Patents
Sitemap › C01 - Inorganic chemistry › C01F - Compounds of the metals beryllium, magnesium, aluminium, calcium, strontium, barium, radium, thorium, or of the rare-earth metals › C01F 11 - Compounds of calcium, strontium, or barium
Patents for C01F 11 - Compounds of calcium, strontium, or barium (8,019)
05/2003
05/28/2003CN1420819A Beads of polycrystalline alkali-metal or alkali-earth metal fluoride, their preparation and their use
05/28/2003CN1420185A Obtaining product by solubilizing metal component from Ta-Nb metal ore contg. insoluble fluoride
05/27/2003US6569518 Nanotechnology for electrochemical and energy devices
05/27/2003US6569490 Nanotechnology for chemical radiation, and biotechnology sensors
05/22/2003WO2003042104A1 High surface area incineration product
05/22/2003WO2003042103A1 Surface-treated calcium carbonate, method for production thereof and resin composition comprising said calcium carbonate
05/22/2003WO2003008674A3 Method of making high purity optical fluoride crystals
05/22/2003CA2465230A1 High surface area incineration product
05/21/2003EP1078019A4 Precipitated calcium carbonate and its production and use
05/21/2003EP0789670B1 Treatment of solid-containing material derived from effluent
05/21/2003CN1418817A Method for prodn. of active nano calcium carbonate
05/15/2003US20030091934 Fluorides of alkaline earth cations having different optical polarizabilities to produce an overall isotropic polarizability
05/15/2003US20030089620 Electrolytic production of hydrogen
05/15/2003US20030089304 Method of making high purity optical fluoride crystals
05/14/2003CN1417126A Non-cooling process of producing nano calcium carbonate
05/14/2003CN1108412C Method of separating impurities from lime and lime sludge and method of causticizing green liquor containing impurities, such as silicon in two stages
05/13/2003US6562495 Nanoscale catalyst compositions from complex and non-stoichiometric compositions
05/08/2003WO2003037796A1 Process for generation of finely divided calcium carbonate from calcium carbonate rich industrial by-product
05/08/2003WO2003037795A1 Process for generation of precipitated calcium carbonate from calcium carbonate rich industrial by-product
05/07/2003CN1415541A Technique for producing magnesium hydroxide, barium choride and sulfureted hydrogen from brine water in salt lake
05/01/2003WO2003035550A1 Recovery of sodium chloride and other salts from brine
05/01/2003US20030082091 Process for generation of precipitated calcium carbonate from calcium carbonate rich industrial by-product
04/2003
04/29/2003US6555085 Providing acidic or acidity- generating components in the product chlorine dioxide solution to provide a chlorine dioxide solution having a pH below about 5.5.
04/29/2003US6554609 Nanotechnology for electrical devices
04/23/2003CN1412116A Method for preparing barium hydroxide
04/23/2003CN1106346C Process for preparing strontium carbonate by continuous carbonifying method
04/17/2003WO2003031694A1 Preparation of feedstock of alkaline earth and alkali metal fluorides
04/17/2003WO2003031683A1 Powder coated with titania film and method for production thereof
04/17/2003US20030070606 Loading a fluoride raw material into a chamber, exposing to a gas flow of fluoride at a predetermined temperature and storing in dry atmosphere
04/16/2003EP0944551B1 Precipitated calcium carbonate and method for the production thereof
04/16/2003CN1411424A Electrolysis purifying of calcium carbonate
04/10/2003US20030066477 Preparation of 157nm transmitting barium fluoride crystals with permeable graphite
04/09/2003EP1300362A1 Method and apparatus for producing hydrogen fluoride
04/09/2003EP1011856B1 Multiple stream high pressure mixer/reactor
04/09/2003CN1105156C Pigment particles coated with precipitated calcium carbonate and process for preparing same
04/03/2003WO2003027019A1 Method for recycling calcium sulfate
04/03/2003US20030061972 Recovery of cement kiln dust through precipitation of calcium sulfate using sulfuric acid solution
04/02/2003EP1297074A1 Composite precipitated calcium carbonate/silicon compound pigment
04/02/2003EP1296887A1 Phosphate acidulation utilizing hf acid
04/02/2003EP0641266B1 PARTICULATE CaF 2? AGENT FOR IMPROVING THE MACHINABILITY OF SINTERED IRON-BASED POWDER
03/2003
03/27/2003WO2003025637A1 Photolithographic uv transmitting mixed fluoride crystal
03/27/2003WO2003025636A1 Photolithographic method and uv transmitting fluoride crystals with minimized spatial dispersion
03/27/2003US20030059362 Slaking a quick lime containing calcium carbonate at a specific level with a white liquor to prepare a milk of lime or soda pulp to continuously add a green liquor
03/27/2003US20030056713 Reacting a barium halide, a water soluble rare earth compound, an inorganic fluoride, and optionally a 1a salt and/or another 2a compound
03/26/2003EP1218292B1 Calcium oxide product and method for making same
03/26/2003CN2541436Y Nano calcium carbonate synthetic reactor
03/25/2003US6537612 Process for treating particles, and their use in dispersions
03/20/2003WO2003023084A1 Fluoride sputtering target and method for preparation thereof
03/20/2003WO2002060986A3 Method and apparatus for production of precipitated calcium carbonate and silicate compounds in common process equipment
03/20/2003US20030053946 Kraft waste reclamation and methodology
03/20/2003US20030051841 In common superatmospheric reactors.
03/19/2003EP1292539A1 Micronised barium sulphate
03/19/2003EP1292538A1 Stabilised calcium hydroxide slurries
03/19/2003CN1403374A Production process of side product barium sulfate with bittern containing sulfate radical
03/19/2003CN1403373A Sulfate radical-eliminating process for underground bittern
03/13/2003WO2003020663A1 A process for manufacturing potassium sulfate fertilizer and other metal sulfates
03/13/2003WO2003020642A2 Precipitated aragonite and a process for producing it
03/13/2003US20030049194 Method for producing calcium carbonate
03/12/2003EP1289880A1 Method for producing fine-grained solids and/or for depositing layers of poorly soluble compounds
03/11/2003US6530988 Porous coating pigment and a method for its production
03/06/2003WO2003018480A1 Method for the preparation of lactic acid and calcium sulphate dihydrate
03/06/2003US20030044944 Method for the preparation of lactic acid and calcium sulphate dihydrate
03/06/2003US20030044349 Production of hydrogen from hydrocarbons and oxygenated hydrocarbons
03/05/2003CN1400168A Preparation method of barium titanate powder body
03/05/2003CN1400167A Preparation method of surface modified nano calcium carbonate
03/05/2003CN1400166A Production process of barium containing metal oxide
03/05/2003CN1400044A Liquid phase nano powder body and preparation method of nano particle agglutinative structure material
02/2003
02/27/2003WO2003016216A2 Method of reducing the solubility of calcium sulfate dihydrate in an aqueous suspension and method of making the same
02/27/2003WO2003016211A1 Production of hydrogen from hydrocarbons and oxygenated hydrocarbons
02/26/2003CN1398789A Prepn of nano barium sulfate
02/26/2003CN1398788A Regenerating circulation process of producing strontium carbonate
02/18/2003CA2367593C Method of reducing the solubility of calcium sulfate dihydrate in an aqueous suspension and method of making the same
02/13/2003WO2003011761A1 A process for producing nano-powders and powders of nano-particle loose aggregate
02/13/2003WO2003011760A1 Method for the precipitation of poorly-soluble materials such as barium sulphate for example and precipitation capsule
02/13/2003WO2002079549A3 Preparation of 157nm transmitting barium fluoride crystals with permeable graphite
02/13/2003US20030032192 Generation of preferential nanoparticles; obtain reaction mixture containing chemical intermediates, heat, recover lattice crystal of nanoparticles
02/13/2003US20030029590 Used in papermaking
02/13/2003CA2453586A1 A process for producing nano-powders and powders of nano-particle loose aggregate
02/13/2003CA2355027A1 Process for the production of water insoluble needle-shaped precipitated calcium sulphate dihydrate (caso4-2h2o) and its use as a filler in papermaking
02/12/2003EP1113990B1 Method for producing sodium chloride crystals respecting environment
02/11/2003US6517790 Converting fluorgyp to calcium sulfate
02/06/2003US20030024806 Plasma whirl reactor apparatus and methods of use
02/05/2003EP1280736A2 Method for producing calcium nitrate granules
02/05/2003EP1280735A2 Precipitated aragonite and a process for producing it
02/05/2003CN1395543A Method for producing calcium carbonate
02/05/2003CN1394809A Method for preparing strontium carbonate
02/05/2003CN1394808A Nano strontium carbonate and its preparation method
01/2003
01/30/2003WO2003008674A2 Method of making high purity optical fluoride crystals
01/30/2003WO2003008335A1 Recovery of titanium from titanium bearing materials
01/30/2003WO2003008083A1 Methods of manufacturing particles
01/30/2003CA2492519A1 Methods of manufacturing particles
01/30/2003CA2457837A1 Recovery of titanium from titanium bearing materials
01/29/2003EP1278596A2 Particulate carbonates and their preparation and use in breathable film
01/29/2003CN1393407A Process for preparing high-purity superfine barium carbonate by reaction deposition method
01/23/2003WO2003006740A1 Method of loading a fiber suspension with calcium carbonate
01/23/2003WO2003006367A1 Minimizing spatial-dispersion-induced birefringence
01/22/2003CN1392101A Process for producing nano calcium carbonate by ultrasonic cavitation technology
01/16/2003WO2003004414A1 Method for obtaining precipitated calcium carbonate particles of nanometric scale structure
01/16/2003US20030012953 Non-stoichiometric non- equilibrium material, and the material is a nanostructured material;e.g., boron nitrides, tin oxides, titanium carbides and nickel ferrites
01/16/2003US20030012952 Nanotechnology for electrochemical and energy devices
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