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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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7550098 |
Synthesis of metal compounds under carbothermal conditions
Active materials of the invention contain at least one alkali metal and at least one other metal capable of being oxidized to a higher oxidation state. Preferred other metals are accordingly...
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7482400 |
Fire-retardant agent based on polyphosphoric or orthophosphoric acid impregnated on a highly porous mineral oxide method for preparation and use thereof
The invention relates to a novel fire-retardant agent based on polyphosphoric or orthophosphoric acid impregnated on a highly porous mineral oxide, method for preparation and use thereof for...
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7465520 |
Nickel-titanium-phosphate cathodes
Cathode materials having an improved electronic conductivity allowing for faster kinetics in the electrochemical reaction, as well as higher conductivity to meet the power requirements for many...
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7438881 |
Anticorrosive pigments
The invention submitted concerns anticorrosive pigments of aluminum orthophosphate, their application as anticorrosive pigments in coating agents, as well as a method for their manufacturing.
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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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7338647 |
Synthesis of cathode active materials
The present invention relates to a method for preparing an electroactive metal polyanion or a mixed metal polyanion comprising forming a slurry comprising a polymeric material, a solvent, a...
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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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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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7169728 |
Photo-functional powder and applications thereof
A condensed phosphate containing an alkaline earth metal is caused to be present on the surface of titanium dioxide fine particles, and as a result, the condensed phosphate is firmly coupled with...
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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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7101820 |
Crystalline compositions of doped aluminum phosphate
The disclosed invention relates to novel crystalline compositions which may be obtained by doping the alpha (α) form of AlPO 4 ceramics, which find use as piezoelectric materials, stable supports...
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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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7060643 |
Photo-functional powder and applications thereof
A condensed phosphate containing an alkaline earth metal is caused to be present on the surface of titanium dioxide fine particles, and as a result, the condensed phosphate is firmly coupled with...
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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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6969501 |
Minerals and methods for their production and use
Uniformly sized and shaped particles of metal salts are provided comprised of one or more metal cations in combination with one or more simple oxoacid anions and a general method for the controlled...
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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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6927185 |
Porous material and method for preparation thereof
As-prepared AlPO 4 —B 2 O 3 —Na 2 O-based glasses were placed in an autoclave together with distilled water and were treated at 150° C. for two hours. Although the specific surface area of the...
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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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6893494 |
Stable metal zirconium phosphates for color applications
The invention provides a stable metal zirconium phosphates having formula (I), in which X is a metal or a combination of metals selected from Co, Mn, Ni, Cu, Cd, Fe, Cr, Al, Sn, V, Zn, Sc, Na, Mg,...
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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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6777568 |
Templated, layered manganese phosphate
A new crystalline maganese phosphate composition having an empirical formula: Mn 3 (PO 4 ) 4 .2(H 3 NCH 2 CH 2 ) 3 N.6(H 2 O). The compound was determined to crystallize in the trigonal space...
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6749769 |
Crystalline compositions of doped aluminum phosphate
The disclosed invention relates to novel crystalline compositions which may be obtained by doping the alpha (α) form of AlPO 4 ceramics, which find use as piezoelectric materials, stable supports...
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6740299 |
Method of manufacture of phosphate-bonded refractories
A method of manufacturing a phosphate-bonded refractory product entirely during the mixing cycle by reacting phosphoric acid and alumina derived from one or more sources of finely divided reactive...
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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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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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6565756 |
Method for the conditioning of phosphoric acid
A method for the conditioning of phosphoric acid containing solutions is described, wherein the solution is converted to a solid material by adding an aluminum compound. This solid material can...
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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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6521264 |
Method for preparing a biomaterial based on hydroxyapatite, resulting biomaterial and surgical or dental use
A solid powder product with a Ca/P ratio of between 1.40 and 1.90 is prepared from tricalcium phosphate and tetracalcium phosphate. An aqueous solution containing calcium ions and phosphate ions...
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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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6419852 |
Use as phosphor dot in a plasma or x-ray system of a lanthanum phosphate comprising thulium
The present invention relates to the use of a compound based on a thulium-containing lanthanum phosphate as a phosphor in a plasma or X-ray system. This phosphate may furthermore contain...
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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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6338752 |
α-TCP/HAP biphasic cement and its preparing process
A biphasic cement of α-TCP/HAP is primarily composed of 30-60 wt % α-tricalcium phosphate (Ca 3 (PO 4 ) 2 , α-TCP) and 40-70 wt % of hydroxyapatite (Ca 10 (PO 4 ) 6 (OH) 2 , HAP). The biphasic...
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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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6306297 |
Packing material for liquid chromatography and process for producing the same
Column packing materials useful in applications such as liquid chromatography, as well as a process for producing such a packing material are described. A first aspect of the invention concerns a...
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6287530 |
Synthetic resin additive and synthetic resin composition containing particles of porous hydroxyapatite
An additive for synthetic resins is provided which comprises particles of a petaloid hydroxyapatite represented by a chemical formula Ca 10 (PO 4 ) 6 (OH) 2 , having the specified particle...
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6228339 |
Process for producing hydroxyapatite fibers
A process for producing hydroxyapatite fibers is disclosed. The process comprises the steps of preparing a mixture of (1) calcium metaphosphate fibers and (2) calcium oxide, calcium hydroxide...
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6217768 |
Method for treating sludge from wastewater treatment
A method for treating sludge from wastewater purification is described. In the method, a sludge is treated, which contains phosphorus and at least one metal which originates from precipitation...
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6183712 |
Production of dicalcium phosphate or monocalcium phosphate from calcium phosphate
A method of producing dicalcium phosphate from calcium phosphate includes reacting the calcium phosphate with a mineral acid such as sulphuric acid to produce a calcium salt and phosphoric acid....
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6183711 |
Apatite-forming-systems: methods and products
Methods comprise contacting apatite-forming-systems with partially alkylated xanthines. The methods include pharmaceutical applications of partially alkylated xanthines to mitigate the effects of...
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6159437 |
Method for manufacturing an aptatite slurry
The present invention provides an apatite slurry in which secondary apatite particles are practically completely redispersed, and provides a method of manufacture therefor. The apatite slurry...
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6143265 |
Conversion of metal oxide to metal phosphate
A metal oxide is treated with an organophosphate, such as a trialkyl phosphate, to convert the oxide to the corresponding phosphate. The metal in the oxide can be a transition metal, such as iron,...
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