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7601213 |
Pigment and coating composition capable of inhibiting corrosion of substrates
The present invention relates to a pigment and a coating composition comprising such a pigment, wherein it is contemplated that a coating composition containing such pigment is capable of...
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7597867 |
Method of carbon nanotube modification
Carbon nanotube apparatus, and methods of carbon nanotube modification, include carbon nanotubes having locally modified properties with the positioning of the modifications being controlled. More...
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7501107 |
Method for obtaining precipitated calcium carbonate particles of nanometric scale structure
Process for the production of precipitated calcium carbonate particles, structured at the nanoscale, by carbonation of milk of lime in the presence of a crystallization controller selected from the...
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7468101 |
UV varnish gloss performance using novel pigment and process for making same
A high solids precipitated calcium carbonate (PCC) suspension and method for producing the suspension are provided, with the PCC having a PCC particle size distribution d 90 value of about 0.7...
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7462233 |
Pigment and coating composition capable of inhibiting corrosion of substrates
The present invention relates to a pigment and a coating composition comprising such a pigment, wherein it is contemplated that a coating composition containing such pigment is capable of...
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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...
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7452591 |
Silicon carbide based porous material and method for production thereof
A silicon carbide-based porous material characterized by comprising silicon carbide particles as an aggregate, metallic silicon and an oxide phase containing Si, Al and an alkaline earth metal; it...
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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...
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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...
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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 M w of 5...
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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)...
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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...
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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...
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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,...
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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...
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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...
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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...
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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...
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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...
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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...
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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...
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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,...
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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,...
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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...
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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...
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6926912 |
Metal compounds, mixed or sulphated, as phosphate binders
A non-aluminum containing mixed metal compound for pharmaceutical use, which may, for example, be a mixed metal hydroxy carbonate containing magnesium and iron, and may have a hydrotalcite...
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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...
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6890497 |
Method for extracting and sequestering carbon dioxide
A method and apparatus to extract and sequester carbon dioxide (CO 2 ) from a stream or volume of gas wherein said method and apparatus hydrates CO 2 , and reacts the resulting carbonic acid with...
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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...
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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...
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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...
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6749825 |
Mesoporous carbonates and method of making
Mesoporous metal carbonate structures are formed by providing a solution containing a non-ionic surfactant and a calcium acetate salt, adding sufficient base to react with the acidic byproducts to...
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6685908 |
Precipitated aragonite and a process for producing it
Disclosed is a novel form of particulate precipitated aragonite calcium carbonate and a novel process for producing it.
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6623555 |
Composite precipitated calcium carbonate/silicon compound pigment and method of making same
A method of making a composite pigment of precipitated calcium carbonate (PCC) and a silicon compound, in which the resulting composite pigment is endowed with an excellent combination of optical...
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6602484 |
Precipitated calcium carbonate and method for the production thereof
The invention concerns precipitated calcium carbonate products containing polynuclear regular agglomerates having a number of calcium carbonate particles (aggregates) attached to each other and...
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6592837 |
Narrow size distribution ground calcium carbonate compositions
Ground calcium carbonate compositions having narrow particle size distributions and a method for producing the compositions. The method involves forming a substantially dispersant-free calcium...
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6540878 |
Stabilized filler, its production and use
The present invention relates to a stabilized calcium carbonate filler, a process for stabilizing calcium carbonate, the use of the stabilized filler in a paper making system, and an improved paper...
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6530988 |
Porous coating pigment and a method for its production
The invention is based on the idea of preparing porous calcium carbonate particles via a degradation reaction from a crystalline initial material which contains the initial components for forming...
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6482881 |
Inorganic dispersant, stabilizer for suspension polymerization and polymer particles
Disclosed is an inorganic dispersant having a high specific surface area and a high surface activity which comprises a calcium phosphate type compound having a specific particle composition,...
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6440209 |
Composite pigments comprising in-situ precipitated metal carbonate crystals
Composite pigments comprising particles of silicate or oxide minerals having deposited thereon a multiplicity of particles of a metal carbonate as a result of in-situ precipitation.
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6402824 |
Processes for preparing precipitated calcium carbonate compositions and the products thereof
Processes for making high quality PCC compositions, and the resulting PCC products thereof. A precipitated calcium carbonate (PCC) composition is prepared by a process comprising the step of wet...
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6362261 |
Methods of preparing cationic layer compounds, cationic layer compounds prepared thereby, and methods of use therefor
A method of preparing a modified cationic layer compound which includes providing a layer compound of the general formula (I): [E e Z z D d V v (OH − ) x ](A n− ) a .qH 2 O (I) wherein E...
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6342100 |
Bimolecular coated calcium carbonate and process of production thereof
Bimolecular coated calcium carbonate and a process for controlled surface treatment of calcium carbonate according to which an amount of coating determined from the mean particle diameter (dp) of...
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6334990 |
Formulation of potassium sulfate, sodium carbonate and sodium bicarbonate from potash brine
A process for the preparation of potassium sulfate, sodium bicarbonate and sodium carbonate. The process involves the treatment of potash brines by the reaction of sodium chloride and potassium...
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6315976 |
Method of producing potassium sulfate
A process is provided for producing potassium sulfate by reacting ammonium sulfate and potassium chloride at a temperature of about 30 to 40° C. to produce a slurry containing K 2 SO 4 NH 4...
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6312659 |
Precipitated calcium carbonate particles from basic calcium carbonate
Novel precipitated calcium carbonate particles of varying size and shape, are prepared by adding gaseous carbon dioxide to an aqueous slurry containing basic calcium carbonate under a selectively...
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6306494 |
Fine particulate synthetic chalcoalumite compounds, process for their production, and heat insulator and agricultural film containing the fine particulate synthetic chalcoalumite compounds
Novel, fine particulate synthetic chalcoalumite, process for preparation thereof, and a heat insulating agent and agricultural film containing said fine, particulate synthetic chalcoalumite. The...
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6261530 |
Cationic layer compounds, production and use
A process for stabilizing a halogen-containing plastic against thermal or photochemical degradation by adding to the plastic an additive consisting essentially of cationic layer compounds...
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6251356 |
High speed manufacturing process for precipitated calcium carbonate employing sequential perssure carbonation
A process for the production of precipitated calcium carbonate. A slurry of calcium hydroxide is agitated in a pressurized reactor, and carbon dioxide is provided under pressure to the reactor to...
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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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