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| Number | Title | Issue Date |
| 8153093 | Process for producing carbonate particles To provide a process for producing carbonate particles, capable of efficient, easy formation of carbonate particles which have high crystallinity, less prone to agglomeration and offer orientation birefringence, particularly carbonate particles that are needle- or r... | 04/10/2012 |
| 8017101 | Precipitated calcium carbonate, method for producing the same and filler for loading paper using the same Carbon dioxide containing gas is blown into a calcium hydroxide slurry having a calcium hydroxide concentration of 100 to 400 g/L obtained by wet slaking calcined lime with 4 N hydrochloric acid activity (value at 3 minutes) of 150 to 400 mL to allow them to react u... | 09/13/2011 |
| 8007752 | Process for preparing oral calcium compositions A process for the preparation of an orally administrable calcium composition comprising the steps of: (i) obtaining a physiologically tolerable particulate calcium compound having a mean particle size in the range of 3 to 40 μm, having a crystalline structure and h... | 08/30/2011 |
| 7922991 | Basic magnesium carbonate, production method and use of the same Basic magnesium carbonate comprising a tubular aggregated particle of flaky fine crystals. ... | 04/12/2011 |
| 7829053 | Non-cementitious compositions comprising COsequestering additives Non-cementitious CO2 sequestering compositions are provided. The compositions of the invention include a CO2 sequestering additive, e.g., a CO2 sequestering carbonate composition. Additional aspects of the invention include methods o... | 11/09/2010 |
| 7807125 | Calcium carbonate granulation Highly compactable granulations and methods for preparing highly compactable granulations are disclosed. More particularly, highly compactable calcium carbonate granulations are disclosed. The granulations comprise powdered materials such as calcium carbonate that h... | 10/05/2010 |
| 7790134 | Method of purifying isosaccharinate A method of purifying isosaccharinate by mixing sodium carbonate, potassium carbonate, sodium hydroxide or potassium hydroxide with calcium isosaccharinate, removing the precipitated calcium carbonate and adjusting the pH to between approximately 4.5 to 5.0 thereby ... | 09/07/2010 |
| 7754176 | Spherical calcium carbonate and method for producing thereof When spherical calcium carbonate is produced by blowing a carbon dioxide gas or a carbon dioxide-containing gas into an aqueous suspension containing calcium hydroxide to react them, after start of the reaction, an aqueous solution or suspension of a water-soluble p... | 07/13/2010 |
| 7749476 | Production of carbonate-containing compositions from material comprising metal silicates Provided are methods for producing carbonate-containing compositions comprising silicon-based material (e.g., pozzolanic material) from a source of carbon dioxide, a divalent cation-containing solution, and a source of proton-removing agents. In such methods, divale... | 07/06/2010 |
| 7682589 | Method for industrial manufacture of pure MgCOfrom an olivine containing species of rock Method for industrial manufacture of pure MgCO3 comprising providing an olivine containing species of rock, to comminute the olivine containing species of rock to increase its surface, to contact the comminuted olivine containing species of rock with wate... | 03/23/2010 |
| 7455823 | Process for the preparation of micron/nano sized inorganic material The invention discloses methods for making micron/nano meter sized particles of various inorganic materials such as minerals/oxides/sulphides/metals/ceramics at a steadily expanding liquid-liquid interface populated by suitable surfactant molecules that spontaneousl... | 11/25/2008 |
| 7371357 | Process for removal of pollutants A process for the removal of pollutants from a combustion process and, more particularly, a process for removing pollutants such as carbon dioxide, mercury, sulphur dioxide, nitrogen compounds and oxygen compounds from a combustion process. The process includes the ... | 05/13/2008 |
| 7341704 | Surface-treated calcium carbonate, method for production thereof and resin composition comprising said calcium carbonate The surface-treated calcium carbonate is disclosed which is surface-treated with an organic surface treating agent, said surface-treated calcium carbonate satisfies the particular BET specific surface area (Sw), reduced heat amount per unit specific surface area (As... | 03/11/2008 |
| 7297205 | Use of polyacrylic acids as grinding aids for calcium carbonate The invention relates to the use of polyacrylic acids which contain organic terminal groups containing sulphur, comprising at least two carbon atoms, having an average molecular weight Mw of 5 000-30 000 g/mol and which are at least partially neutralized ... | 11/20/2007 |
| 7286960 | Systems and methods for monitoring fouling and slagging in heat transfer devices in coal fired power plants A system for isolating effects of one or more process parameters on performance of a heat transfer device is provided. The system includes an efficiency correction unit that is adapted to receive data from the heat transfer device. The data is representative of one ... | 10/23/2007 |
| 7273521 | Method of producing granulated calcium carbonate/calcium phosphate composite materials with very high calcium to phosphate mole ratios A new and useful method of simultaneously producing and granulating composite materials for simultaneous internal delivery of high amounts of calcium and phosphate to a subject (person or animal) is provided. Such a method entails the dropwise addition of concentrat... | 09/25/2007 |
| 7261869 | Processes for preparing calcium carbonate Inexpensive spindle- or rice-like calcium carbonate giving useful properties for brightness, opacity and wire abrasion resistance as a paper filler is provided by taking advantage of the causticization step. When a white liquor is used for slaking a quick lime, the ... | 08/28/2007 |
| 7238331 | Process for producing nano-powders and powders of nano-particle loose aggregate The present invention discloses a process for producing nano-powders and powders of nano-particle loose aggregate, which includes: (a) providing at least two reactant solutions A and B capable of rapidly reacting to form deposits; (b) supplying the at least two reac... | 07/03/2007 |
| 7235247 | Pharmaceutical composition for application to mucosa The present invention provides a pharmaceutical composition for application to the mucosa to be used in drug therapy comprising a water-insoluble and/or water-low soluble substance, a medicament, and an aqueous medium, and having an osmotic pressure of less than 290... | 06/26/2007 |
| 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 |
| 7204999 | Method of production of nanoparticle and nanoparticle produced by the method of production The method of the production of a nanoparticle of the present invention includes a step of forming a nanoparticle including a compound of ametal ion in a cavity part of aprotein, in a solution containing the protein having the cavity part therein, the metal ion, and... | 04/17/2007 |
| 7198825 | Method of manufacturing carbonate film, carbonate composite material, and method of manufacturing the same A pressure container is filled with a base material having at least part of the surface coated with an organic matrix including at least one member selected from the specific functional groups, and a material solution containing a carbonate material as a material fo... | 04/03/2007 |
| 7198653 | Calcium carbonate granulation Highly compactable granulations and methods for preparing highly compactable granulations are disclosed. More particularly, highly compactable calcium carbonate granulations are disclosed. The granulations comprise powdered materials such as calcium carbonate that h... | 04/03/2007 |
| 7135157 | Process for the production of platy precipitated calcium carbonates A process for the preparation of platy precipitated calcium carbonate comprising the steps of providing a suspension of calcium hydroxide, carbonating the suspension of calcium hydroxide, adding a polyacrylate to the suspension prior to the completion of carbonation... | 11/14/2006 |
| 7128887 | Platy precipitated calcium carbonate synthesis method A process for the preparation of platy PCC comprising the steps of providing a suspension of calcium hydroxide, carbonating the suspension of calcium hydroxide, adding a condensed phosphate to the suspension prior to the completion of carbonation to precipitate plat... | 10/31/2006 |
| 7108831 | Monophasic Tungsten Carbide The present invention relates to a method of producing tungsten carbide by gas phase direct carburization of a tungsten-oxide containing starting material, wherein the starting material is reacted with a reaction gas at an increased temperature. The starting materia... | 09/19/2006 |
| 7105139 | Stabilization of the viscosity of formamidine sulfinic acid bleached calcium carbonate slurries Bleaching a particulate calcium carbonate aqueous slurry with a reductive bleaching agent such as formamidine sulfinic acid increases the viscosity of the slurry. Combining the slurry with a metal material such as strontium hydroxide reduces any increase in viscosit... | 09/12/2006 |
| 7097819 | Method for producing calcium carbonate Calcium carbonate in the form of aragonite crystals suitable for use as a filler for papermaking to give useful properties for bulk, whiteness, opacity, wire abrasion and yield is obtained by taking advantage of the causticization step. Herein disclosed is a process... | 08/29/2006 |
| 7060127 | Silica-calcium carbonate composite particles Silica-calcium carbonate composition particles having the characteristics of both synthetic silica and calcium carbonate are described along with paper having the particles internally filled therein and a method for making the particles. In the carbonation re... | 06/13/2006 |
| 7048900 | Method and apparatus for production of precipitated calcium carbonate and silicate compounds in common process equipment A method and apparatus for the production of calcium carbonate and calcium silicate in common superatmospheric reactors. Multiple reactors can be provided for switching production between reactors, and advantageously utilizing process waste heat. On site production ... | 05/23/2006 |
| 6994839 | Carbonate recycling in a hydrogen producing reaction A process for producing hydrogen gas from a reaction of an organic substance and a base with a recycling of a carbonate or bicarbonate by-product and a regeneration of the base. In one embodiment, reaction of an organic substance and a base produces hydrogen gas and... | 02/07/2006 |
| 6991677 | Titanium dioxide-calcium carbonate composite particles Titanium dioxide-calcium carbonate composite particles capable of realizing characteristic properties inherent in titanium dioxide such as a high opacity, a process for producing the same, and a complex composition or complex incorporated with the same are provided.... | 01/31/2006 |
| 6989142 | Precipitated calcium carbonate An abrasive precipitated calcium carbonate is provided that provides excellent cleaning properties without being excessively abrasive or damaging to gums or tooth surfaces. The abrasive, precipitated calcium carbonate has a primary particle size of about 1 μm to ab... | 01/24/2006 |
| 6960255 | Framework assisted crystal growth A method for growing a crystal includes steps of providing a 3D framework with an collection of solid structures and flowing a liquid starting material around and between individual ones of the solid structures of the 3D framework. The method also includes a step of... | 11/01/2005 |
| 6916762 | Catalyst for fluidized catalytic cracking of heavy hydrocarbon oil and method of fluidized catalytic cracking An FCC catalyst which not only deactivates catalyst poison metals, such as nickel, vanadium and the like, in feedstock oils, inhibits the generation of hydrogen or coke, has excellent cracking activity and bottom oil-treating ability, and can yield a gasoline and LC... | 07/12/2005 |
| 6913855 | Method of synthesizing electrochemically active materials from a slurry of precursors A method for making an active material comprises the steps of forming a slurry, spray drying the slurry to form a powdered precursor composition, and heating the powdered precursor composition at a temperature and for a time sufficient to form a reaction product. Th... | 07/05/2005 |
| 6890497 | Method for extracting and sequestering carbon dioxide A method and apparatus to extract and sequester carbon dioxide (CO2) from a stream or volume of gas wherein said method and apparatus hydrates CO2, and reacts the resulting carbonic acid with carbonate. Suitable carbonates include, but are not ... | 05/10/2005 |
| 6808700 | Dentrifice comprising calcium carbonate granules A dentrifice comprising granules consisting essentially of calcium carbonate particles, the granules having an average size of 50 to 500 um and a crushing resistance of 1 to 20 g/granule, and the calcium carbonate particles having a primary particle size of 0.01 to ... | 10/26/2004 |
| 6803401 | Halogen scavenger for olefin formulations A halogen scavenging system is provided for inhibiting the corrosion-causing tendency and coloration of halogen-containing olefin polymers or copolymers, comprising incorporating about 0.01% to about 1% of a hydroltalcite-like solid solution having the formula Al | 10/12/2004 |
| 6761864 | Process for generation of finely divided calcium carbonate from calcium carbonate rich industrial by-product An environmentally friendly process for the production of finely divided calcium carbonate suitable for industrial application from a calcium carbonate-rich by-product of nitrophosphate fertilizer plant by adopting purification steps of thermal treatment, pulverizat... | 07/13/2004 |
