieved by controlling the process for forming the material. The process f... | 07/07/1998 |
| 5772979 | Aluminosilicates Process for manufacturing an alkali metal aluminosilicate of zeolite wherein zeolite P seeds are produced in situ in a first reacting gel with a SiO2 /Al2 O3 ratio of above 2.2 and it is only after the formation of zeolite... | 06/30/1998 |
| 5739098 | Crystalline sodium potassium silicates A crystalline silicate material containing both sodium and potassium cations within the crystalline matrix. Wherein the material is SiO2 /(xNa2 O+yK2 O)=Z where x+y=1, 0.75 | 04/14/1998 |
| 5707598 | Porous material composed of layered silica and metal oxide and a process for manufacturing the same A porous material composed of many SiO4 tetrahedra sheets having interlayer bridges of SiO2. It has pores having a diameter of 10 Å or above, and possesses the properties of a solid acid formed by the isomorphous substitution of met... | 01/13/1998 |
| 5693304 | Amorphous alkali metal silicate process and uses A particulate amorphous alkali metal silicate is prepared by heating a mixture of silicate glass and water or aqueous solution to a temperature of about 300°-400° C. to provide a foamed material that is easily formed into particles of less than 20 micro... | 12/02/1997 |
| 5643358 | Crystalline hydrated layered sodium and potassium silicates and method of producing same The present invention pertains to a crystalline hydrated layered sodium and potassium silicate/amorphous sodium and potassium silicate composite material with predetermined hardness ion sequestration properties achieved by controlling the process for form... | 07/01/1997 |
