| Patents for C01F 11 - Compounds of calcium, strontium, or barium (8,019) |
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| 11/18/2009 | CN101580262A Method for preparing nano barium sulphate series products by using barium slag |
| 11/18/2009 | CN101580261A Hollow calcium carbonate calcite crystal preparation method |
| 11/18/2009 | CN101580260A Method for preparing amorphous calcium carbonate by microemulsion method |
| 11/18/2009 | CN101580259A Method for preparing nanometer active calcium carbonate products by ammonia carbonization |
| 11/18/2009 | CN101580258A Method for preparing nano active calcium carbonate series products and ammonium chloride by carbide slag |
| 11/18/2009 | CN101580257A Method for preparing common active calcium carbonate series products and ammonium chloride by carbide slag |
| 11/18/2009 | CN100560500C Method for preparing high-quality strontium carbonate |
| 11/12/2009 | WO2009136132A2 A method and composition to improve mushroom cultivation |
| 11/12/2009 | CA2722700A1 A method and composition to improve mushroom cultivation |
| 11/11/2009 | CN201343449Y Internal cooling circulating type carburizing reaction device |
| 11/11/2009 | CN101575179A Method for converting calcium and/or magnesium elements in steel slag or scruff into carbonate |
| 11/11/2009 | CN101575149A Separation and recovery technology of metal ions in waste liquor of boron nitride nanotube purification technology |
| 11/11/2009 | CN101575115A Long-range orderly layered nano-structure calcium carbonate polycrystalline powder and preparation method thereof |
| 11/11/2009 | CN101575114A Light calcium carbonate carbonizing plant and industrial application thereof |
| 11/11/2009 | CN101575113A Mixed calcium carbonate, preparation method and application thereof |
| 11/11/2009 | CN101575106A Coproduction technology of calcium sulphate crystal whiskers and magnesium hydrate crystal whiskers by plaster-ammonium rotation method |
| 11/10/2009 | US7614352 Fuel with high carbon content, high sulphur content, and low ash content such as petroleum coke, grades of anthracite, coal and natural gas; pressurised fluidised bed combustor and carbonator; environmentally friendly |
| 11/03/2009 | US7611606 Containing precipitated calcium carbonate-silica composite as filler; electrophotography; newspaper printing |
| 10/29/2009 | US20090269268 Method of separating carbon dioxide from gas mixture using biopolymer |
| 10/28/2009 | CN101565250A Seawater desalination and chemical resource comprehensive extraction device and extraction method thereof |
| 10/28/2009 | CN101565198A Production method of nano calcium carbonate special for organosilicon |
| 10/28/2009 | CN101565196A Method for processing alumina process calcium silicone slag |
| 10/28/2009 | CN100554167C Method for preparing barium-cobalt-iron-niobium oxide material by low-heat solid-phase coordination method |
| 10/27/2009 | CA2473900C A process for recovery of low sodium salt from bittern |
| 10/21/2009 | CN101559967A Method for preparing barium nitrate, calcium nitrate, calcium sulfate and sodium nitrate by utilizing middle and low grade barium carbonate ore |
| 10/21/2009 | CN101559966A Calcium nitrate |
| 10/21/2009 | CN101559965A Method for using medium and low-grade celestite ore to produce strontium carbonate under plateau conditions |
| 10/21/2009 | CN101559964A Preparation method of platy strontium carbonate particles |
| 10/21/2009 | CN100551826C Spherical calcium carbonate and method for production thereof |
| 10/20/2009 | US7605103 Translucent ceramic and method for manufacturing the same, and optical component and optical device |
| 10/20/2009 | US7604787 Forming suspension from silicate and acid; adding carbon dioxide |
| 10/15/2009 | WO2009125064A1 Method of purifying gypsum |
| 10/15/2009 | WO2009103854A3 A method for crystallizing a filler in connection with a fiber web process, and an approach system for a fiber web machine |
| 10/15/2009 | US20090257946 heating in fluidized bed, combusting fuel and air in burner to create combustion gases, diverting portion of combustion gases to pressurized reactor and directing remaining portion to heat exchanger; includes adjustable speed double screw counter-rotating auger having hollow shafts and hollow blades |
| 10/15/2009 | CA2720826A1 Method of purifying gypsum |
| 10/14/2009 | CN201325881Y Desulfurization device for barium chloride |
| 10/14/2009 | CN101555551A Method for comprehensively recovering Fe, Cu and Si from copper smelting slag |
| 10/14/2009 | CN101554387A Biological calcium carbonate extracting solution and production method thereof |
| 10/08/2009 | US20090253593 Solid product for preparing a drilling fluid |
| 10/07/2009 | CN101553430A Methods and apparatuses for decreasing the CO2 concentration of a fluid |
| 10/07/2009 | CN101550585A Method for producing dehydrated calcium sulfate whisker |
| 10/07/2009 | CN101549880A Preparation method of anti-caking strontium nitrate |
| 10/07/2009 | CN101549876A Method for producing boric acid and co-produce magnesium hydrate and calcium sulphate by utilizing boron-rich slag |
| 10/07/2009 | CN100546913C Method for preparing nano barium carbonate |
| 10/06/2009 | US7598194 heat treatment in a reducing and nitriding atmosphere, to a precursor compound including constituent elements Si, Al, O, and M which is one or more elements selected from Li, Mg, Ca, Sr, Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, and Lu; usage as a phosphor; discoloration inhibition |
| 10/06/2009 | US7597867 Method of carbon nanotube modification |
| 10/06/2009 | US7597817 Ferromagnetic; resitivities similar to semiconducting and insulating materials, and Curie temperatures greater than room temperature |
| 10/01/2009 | US20090246524 Porous calcium oxide particulate and porous calcium hydroxide particulate |
| 10/01/2009 | US20090246117 Method of forming a hydrated lime for acid gas removal from flue gas |
| 09/30/2009 | EP2104569A1 Process of purification of minerals based on calcium carbonate by flotation in the presence of quartenary imidazolium methosulfate |
| 09/30/2009 | CN101544391A Method for preparing caking resistant strontium chloride |
| 09/30/2009 | CN101544390A A method for preparing nano calcium carbonate |
| 09/30/2009 | CN100545092C Process for preparing submicron grade superfine calcium carbonate dispersion particle |
| 09/29/2009 | US7595037 Method and apparatus for hydration of a particulate or pulverulent material containing CaO, hydrated product, and use of hydrated product |
| 09/29/2009 | CA2371208C Process and feeding system |
| 09/24/2009 | WO2009019709A3 Process for recovering substances from high salinity liquids |
| 09/24/2009 | US20090238747 Production of oxidic nanoparticles |
| 09/23/2009 | EP2102106A1 Method for producing alkaline earth metal oxides |
| 09/23/2009 | CN101541682A Lightweight calcium carbonate, process for producing the same, and printing paper containing the same |
| 09/23/2009 | CN101538060A Method for producing light calcium carbonate and coproducing hydrogen sulfide by using crude calcium sulfide |
| 09/23/2009 | CN101538059A Preparation method of superstructure aragonite calcium carbonate crystal |
| 09/23/2009 | CN100542965C Calcium carbonate for cigarette paper and preparation method and application |
| 09/23/2009 | CN100542964C Preparation method of calcium carbonate for cigarette paper |
| 09/23/2009 | CN100542963C Preparation process of fibrous light calcium carbonate |
| 09/22/2009 | US7591966 strontium-lanthanum-tungsten-(Niobium or tantalum ) containing metal composite oxide; improved ionic conductivity by ensuring the formation of an open space within a crystal lattice by the metal ion defects in a crystal lattice; use for oxygen probe, fuel cell, hydrocarbon, hydrogen gas or steam sensor |
| 09/17/2009 | WO2009112465A1 New selenium containing composites, their use and a process for preparing the same |
| 09/17/2009 | WO2009039379A3 Process for destroying carbonaceous materials and composition and system thereof |
| 09/17/2009 | US20090232723 Particulate matter and methods of obtaining same from a kraft waste reclamation |
| 09/16/2009 | EP2100852A1 Lightweight calcium carbonate, process for producing the same, and printing paper containing the same |
| 09/16/2009 | EP2100522A1 New selenium containing composites, their use and a process for preparing the same |
| 09/16/2009 | EP1301448B1 FUSED Al2O3-Y2O3-ZrO2 EUTECTIC ABRASIVE PARTICLES, ABRASIVE ARTICLES, AND METHODS OF MAKING AND USING THE SAME |
| 09/16/2009 | CN101531391A Method for industrially preparing nanometer calcium carbonate for solvent type ink addition agent |
| 09/16/2009 | CN101531390A Method for manufacturing a series of products of common active calcium carbonate and ammonium chloride |
| 09/15/2009 | CA2332013C Process for the production of ultrafine powders |
| 09/11/2009 | WO2009109705A1 A pigment particle composition, its method of manufacture and its use |
| 09/11/2009 | CA2717820A1 A pigment particle composition, its method of manufacture and its use |
| 09/10/2009 | US20090227721 Novel rheology regulators such as ground natural calcium carbonates optionally treated with a fatty acid or salt and their use |
| 09/10/2009 | US20090227720 Filler for Powder Coating Material and Powder Coating Composition Containing the Same |
| 09/09/2009 | EP2097164A1 Integrated chemical process |
| 09/09/2009 | CN101525147A Preparation method of nano calcium carbonate |
| 09/09/2009 | CN101525146A Preparation method of modified nano calcium carbonate |
| 09/08/2009 | US7585485 Conditioning based on solid-state reactions or reactions in the presence of small amounts of water, between phospho gypsum and agglutinating-neutralizing agents, principally through application of oxy and hydroxy compounds, without discounting use of respective carbonates of magnesium, aluminum, calcium |
| 09/03/2009 | US20090220405 Recycling sulfur waste such as elemental sulfur by oxidizing to sulfur dioxide, using energy to electrolytically convert sulfur dioxide and water into sulfuric acid and hydrogen, and using the hydrogen formed to supply the energy used for electrolytic conversion |
| 09/02/2009 | EP1763489A4 Precipitated calcium carbonate |
| 09/02/2009 | CN201301231Y White water recovery device of pulpous state heavy calcium carbonate |
| 08/27/2009 | WO2009103854A2 A method for crystallizing a filler in connection with a fiber web process, and an approach system for a fiber web machine |
| 08/27/2009 | US20090214416 Process for preparing a metal hydroxide |
| 08/27/2009 | US20090214414 solid lithium chloride containing less than 15 ppm sodium as an impurity; low sodium lithium carbonate and lithium chloride produced from a brine concentrated to about 6.0 wt % lithium |
| 08/27/2009 | US20090211493 Different Types Of Mineral Matter Containing Carbonate With Reduced Fossil Fuel Carbon Dioxide Emission On Breakdown, Together With Their Synthesis Process And Their Uses |
| 08/27/2009 | CA2715793A1 Method and apparatus for pressurized calcination of gypsum |
| 08/26/2009 | EP2091505A2 Process to form nano-sized materials, the compositions and uses thereof |
| 08/26/2009 | CN201296732Y Device for preparing calvital by utilizing a dry flue gas desulfurization method |
| 08/26/2009 | CN101516985A Calcium carbonate treated with curing active ingredient |
| 08/26/2009 | CN101516783A Process for manufacturing ultra low consistency alpha- and beta- blend stucco |
| 08/26/2009 | CN101514028A Method for preparing flaky ground calcium carbonate powder |
| 08/26/2009 | CN101514027A Manufacturing technique for preparing calcium oxide by using acetylene sludge |
| 08/26/2009 | CN100532269C Method for producing calcium chloride by direct heating evaporation of coal gas generating oven |
| 08/26/2009 | CN100532266C Technique for producing hydrate alumina and silicic acid with coal ash |
| 08/26/2009 | CN100532265C Technique for producing hydrate alumina and silicic acid with high-silicon low-aluminum mineral raw material |
| 08/26/2009 | CN100532264C Technique for producing hydroted alumina and silicic acid with coal gangue |