Class / Patent application number | Description | Number of patent applications / Date published |
423305000 | Metal or ammonium containing | 88 |
20100202951 | METHOD FOR THE PREPARATION OF A LITHIUM PHOSPHATE COMPOUND WITH AN OLIVINE CRYSTAL STRUCTURE - The present invention relates to a method for the preparation of a lithium phosphate compound with an olivine crystal structure, which has a chemical formula of Li | 08-12-2010 |
20100303701 | Method For Making Electrode Active Materials - The present invention is directed to a method for making electrode active materials represented by the general formula: | 12-02-2010 |
20110008232 | COMBUSTION PROCESS FOR THE MANUFACTURE OF CALCIUM PHOSPHATE AND CALCIUM PHOSPHATE COMPOSITE PARTICLES - The present application is directed to methods of manufacturing calcium phosphate particles. In particular, the method is directed at eliminating the requirement for a sintering step in the manufacturing process. The method involves the atomisation and combustion of one or more antecedent compositions containing calcium precursors, phosphorus precursors and hydrogen peroxide. | 01-13-2011 |
20140248204 | Zirconium Phosphate Particles Having Improved Adsorption Capacity And Method Of Synthesizing The Same - Zirconium phosphate particles are synthesized by providing a solution of zirconium oxychloride in an aqueous solvent, adding at least one low molecular weight, oxygen containing, monofunctional, organic additive to the solution, and combining this solution with heated phosphoric acid or a phosphoric acid salt to obtain zirconium phosphate particles by sol gel precipitation. | 09-04-2014 |
423306000 | Plural metal or metal and ammonium containing | 54 |
20080199382 | Process For the Preparation of a Biomimetic Bone Substitute and Its Uses - The object of the present invention is a process for obtaining a bone substitute of given chemical and physical characteristics and entirely similar to those of the mineral portion of natural bone tissue. | 08-21-2008 |
20080233033 | Novel transition metal substituted polyoxometalates and process for their preparation - This invention relates to a Polyoxometalate (POM) represented by the formula: (A | 09-25-2008 |
20080233034 | Phosphor material of phosphate compound - The present invention is a yellow-green phosphor material with a high luminescence intensity. The present invention is suitable for excitation by ultraviolet or blue light. The phosphor material is made of a phosphate compound with a chemical formula of LiZn | 09-25-2008 |
20080292522 | Method for Synthesizing Electrode Material Using Polyol Process - Disclosed herein is an electrode material obtained using a polyol process and a synthesis method thereof. The synthesis method includes the steps of preparing a mixed solution by mixing a transition metal compound, a polyacid anionic compound and a lithium compound with a polyol solvent; and obtaining a resultant product by reacting the mixed solution in a heating apparatus. In conventional methods of synthesizing an electrode material, such as the sol-gel method and the solid reaction method, the electrode material is synthesized through a heat treatment process, which is a post-process. However, in the method of synthesizing an electrode material according to the present invention, there is an advantage in that the electrode material, which has crystallinity due to a structure such as an olivine structure or a nasicon structure, can be synthesized using a polyol process at a low temperature without performing a heat treatment process, which is a post-process. Moreover, there are advantages in that the nanoelectrode material synthesized by the method according to the present invention has a high crystallinity, uniform particles, and a structure having a diameter ranging from several nanometers to several micrometers. Further, according to the present invention, the electrode material has a high electrochemical stability such that the discharge capacity of the electrode material is not greatly decreased even though the initial discharge capacity thereof is high and it is charged and discharged many times. | 11-27-2008 |
20090028771 | METHOD FOR MANUFACTURING LITHIUM-IRON-PHOSPHORUS COMPOUND OXIDE CARBON COMPLEX AND METHOD FOR MANUFACTURING COPRECIPITATE CONTAINING LITHIUM, IRON, AND PHOSPHORUS - A method for manufacturing a lithium-iron-phosphorus compound oxide carbon complex includes the steps of adding a solution containing lithium ions (Solution B) to a solution containing phosphate ions (Solution C) while a solution containing divalent iron ions (Solution A) is added to Solution C so as to produce a coprecipitate containing lithium, iron, and phosphorus in a first step, mixing the coprecipitate and an electrically conductive carbon material so as to produce a raw material mixture for calcining in a second step, and calcining the raw material mixture for calcining in an inert gas atmosphere so as to produce the lithium-iron-phosphorus compound oxide carbon complex in a third step. | 01-29-2009 |
20090028772 | METHOD FOR MANUFACTURING LITHIUM-IRON-PHOSPHORUS COMPOUND OXIDE CARBON COMPLEX AND METHOD FOR MANUFACTURING COPRECIPITATE CONTAINING LITHIUM, IRON, AND PHOSPHORUS - A method for manufacturing a lithium-iron-phosphorus compound oxide carbon complex includes the steps of allowing a solution containing lithium ions, divalent iron ions, and phosphate ions (Solution A) to contact with a solution containing an alkali (Solution B) while pH is controlled at 5.5 to 9.5 so as to produce a coprecipitate containing lithium, iron, and phosphorus in a first step, mixing the coprecipitate and an electrically conductive carbon material so as to produce a raw material mixture for calcining in a second step, and calcining the raw material mixture for calcining in an inert gas atmosphere so as to produce the lithium-iron-phosphorus compound oxide carbon complex in a third step. | 01-29-2009 |
20090068080 | Method of Making Active Materials For Use in Secondary Electrochemical Cells - The present invention provides for the two step preparation of lithium vanadium phosphate by pre-treatment of a mixture of precursor materials via high pressure at relatively low temperatures in water (hydrothermal pretreatment) and then calcining such hydrothermally pretreated precursors at relatively high temperatures for a period of time sufficient to produce lithium vanadium phosphate. The lithium vanadium phosphate so produced finds use in producing electrodes for electrochemical cells. | 03-12-2009 |
20090081102 | LITHIUM IRON PHOSPHATE CATHODE MATERIAL - Lithium iron phosphate cathode materials for lithium secondary batteries and methods of preparation thereof. Better cathode materials may be produced by multiple annealing and/or heating steps. The annealing step can be carried out before and/or after the heating steps to provide cathode materials, which exhibit superior electrical properties. | 03-26-2009 |
20090098038 | SINTERED BODY OF TITANIUM COMPOUND - The present invention provides a sintered body of titanium compound obtained by sintering the titanium compound and a method for producing the same. A titanium compound represented by the formula (1) or (2) below is sintered. | 04-16-2009 |
20090117022 | CYCLIC PROCESS FOR WET-CHEMICALLY PRODUCING LITHIUM METAL PHOSPHATES - The invention relates to a method for producing lithium metal phosphates of a formula LiMPO | 05-07-2009 |
20090148377 | Process For Producing Electrode Active Material For Lithium Ion Cell - The present invention relates to a method for preparing a lithium vanadium phosphate material comprising mixing water, lithium dihydrogen phosphate, V | 06-11-2009 |
20090169454 | Method and devices for producing air sensitive electrode materials for lithium ion battery applications - A unit for use within a furnace which is absent a controlled atmosphere, for carrying out a synthesizing process for synthesizing precursors to form a synthesized product at elevated temperatures. The unit consists of a vessel, having at least one opening, for containing materials of the synthesizing process, and a solid reductive material. The materials of the synthesizing process are separated from the atmosphere of the furnace by either the vessel or the reductive material. The unit is especially suited for synthesizing LiFePO | 07-02-2009 |
20090252668 | Methods For Preparing Iron Source Material And Ferrous Oxalate for Lithium Ferrous Phosphate - Methods for preparing iron source material and ferrous oxalate for lithium ferrous phosphate are disclosed. One method comprises bringing solution containing ferrite and soluble non-ferrous metal salts in contact with oxalate solution; wherein said method of contact is to allow a flow of the ferrite solution containing ferrite and soluble non-ferrous metal salts to come in contact with a flow of oxalate solution. Another method comprises brings a stream of ferrite solution in contact with a stream of oxalate solution, wherein the flow rates of the ferrite solution and oxalate solution give the resulting slurry a pH of 2-6. The ferrous oxalate particles produces by the methods of the present invention are regularly shaped and have small and evenly distributed diameters. Lithium ferrous phosphate made from iron source material and ferrous oxalate prepared using the methods of the present invention has small particle diameter, homogeneous particle size, good electrical conductivity, and superior electrochemical properties. | 10-08-2009 |
20100074822 | METHOD FOR MAKING NANOPARTICLES OF LITHIUM TRANSITION METAL PHOSPHATES - Provided is a process for preparing a nanoparticle powder of lithium transition metal phosphate, involving synthesis of lithium transition metal phosphate (LiMPO | 03-25-2010 |
20100086461 | METHOD OF PREPARING NANOPARTICLES OF LITHIUM TRANSITION METAL PHOSPHATES, LITHIUM TRANSITION METAL PHOSPHATES, AND METHOD OF PREPARING THE SAME - Provided are lithium transition metal phosphates where the cation anti-site defects between lithium and transition metals in a lithium transition metal phosphate with a cation well-ordered olivine structure are arranged only in a 1D crystal direction, and a method of preparing the same. The method comprises adding any one selected from the group consisting of an alkali element and an element that has a valence of 5 | 04-08-2010 |
20100233058 | METHOD OF MANUFACTURING ACTIVE MATERIAL - The present invention provides a method of manufacturing an active material which can form an electrochemical device excellent in discharge capacity. The method of manufacturing an active material in accordance with the present invention comprises a hydrothermal synthesis step of heating a mixture including a lithium compound, a metal compound containing one species selected from the group consisting of Fe, Mn, Co, Ni, and V, a phosphorus compound, and water within a reactor while keeping an internal pressure of the reactor at 0.3 MPa or lower by ventilating the inside of the reactor to the outside, and closing the reactor at a time when the temperature of the mixture reaches 100 to 150° C.; and a firing step of firing the mixture after the hydrothermal synthesis step. | 09-16-2010 |
20100266474 | Method of Making Active Materials for Use in Secondary Electrochemical Cells - The present invention provides for the preparation of an “optimized” lithium vanadium phosphate material. The materials are synthesized under conditions that avoid exposure to reducing gases, such as hydrogen, at high temperatures and thus materials of high performance are produced. The lithium vanadium phosphate materials so produced find use in producing electrodes for electrochemical cells. | 10-21-2010 |
20110008233 | POSITIVE ELECTRODE ACTIVE MATERIAL - A highly effective positive electrode is obtained by using a material such as Na which is an inexpensive abundant resource. A positive electrode active material of sodium transition metal phosphate of olivine structure in which the sodium transition metal phosphate of olivine structure includes, a phosphorus atom that is located at the center of a tetrahedron having an oxygen atom in each vertex, a transition metal atom that is located at the center of a first octahedron having an oxygen atom in each vertex; and a sodium atom that is located at the center of a second octahedron having an oxygen atom in each vertex, and adjacent sodium atoms are arranged one-dimensionally in a <010> direction. | 01-13-2011 |
20110052473 | METHOD OF MANUFACTURING ACTIVE MATERIAL - Methods of manufacturing an active material capable of improving the discharge capacity of a lithium-ion secondary battery are provided. The first method of manufacturing an active material comprises a hydrothermal synthesis step of heating a mixture containing a lithium source, a phosphate source, a vanadium source, water, and a reducing agent to 100 to 195° C. under pressure; and a heat treatment step of heating the mixture to 500 to 700° C. after the hydrothermal synthesis step. The hydrothermal synthesis step adjusts the ratio [P]/[V] of the number of moles of phosphorus [P] contained in the mixture before heating to the number of moles of vanadium [V] contained in the mixture before heating to 0.9 to 1.2. The second method of manufacturing an active material comprises a hydrothermal synthesis step of heating a mixture containing a lithium source, a phosphate source, a vanadium source, water, and a reducing agent to 200 to 300° C. under pressure and adjusts the ratio [P]/[V] of the number of moles of phosphorus [P] contained in the mixture before heating to the number of moles of vanadium [V] contained in the mixture before heating to 0.9 to 1.5. | 03-03-2011 |
20110085958 | Synthesis of Cathode Active Materials - The present invention relates to a method for preparing a lithium vanadium phosphate material comprising forming a aqueous slurry (in which some of the components are at least partially dissolved) comprising a polymeric material, an acidic phosphate anion source, a lithium compound, V | 04-14-2011 |
20110110838 | METHOD OF SOLID-LIQUID MIXING GEL PROCESS FOR LiFePO4 SYNTHESIS - A method of synthesizing LiFePO | 05-12-2011 |
20110117003 | IRON(III) ORTHOPHOSPHATE FOR LI ION ACCUMULATORS - Iron(III) orthophosphate of the general formula FePO | 05-19-2011 |
20120003139 | METHOD FOR MANUFACTURING POWER STORAGE DEVICE - It is an object to provide a material for an electrode with improved electron conductivity and a power storage device using the material for an electrode. In a process for manufacturing a material for an electrode including a lithium phosphate compound represented by a general formula LiMPO | 01-05-2012 |
20120039783 | PRODUCTION OF IRON ORTHOPHOSPHATE - A process for the production of iron (III) orthophosphate of the general formula FePO | 02-16-2012 |
20120039784 | Cathode Materials for Secondary (Rechargeable) Lithium Batteries - The invention relates to materials for use as electrodes in an alkali-ion secondary (rechargeable) battery, particularly a lithium-ion battery. The invention provides transition-metal compounds having the ordered-olivine or the rhombohedral NASICON structure and the polyanion (PO | 02-16-2012 |
20120058039 | HIGH PERFORMANCE CATHODE MATERIAL LiFePO4, ITS PRECURSORS AND METHODS OF MAKING THEREOF - In one aspect of the invention, methods of synthesizing iron phosphate precursors and lithium iron phosphate active material usable for a lithium secondary battery include the steps of first forming fine particle iron phosphate precursors hydrated and anhydrous, then forming electrode active material lithium iron phosphate with said iron phosphate precursors. The unique methods are generally efficient and cost effective, as well as stable and scalable for a high performance electrode active material with high capacity, good discharge profile, high electronic conductivity, as well as long cycle life. | 03-08-2012 |
20120134908 | Method of Making Active Materials For Use in Secondary Electrochemical Cells - The present invention provides for the preparation of an “optimized” lithium vanadium phosphate material. The materials are synthesized under conditions that avoid exposure to reducing gases, such as hydrogen, at high temperatures and thus materials of high performance are produced. The lithium vanadium phosphate materials so produced find use in producing electrodes for electrochemical cells. | 05-31-2012 |
20120237425 | FERRIC PHOSPHATE HYDRATE PARTICLES AND PROCESS FOR PRODUCING THE SAME, OLIVINE TYPE LITHIUM IRON PHOSPHATE PARTICLES AND PROCESS FOR PRODUCING THE SAME, AND NON-AQUEOUS ELECTROLYTE SECONDARY BATTERY - The present invention relates to ferric phosphate hydrate particles for use as a precursor of olivine type lithium iron phosphate particles, wherein the ferric phosphate hydrate particles exhibit at least one crystal structure selected from the group consisting of a strengite crystal structure and a meta-strengite (phosphosiderite) crystal structure, and have a sodium (Na) content of not more than 100 ppm and a molar ratio of phosphorus to iron (phosphorus/iron) of not less than 0.9 and not more than 1.1. The ferric phosphate hydrate particles according to the present invention are suitable as a precursor of olivine type lithium iron phosphate particles for a positive electrode substance of non-aqueous electrolyte secondary batteries, and are in the form of fine particles and have a very small content of impurities. | 09-20-2012 |
20120237426 | METHOD FOR MANUFACTURING LITHIUM-CONTAINING COMPOSITE OXIDE - To simply manufacture a lithium-containing oxide at lower manufacturing cost. A method for manufacturing a lithium-containing composite oxide expressed by a general formula LiMPO | 09-20-2012 |
20120237427 | METHOD FOR RECOVERING POLYOXOANION COMPOUND - A method for recovering a polyoxoanion compound from an aqueous solution containing the polyoxoanion compound which comprises the following steps: Step (1): a step of mixing an organic solvent capable of forming a complex with the above-mentioned polyoxoanion compound with the above-mentioned aqueous solution followed by separating to a first phase containing the above-mentioned polyoxoanion compound and the above-mentioned organic solvent, and a second phase, Step (2): a step of mixing a hydrophobic organic solvent with the above-mentioned first phase followed by separating to an organic phase containing the above-mentioned organic solvent and the above-mentioned hydrophobic organic solvent, and an aqueous phase containing the above-mentioned polyoxoanion compound. | 09-20-2012 |
20130045153 | METHOD FOR MANUFACTURING A LITHIUM TRANSITION METAL PHOSPHATE - Disclosed is a method for manufacturing a lithium transition metal phosphate. The disclosed method for manufacturing a lithium transition metal phosphate comprises the steps of: injecting reaction materials containing lithium, a transition metal, and a phosphate, into a reactor, and mixing the raw materials at the molecular level in the reactor; and allowing the reaction materials to chemically react in the reactor so as to cause nucleation. | 02-21-2013 |
20130089486 | CARBOPHOSPHATES AND RELATED COMPOUNDS - The present invention generally relates to carbophosphates and other compounds. Such compounds may be used in batteries and other electrochemical devices, or in other applications such as those described herein. One aspect of the invention is generally directed to carbophosphate compounds, i.e., compounds containing carbonate and phosphate ions. For example, according to one set of embodiments, the compound has a formula A | 04-11-2013 |
20130129596 | DEVICE FOR PREPARING INORGANIC COMPOUND AND METHOD FOR PREPARING INORGANIC COMPOUND USING THE SAME - Disclosed is a device for continuously preparing an inorganic slurry by a hydrothermal method including a precursor liquid or slurry stream containing a precursor for preparing an inorganic substance, a supercritical liquid stream containing high-temperature and high-pressure water, and a reactor into which the precursor liquid or slurry stream and the supercritical liquid stream are injected, and from which an inorganic slurry obtained as a reaction product of hydrothermal reaction between the precursor liquid or slurry stream and the supercritical liquid stream is continuously discharged, wherein an injection direction of the precursor liquid or slurry stream forms an angle of 0 to 60 degrees with respect to a discharge direction of an inorganic slurry stream (inorganic substance stream) containing the inorganic slurry in the reactor. | 05-23-2013 |
20130149227 | METHOD OF PREPARING OLIVINE CATHOD MATERIAL FOR LITHIUM SECONDARY BATTERY - The present invention relates to a method of preparing olivine cathode materials for lithium secondary battery. More specifically, a method of preparing an olivine-based cathode material for secondary battery comprising the steps of: dissolving an iron supplying material, and a lithium phosphate by adding an acid; forming a chelate polymer by adding a chelate agent and a polymerization agent in the solution of the dissolving step followed by heating; pyrolyzing the chelate polymer under reducing atmosphere; and thermally reducing the chelated polymer degraded during the pyrolysis is provided. | 06-13-2013 |
20130195745 | Surface Functionalized Colloidally Stable Spheroidal Nano-apatites Exhibiting Intrinsic Multi-functionality - Calcium-phosphate based nanoparticles (CAPNP) are synthesized which are simultaneously intrinsically magnetic and fluorescent, and extrinsically surface modified to serve an attachment function. Doping calcium phosphates during colloidal synthesis results in 10 nm particles that are stable in aqueous media and at physiological pH. The scalable, one-step synthesis produces several modified CAPNPs. By introducing metal dopants into the base crystal lattice during synthesis, magnetically, electronically and optically enhanced nanoparticle dispersions were similarly synthesized. | 08-01-2013 |
20130236385 | METHOD FOR PRODUCING LITHIUM METAL PHOSPHATE - Provided is a method for producing a lithium metal phosphate, and the method comprises initiating and allowing to proceed, in the presence of a polar solvent, a conversion reaction of a lithium ion (Li | 09-12-2013 |
20130330261 | ACTIVE MATERIAL AND POSITIVE ELECTRODE AND LITHIUM-ION SECOND BATTERY USING SAME - A method for manufacturing an active material containing a triclinic LiVOPO | 12-12-2013 |
20140056797 | METHOD OF PRODUCING CATHODE ACTIVE MATERIAL FOR LITHIUM SECONDARY BATTERY - The invention provides a method of producing a cathode active material for a lithium secondary battery, whereby it is possible to configure a lithium secondary battery in which the discharge capacity is improved and elution of lithium ions from the lithium metal phosphate is suppressed when washing the lithium metal phosphate after the same was synthesized. The method of producing a cathode active material for a lithium secondary battery includes synthesizing a lithium metal phosphate represented by a composition formula LiMPO | 02-27-2014 |
20140127111 | METHOD FOR PRODUCING LITHIUM IRON PHOSPHATE - A method for producing lithium iron phosphate includes an aqueous solution preparation step of preparing an aqueous solution containing a phosphoric acid and a hydroxycarboxylic acid; a first preparation step of adding iron particles containing 0.1 to 2 mass % oxygen to the aqueous solution, and reacting the phosphoric acid and the hydroxycarboxylic acid in the aqueous solution with the iron particles in an oxidizing atmosphere to prepare a first reaction liquid; a second preparation step of adding a lithium source to the first reaction liquid to prepare a second reaction liquid; a third preparation step of adding a carbon source to the second reaction liquid to prepare a third reaction liquid; a precursor formation step of drying the third reaction liquid to form a lithium iron phosphate precursor; and a calcination step of calcining the lithium iron phosphate precursor in a non-oxidizing atmosphere to produce lithium iron phosphate. | 05-08-2014 |
20140161704 | METHODS AND COMPOSITIONS FOR CHEMICAL DRYING AND PRODUCING STRUVITE - Methods and compositions for chemical drying and for producing struvite. | 06-12-2014 |
20140178281 | METHODS AND SYSTEMS FOR RECOVERING PHOSPHORUS FROM WASTEWATER INCLUDING DIGESTATE RECYCLE - Methods and systems for removal and recovery of phosphorus from wastewater and producing inorganic phosphorus complexes including digestate recycle. | 06-26-2014 |
20140234195 | SIZE AND MORPHOLOGICALLY CONTROLLED NANOSTRUCTURES FOR ENERGY STORAGE - The disclosure relates to a process to synthesize nanostructures of a uniform size distribution and/or morphology, nanostructures resulting therefrom, and the use of the nanostructures in energy storage devices. | 08-21-2014 |
20140308192 | CATHODE MATERIALS FOR SECONDARY (RECHARGEABLE) LITHIUM BATTERIES - The invention relates to materials for use as electrodes in an alkali-ion secondary (rechargeable) battery, particularly a lithium-ion battery. The invention provides transition-metal compounds having the ordered-olivine or the rhombohedral NASICON structure and the polyanion (PO | 10-16-2014 |
20150010457 | PREPARATION OF AN ELECTRODE-ACTIVE MATERIAL USING DECOMPRESSION EQUIPMENT - An apparatus for preparing an electrode-active material, comprising a reactor that produces the electrode-active material by using a high-temperature high-pressure hydrothermal synthesis method; and decompression equipment that decreases the pressure of a fluid containing the electrode-active material. The decompression equipment includes a pipe-type or a tube-type decompressor. | 01-08-2015 |
20150017085 | REACTOR APPARATUS AND METHODS FOR FINES CONTROL - Methods and apparatus for precipitating dissolved materials from a solution involve reduction of fines. In an embodiment, the method comprises: introducing a solution into a reactor, causing the dissolved materials in the solution to precipitate into crystals under a first reaction condition, adjusting the reaction condition from the first reaction condition to a second reaction condition, maintaining the reaction condition in the second reaction condition to cause a sub-population of the crystals to dissolve, and adjusting the reaction condition from the second reaction condition to the first reaction condition. In an embodiment, the apparatus comprises a reaction tank, a recycling path and at least an acid injector which is configured for dosing an acid into solution flow in the recycling path. | 01-15-2015 |
20150030517 | PREPARATION METHOD OF BATTERY COMPOSITE MATERIAL AND PRECURSOR THEREOF - A preparation method of a battery composite material includes steps of providing phosphoric acid, iron powder, a carbon source and a first reactant, processing a reaction of the phosphoric acid and the iron powder to produce a first product, calcining the first product to produce a precursor, among which the formula of the precursor is written by Fe | 01-29-2015 |
20150086461 | METHOD FOR MAKING LITHIUM IRON PHOSPHATE - A method for making lithium iron phosphate is provided. A lithium chemical compound, a ferrous chemical compound, and a phosphate-radical chemical compound are mixed in an organic solvent to form a mixture. The mixture is solvothermal reacted in a solvothermal reactor at a predetermined temperature. A protective gas is introduced into the solvothermal reactor during the solvothermal reaction to increase a pressure in the solvothermal reactor to a level higher than a self-generated pressure of the solvothermal reaction. | 03-26-2015 |
20150104368 | INORGANIC PHOSPHATE COMPOSITIONS AND METHODS - Disclosed and described are multi-component inorganic phosphate formulations of acidic phosphate components and basic oxide/hydroxide components. Also disclosed are high solids, atomizable compositions of same, suitable for spray coating. | 04-16-2015 |
20150139884 | PROCESS FOR PREPARING MIXED ALKALI METAL PYROPHOSPHATES - The present invention relates to a process for preparing a mixed alkali metal pyrophosphate comprising spraying a mixed orthophosphate into a recycling bed of mixed alkali metal pyrophosphates at a kiln temperature of | 05-21-2015 |
20160068442 | INORGANIC PHOSPHATE COMPOSITIONS AND METHODS - Disclosed and described are multi-component inorganic phosphate formulations of acidic phosphate components and basic oxide/hydroxide components. Also disclosed are high solids, atomizable compositions of same, suitable for spray coating. | 03-10-2016 |
20160122218 | Process and Device for Treating a Biomass Mixed With Water in Order to Produce Drinking Water, Biogas and Combustible Solids - The present invention relates to a process for treating a biomass ( | 05-05-2016 |
20160145103 | METHOD FOR SYNTHESIZING NANO-LITHIUM IRON PHOSPHATE WITHOUT WATER OF CRYSTALLIZATION IN AQUEOUS PHASE AT NORMAL PRESSURE - A method for synthesizing nano-lithium iron phosphate without water of crystallization in aqueous phase at normal pressure, which is part of a preparation method for a lithium ion positive electrode material. The preparation process comprises the following steps: preparing lithium phosphate, preparing an aqueous phase suspension of lithium phosphate, preparing a ferrous salt solution, preparing nano-lithium iron phosphate without water of crystallization, and recovering and recycling lithium in a mother solution of lithium iron phosphate. The present invention has the beneficial effects of mild reaction conditions, a short time, low energy consumption, reduced costs due to the recovery and recycling of lithium in the mother solution, stable batches, uniform and controllable strength, and being conducive to industrial production. | 05-26-2016 |
20160145104 | METHOD FOR MAKING LITHIUM IRON PHOSPHATE - A method for making a lithium iron phosphate suitable for use as a cathode active material comprises providing a lithium ion source solution and an iron phosphate, the lithium ion source solution comprising an organic solvent and a lithium chemical compound dissolved in the organic solvent. The lithium ion source solution and the iron phosphate are mixed and the mixture heated at a first temperature under a normal pressure to form a precursor solution, the first temperature being in a range from about 40° C. to about 90° C. The precursor solution is placed in a solvothermal reaction reactor and heated at a second temperature to form the lithium iron phosphate particles, the second temperature being higher than the first temperature. | 05-26-2016 |
20160254544 | LIFePO4 FLAKES FOR LI-ION BATTERY AND METHOD FOR MANUFACTURING THE SAME | 09-01-2016 |
423307000 | Hydrogen containing | 15 |
20090022645 | BLEACHING ACTIVATOR AND DETERGENT COMPOSITION COMPRISING THE SAME - To provide a bleaching activator capable of improving bleaching performance of a peroxy compound and the like, and a detergent composition comprising such a compound. A bleaching activator comprising Keggin heteropolyoxometalate anions, wherein the Keggin heteropolyoxometalate anions comprise a Keggin heteropolyoxometalate anion represented by the following formula (1): | 01-22-2009 |
20090191111 | PREPARATION METHOD OF CALCIUM PHOSPHATE-BASED CERAMIC POWDER AND COMPACT THEREOF - Disclosed herein is a method of preparing a highly sinterable calcium phosphate-based ceramic powder and a compact thereof. The calcium phosphate-based ceramic powder and compact thereof according to the present invention are advantageous in that they are very biocompatible and economical because they are prepared using natural materials, have nano-sized particles, and are highly sinterable, and thus can be used for bone substitute materials. | 07-30-2009 |
20100284881 | DEPHOSPHORIZATION MATERIAL, DEPHOSPHORIZATION APPARATUS, AND DEPHOSPHORIZATION BY-PRODUCT - A dephosphorization material is formed from concrete sludge resulting from centrifugal casting of concrete products, production of concrete, cleaning of concrete production equipment, or cleaning of concrete transporting vehicles. The dephosphorization material is used for dephosphorization treatment by a dephosphorization apparatus that includes a single reaction tank provided with a wastewater supply means, a dephosphorization material supply mean, and a recovery means. The dephosphorization apparatus removes phosphorus from phosphorus-containing wastewater, such as sewage water, based on the formula 10Ca | 11-11-2010 |
20120301384 | PROCESS FOR PREPARING MONOBASIC PYROPHOSPHATE MATERIALS - The present invention relates to a process for preparing a material having the formula: | 11-29-2012 |
423308000 | Orthophosphate (e.g., calcium hydroxyapatite) | 11 |
20100015025 | PROCESS FOR PREPARING HYDROXYLAPATITE - A process for preparing hydroxylapatite from a calcium carbonate-containing algae comprising the steps of: (a) converting at least some of the calcium carbonate in the algae to calcium oxide without changing the porosity of the algae; and (b) reacting the so-formed material of step (a) with phosphate ions in water. | 01-21-2010 |
20100055018 | METHOD FOR PRODUCING PYROGENE-FREE CALCIUM PHOSPHATE - The method relates to the production of essentially pyrogene-free calcium phosphate starting from one or more calcium phosphate educts having a Ca/P molar ratio in the range of 1.00 to 2.00 and being formed in a pre-determined shape which remains essentially the same during the following procedural steps: A) transforming said educt(s) at least partly to beta-tricalcium phosphate (α-TCP), alpha-tricalcium phosphate (α-TCP), tetracalciumphosphate.(TetCP) or a mixture thereof at a temperature above 600° C.; B) cooling down the material obtained in step A with said β-TCP, α-TCP, TetCP or a mixture thereof to below 600° C.; C) reacting the material obtained in step B with said β-TCP, α-TCP, TetCP or a mixture thereof with water in gas or liquid phase or in an aqueous Solution at a temperature above room temperature to obtain an end-product which is essentially pyrogene-free. The pyrogene-free calcium phosphate obtained as an end-product by the method according to the invention can be advantageously used as a bone fixation or bone replacement implant or as a surface layer for a bone fixation or bone replacement implant. | 03-04-2010 |
20100150806 | CALCIUM PHOSPHATE GRANULES OF THE HYDROXYAPATITE TYPE, THEIR PREPARATION PROCESS AND THEIR APPLICATIONS - The invention concerns calcium phosphates in granular form having an x-ray diffraction pattern characteristic of hydroxyapatite and good compressibility and flow properties in direct compression applications. The invention also concerns the method for preparing said granules characterized in that it comprises processing a suspension of brushite dicalcium phosphate having a certain particle-size distribution using a basic solution, and maintaining the pH at not less than 7.0 for a sufficient time interval to enable the transformation of the brushite calcium phosphate into hydroxyapatite calcium phosphate. | 06-17-2010 |
20100303702 | METHOD OF PRODUCING POWDER, POWDER, AND ADSORPTION APPARATUS - A method of producing powder by using a first liquid and a second liquid to be mixed with the first liquid, the first liquid containing a first raw material and the second liquid containing a second raw material. The method comprises: mixing the first liquid and the second liquid to obtain a mixture; stirring the mixture for reacting the first raw material and the second raw material to thereby obtain a synthetic material and a slurry containing aggregates of the synthetic material; and drying the slurry to obtain powder of the synthetic material. In the mixing the first liquid and the second liquid, particle strength of the powder is adjusted by setting an initial temperature of mixing the first liquid with the second liquid. | 12-02-2010 |
20110142741 | CRYSTAL GROWTH IN SOLUTION UNDER STATIC CONDITIONS - A method for growing crystals in solution is suitable for the rapid, controlled and effective preparation of crystals of large dimensions from a solution supersaturated with a compound. The crystal growth is carried out under static conditions. To do this: the growth is performed in a crystallisation chamber kept at a constant temperature T | 06-16-2011 |
20150360946 | Production of Ammonium Phosphates - An arrangement ( | 12-17-2015 |
423309000 | Utilizing phosphoric acid or its anhydride as reactant | 5 |
20090208399 | 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 oxygen-containing additive being selected to form a complex with zirconium ions in the solution of zirconium oxychloride and thereby reduce hydration of the zirconium ions, and combining this solution with phosphoric acid or a phosphoric acid salt to obtain zirconium phosphate particles by sol gel precipitation. | 08-20-2009 |
20100055019 | CALCIUM PHOSPHATE BODIES AND A PROCESS FOR MAKING CALCIUM PHOSPHATE BODIES - Among the various aspects of the present invention is a process for making calcium phosphate bodies comprising amorphous calcium phosphate, hydroxyapatite or calcium triphosphate, the bodies themselves and the use of such bodies in any of a variety of applications. | 03-04-2010 |
20100086462 | Nanoscale phosphates - A process for the production of nanofine metal phosphates including the steps of: preparing a solution containing metal cations, phosphate anions and organic carboxylic acid, and finely spraying the solution in a reactor at a temperature above 100 degrees C. wherein the temperature is selected to vaporize the organic acid, and water if present, to obtain nanofine metal phosphate particles. | 04-08-2010 |
20130022527 | BIOMIMETIC HYDROXYAPATITE SYNTHESIS - A method for preparing nanoscale hydroxyapatite particles by combining an amount of a calcium ion source, which includes calcium acetate, and an amount of a phosphate ion source, wherein the amounts are sufficient to produce nanoscale hydroxyapatite particles and the amounts are combined under ambient conditions to produce the hydroxyapatite particles. Nanoscale hydroxyapatite particles are also presented. | 01-24-2013 |
20150352249 | Soft Calcium Hydroxyapatite & a Method for Preparation Thereof Used for Filling Gaps in Human Bone - Provided herein is a method for preparation of soft calcium Hydroxyapatite including: mixing a salt of calcium ion with a polymer to obtain a solution, addition of a salt of phosphate ion with the solution thus obtained to obtain aqueous calcium Hydroxyapatite, freeze drying to obtain soft calcium Hydroxyapatite (HA). The soft calcium Hydroxyapatite is a stable compound, which is sponge like with cellular matrix. When it is filled into a cavity of bone, it makes a wide area contact with bony cage around. | 12-10-2015 |
423311000 | Orthophosphate | 14 |
20080267850 | Method of producing phosphoric acid salt - A method of preparing a phosphoric acid salt which includes at least one attack on phosphate ore by an aqueous solution of hydrochloric acid, with the formation of an attack liquor, a first separation, in the attack liquor, between an insoluble solid phase and an aqueous phase, a neutralization of the separated aqueous phase by the addition of a calcium compound in order to form, with phosphate ions contained in this aqueous phase, a calcium phosphate insoluble in water, which precipitates, and a second separation, in the neutralized aqueous phase, between a liquid phase and a precipitated solid phase based on the calcium phosphate insoluble in water, wherein the attack on the phosphate ore includes dissolving the phosphate in the ore, the attack liquor containing this phosphate in the form of phosphate ions, and the solid phase separated from the attack liquor contains impurities and the aqueous phase separated from the attack liquor contains the phosphate ions thereof, chloride ions and calcium ions, this aqueous phase being subjected to the neutralization and second-separation steps. | 10-30-2008 |
20090016945 | Use of tin phosphates in thermoplastic materials that can be laser-inscribed - A tin phosphate pigment compound with a residual moisture content of a maximum 1% by weight. The compound preferably is a tin orthophosphate with a mean grain fineness of 8 to 20 μm (d | 01-15-2009 |
20090016946 | PROCESS FOR PRODUCING ALUMINUM PHOSPHATE - The present invention provides improved methods for producing the aluminum adjuvant AlPO | 01-15-2009 |
20090035204 | Methods for Synthesizing Lithium Iron Phosphate as a Material for the Cathode of Lithium Batteries - A method for synthesizing lithium iron phosphate as a material for the cathode of lithium batteries is disclosed. This method comprises mixing and sintering the lithium source, iron source, phosphorous source, and carbon source, wherein said iron source is a mixture of FeC | 02-05-2009 |
20090087369 | FLUOROAPATITE DRIED PARTICLES AND ADSORPTION APPARATUS - Fluoroapatite dried particles are obtained by reacting hydroxyapatite primary particles having hydroxyl groups and hydrogen fluoride molecules having fluorine atoms so that at least one of hydroxyl groups of hydroxyapatite primary particles are substituted by the fluorine atoms of the hydrogen fluoride molecules. The fluoroapatite dried particles can exhibit superior acid resistance. Further, an adsorption apparatus using such fluoroapatite dried particles is provided. | 04-02-2009 |
20090092533 | Method for producing tri-calcium phosphate - A method for producing tri-calcium phosphate admixes water, hydrated lime, and phosphoric acid in a reaction vessel to form a tri-calcium phosphate slurry. The slurry is then placed in physical contact with heated air through a spray head to evaporate water from the slurry. The preferred embodiment of the method utilizes an agitated air dryer. | 04-09-2009 |
20100119430 | CALCIUM PHOSPHATE POROUS MATERIAL WITH SMALL AMOUNT OF REMAINING AROMATIC HYDROCARBON - The purpose of the present invention is to provide calcium phosphate porous material with small amount of the remaining polycyclic aromatic hydrocarbons that are toxic substances. The present invention relates to a method for the production of calcium phosphate porous material of β-tricalcium phosphate comprising calcining micronized β-tricalcium phosphate wherein a temperature in a furnace is retained at a temperature in a range of 250-550° C. for a certain period of time, or wherein a temperature-rising rate in the furnace while in said range is decreased to one thirds or less of that during ranges before or after said range in said calcining step. | 05-13-2010 |
20140314653 | METHOD FOR PREPARATION OF ALUMINUM HYDROXYPHOSPHATE ADJUVANT - The present invention relates to methods for preparing amorphous aluminum hydroxyphosphate. An aluminum salt and a phosphate solution are co-mixed at a constant ratio in the presence of a buffer. Preferably, an excess of the phosphate solution is used to act as a buffer. Due to the presence of a buffer, the pH is maintained constant during reaction (after initial rapid equilibration) without active adjustment. The methods are particularly applicable for the large scale manufacturing of aluminum phosphate adjuvant. Aluminum phosphate is used as an adjuvant in vaccine formulations, particularly those including a protein or saccharide antigen. | 10-23-2014 |
20150360945 | FIRE PROTECTION COMPOSITIONS, METHODS, AND ARTICLES - This disclosure relates to inorganic coatings suitable for fire protection, fire retardancy, and articles comprising same. Specifically, the disclosure relates to the manufacture and use of inorganic phosphate-based coating formulations for fire protection, preventing or reducing fire propagation, and for heat management. | 12-17-2015 |
423312000 | Alkali metal or ammonium containing | 5 |
20080274030 | Group III nitride compositions - The present invention provides compositions and a novel high-yielding process for preparing high purity Group III nitrides. The process involves heating a Group III metal and a catalytic amount of a metal wetting agent in the presence of a nitrogen source. Group III metals can be stoichiometrically converted into high purity Group III nitride powders in a short period of time. The process can provide multi-gram quantities of high purity Group III nitrides in relatively short reaction times. Detailed characterizations of GaN powder were performed and are reported herein, including morphology and structure by SEM and XRD, optical properties by cathodoluminescence (CL), and Raman spectra to determine the quality of the GaN particles. The purity of GaN powder was found to be greater than 99.9% pure, as analyzed by Glow Discharge Mass Spectrometry (GDMS). Green, yellow, and red light emission can be obtained from doped GaN powders. | 11-06-2008 |
20120207660 | Preparation Method for a Water-Insoluble Crystal Form II Ammonium Polyphosphate with High Purity and Polymerization Degrees - A preparation method for a water-insoluble crystal form ammonium polyphosphate includes conveying crystal H-type phosphorus pentoxide and diammonium phosphate at a molar ratio of 1:1-1.5 into a malaxator with twin screws, and injecting ammonia gas for 3-40 minutes into the malaxator at 20-25 m | 08-16-2012 |
20130121906 | PROCESS FOR THE PREPARATION OF INORGANIC HYDROGELS WITH ALKALI HALIDES - The present invention relates to a process for preparing inorganic hydrogels with alkali halides such as common salt (NaCl) and methods of making such hydrogels. The present invention provides hydrogels that may be formed by the self-assembly or may be brought about by a change in one or more characteristics of the solution. A characteristic of the solution that may change includes pH, temperature, and concentration of one or more specific ion. This invention further discloses the use of only inorganic components towards the formation of inorganic hydrogels. | 05-16-2013 |
423313000 | Utilizing phosphoric acid as reactant | 2 |
20090081103 | Process for the Manufacture of Monobasic Potassium Phosphate - A process for producing monobasic potassium phosphate is provided wherein a reaction mixture of phosphoric acid is combined with potassium hydroxide. The resulting product is cooled to allow crystallization of the product. The product is homogenized and spray dried, resulting in a pure free flowing powder of monobasic potassium phosphate (MKP). | 03-26-2009 |
20140072496 | METHOD FOR MAKING LITHIUM IRON PHOSPHATE CATHODE MATERIAL - A method for making lithium iron phosphate is provided. In the method, an alkali is reacted with a ferric salt in water to form a red colored ferric hydroxide precipitate in the water. The red colored ferric hydroxide precipitate is mixed with deionized water, organic solvent, and emulsifier to form an water-in-oil emulsion. The phosphoric acid solution and iron metal powder are added to the water-in-oil emulsion to form ferrous hydrogen phosphate. A lithium source is introduced to the water-in-oil emulsion and reacted with the ferrous hydrogen phosphate to form a precursor in the water-in-oil emulsion. The precursor is heated in a protective gas at a heating temperature in a range from about 600° C. to about 800° C. to form lithium iron phosphate. | 03-13-2014 |
423314000 | Metaphosphate | 1 |
20090238745 | Synthesis and Use of AEI Structure-Type Molecular Sieves - A method is disclosed of synthesizing an aluminophosphate or metalloaluminophosphate molecular sieve comprising an AEI structure type material, in which the rate of heating to the crystallization temperature is controlled, either alone or in combination with the H | 09-24-2009 |