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7635659 |
Photocatalytic apatite composition as well as production method and article thereof
The photocatalytic apatite composition and its production method are disclosed. The photocatalytic apatite comprises a photocatalytic apatite having incorporated into the apatite crystal structure...
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7588744 |
Method of recovering phosphate for reuse as a fertilizer
A method for removing and recovering phosphorus from a spent adsorbent medium to result in a regenerated medium and a phosphorus-containing solution useful as a fertilizer.
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7579296 |
Broad band light absorbing photocatalyst, process for producing thereof, broad band light absorbing photocatalyst composition, and molded article
The present invention provides a broad band light absorbing photocatalyst which has a high absorptivity not only for visible light but also, in particular, for ultraviolet light, exhibits...
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7566432 |
Method of synthesizing zirconium phosphate particles
Zirconium phosphate particles are synthesized by providing a solution of zirconium oxychloride in an aqueous solvent, adding at least one oxygen-containing additive to the solution, the...
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7557060 |
Solid phosphoric acid with controlled porosity
The present invention relates to a solid phosphoric acid catalyst and a process for conversion of hydrocarbons using a solid phosphoric acid catalyst. The solid phosphoric acid catalyst comprises...
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7527687 |
Biocompatible cement containing reactive calcium phosphate nanoparticles and methods for making and using such cement
A cement powder is disclosed that contains reactive tricalcium phosphate nanoparticles and other ingredients required to form a cementous material. Methods of making the reactive tricalcium...
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7494664 |
Composite biomaterials
This invention provides novel composite biomaterials having excellent bioadaptability and bone inductivity and a process for producing the same. The composite biomaterials comprise hydroxyapatite,...
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7468172 |
Hydroxapatite calcium phosphates, their methods of preparation and their applications
The present invention is directed to calcium phosphates in granular form having an X-ray diffraction pattern characteristic of hydroxyapatite in which a portion of the anions of the crystal lattice...
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7416803 |
Solid acid electrolytes for electrochemical devices
Improved solid acid electrolyte materials, methods of synthesizing such materials, and electrochemical devices incorporating such materials are provided. The stable electrolyte material comprises a...
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7390335 |
Nanostructured bioactive materials prepared by spray drying techniques
Nano-particles of calcium and phosphorous compounds are made in a highly pure generally amorphous state by spray drying a weak acid solution of said compound and evaporating the liquid from the...
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7385803 |
Tetravalent metal acid triphosphates
This invention is based on the preparation of new solid acid triphosphates with compositions of the general formula M(IV)(HPO4)(H2PO4)2, where M(IV) is a tetravalent metal or a mixture of...
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7374739 |
Calcium phosphate bone replacement materials and methods of use thereof
Methods of making porous calcium phosphate bone replacement materials are discussed.
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7374740 |
Process for producing high purity phosphates
Phosphate rock is reacted with phosphoric acid to produce monobasic calcium phosphate. Monobasic calcium phosphate is reacted with ammonium carbonate to produce ammonium phosphate. Dibasic calcium...
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7326464 |
Calcium phosphate microgranules
The invention concerns microgranules produced from calcium phosphate materials. The invention also concerns a method for producing said microgranules. The inventive microgranules are characterized...
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7326289 |
Film containing a photo-catalyst apatite, its formation method, coating liquid, and electronic device having portion coated with photo-catalyst apatite-containing film
A film containing a photo-catalyst apatite contains an inorganic coating main material, and a powdered photo-catalyst apatite and powdered titanium oxide that disperse within the inorganic coating...
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7320728 |
Rod-shaped apatite crystals having a specific length-to-width ratio
The rod-shaped apatite crystals of the formula Ca 5 (PO 4 ) 3 (OH) x F y have the following features
a) the length-to-breadth ratio of the crystals is at least ≧5 and b) x+y=1, where if x or...
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7273596 |
Method of producing granulated anhydrous dicalcium phosphate
A new and useful method of simultaneously producing and granulating anhydrous dicalcium phosphate is provided. Such a method entails the reaction of concentrated phosphoric acid with a powdered...
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7255962 |
Eulytite solid acid electrolytes for electrochemical devices
Improved solid acid electrolyte materials, methods of synthesizing such materials, and electrochemical devices incorporating such materials are provided. The stable electrolyte material comprises a...
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7247288 |
Method of manufacturing hydroxyapatite and uses therefor in delivery of nucleic acids
Provided is a method for production of nanocrystalline hydroxyapatite particles, and nanocrystalline hydroxyapatite particles produced according to the method. The nanocrystalline hydroxyapatite...
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7169372 |
Method for producing nano-sized crystalline hydroxyapatite
A mechanism and technological process for synthesizing nano-sized crystalline hydroxyapatite. In particular, for producing nano-sized crystalline hydroxyapatite whose particles have nano dimensions...
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7153482 |
Rod shaped apatite crystals having a specific length-to-width ratio
The rod-shaped apatite crystals of the formula Ca 5 (PO 4 ) 3 (OH) x F y have the following features
a) the length-to-breadth ratio of the crystals is at least ≧5 and b) x+y=1, where if x or...
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7150879 |
Neutral self-setting calcium phosphate paste
The present invention provides a novel process for producing a calcium phosphate cement or filler which hardens in a temperature dependent fashion in association with an endothermic reaction. In...
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7150862 |
Method of manufacturing powder
A method of manufacturing a powder, by which it is possible to adjust the strength of the obtained powder is provided. The manufacturing method of a powder involves a step of preparing a slurry...
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7101522 |
Production of dicalcium phosphate or monocalcium phosphate
A process is provided for the production of dicalcium phosphate form a phosphate source material in which a solution of phosphoric acid is produced by the action of a suitable mineral acid,...
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7070747 |
Process of eluting and recovering phosphorus from sludge
In a process of eluting phosphorus from sludge into a liquid phase and recovering the phosphorus efficiently, cell walls of microorganisms in the sludge are ruptured by a process selected from...
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7018460 |
Self-hardening calcium phosphate materials with high resistance to fracture, controlled strength histories and tailored macropore formation rates
A bone replacement material and therapy comprises the combination of calcium phosphate compounds and two or more soluble fillers in the form of fibers, mesh or other materials which have the dual...
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7008450 |
Porous hydroxy apatite containing silicon and magnesium, and a preparation method thereof
Disclosed are a silicon- and magnesium-containing porous hydroxyapatite, and a preparation method thereof which comprises the steps of performing a hydrothermal treatment of a natural coral and...
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6960328 |
Zirconium phosphate and method of making same
A zirconium phosphate compound having a Zr:P ratio of from about 1.80-2.0 to 1, which compound's H-form exhibits a single peak at −13.7±0.5 ppm in the 31 P NMR spectra. The compound is useful...
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6960332 |
Process for purifying aqueous buffer solutions
The present invention describes a procedure for the removal of sodium sulphate from a phosphate solution that has been used for absorption of SO 2 from flue gases, in which a precipitate forms...
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6936175 |
Zirconium phosphate, hafnium phosphate and method of making same
The invention relates to zirconium phosphate of H form which is characterized by a 31 P NMR spectra comprising peaks at −4.7 ppm, −12.8 ppm and −17.0 ppm (all peaks being in a range of ±0.5...
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6911188 |
Production of two alkali metal salts by a combined ion exchange and crystallization process
The invention relates a process for producing an alkali metal nitrate and an alkali metal phosphate in the same process from a phosphate raw material and a nitrate raw material comprising the steps...
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6881227 |
Hydroxylapatite material containing tricalcium phosphate with microporous structure
The invention relates to a hydroxylapatite material containing phosphate wherein the microporous structure of algae hard-tissue raw material is retained in the end product and which can be obtained...
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6846493 |
Synthetic biomaterial compound of calcium phosphate phases particularly adapted for supporting bone cell activity
The present invention is directed to a synthetic biomaterial compound based on stabilized calcium phosphates and more particularly to the molecular, structural and physical characterization of this...
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6818196 |
Zirconium phosphate and method of making the same
A method of making sodium zirconium carbonate is described which involves forming a mixture of zirconium oxychloride with soda ash and then heating at a sufficient temperature and for a sufficient...
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6777214 |
Method for controlling organisms and material therefor, method for selective adsorption of proteins and material therefor, cement material and biomaterial
A method for controlling organisms which comprises growing, decreasing, activating or inactivating cells, bacteria, viruses or fungi at an N-surface or a P-surface of a ceramic which is formed by...
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6720023 |
Method for preparation of the supersaturated solution of calcium phosphate and the thin film of calcium phosphate crystal by using the solution
The present invention relates to a method for preparation of the supersaturated calcium and phosphate ions solution and a method for preparation of the thin film of calcium phosphate crystal on...
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6676947 |
Use of erythropoietin for the treatment of haemochromatoses
The combination of erythropoietin and calcium, with or without phosphates, is useful for treating haemochromatoses. A method for treating primary haemochromatoses in a patient involves...
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6663948 |
Additive comprising porous calcium phosphate for synthetic resins, and synthetic resin composition
An additive for synthetic resins is provided which comprises composite particles obtained by depositing a calcium phosphate compound (R) on support particles (M) of a petaloid porous structure. The...
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6652823 |
Process for the synthesis of VPO catalysts
Process for the preparation of a vanadium phosphate catalyst comprising treatment of a vanadium compound with formic acid, water and a phosphorus compound.
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6585946 |
Process for the preparation of magnesium and carbonate substituted hydroxyapatite
A process for the preparation of a single phase magnesium- and carbonate-substituted hydroxyapatite composition, which process comprises the steps of (i) preparing an aqueous solution containing CO...
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6582672 |
Method for the preparation of carbonated hydroxyapatite compositions
A process for the preparation of a single phase carbonate-substituted hydroxyapatite composition, which process comprises the steps of (i) preparing an aqueous solution containing Co 3 2− and PO...
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6569396 |
Method for producing calcium phosphate powder
The present invention provides a method of manufacturing calcium phosphate powder comprising the steps of preparing a mixed material by mixing calcium hydroxide (Ca(OH) 2 ) powder and calcium...
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6541037 |
Delivery vehicle
The present invention provides delivery vehicles comprising a synthetic, poorly crystalline apatite (PCA) calcium phosphate and a biologically active agent. The PCA calcium phosphate offers many...
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6426114 |
Sol-gel calcium phosphate ceramic coatings and method of making same
This invention relates to novel sol-gel calcium phosphate, in particular hydroxyapatite ceramic coatings and processes of making same at low temperature. Such coatings are useful, inter alia, for...
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6409978 |
Method of removing impurities from mineral concentrates
A process for removing impurities contained in the crystal lattice of minerals, comprising the steps of forming a mixture of a mineral capable of structurally reorganizing its crystal lattice which...
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6395037 |
Hydroxyapatite, composite, processes for producing these, and use of these
A hydroxyapatite consisting substantially of Ca 10 (PO 4 ) 6 (OH) 2 , and having a crystal structure which has at least two diffraction peaks at 31-32 degrees and 26 degrees in X-ray...
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6334891 |
Paste compositions capable of setting into carbonated apatite
Carbonated hydroxyapatite compositions and their preparation are described. The compositions are biologically resorbable and are prepared as flowable masses which can be administered by syringe to...
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6325992 |
Calcium phosphate hydroxyapatite precursor and methods for making and using the same
Calcium phosphate compositions that are particularly useful and unique as orthopedic and dental cements and remineralizers, as well as methods and kits for their use, and the resulting products are...
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6312468 |
Silicon-substituted apatites and process for the preparation thereof
The present invention provides a synthetic silicon-substituted apatite or hydroxyapatite which comprises 0.1% to 5% by weight of silicon. The silicon-substituted apatite or hydroxyapatite may be...
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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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