| Patents for C01F 11 - Compounds of calcium, strontium, or barium (8,019) |
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| 06/20/2012 | CN101983916B Method for production of calcium chlorate and coproduction of ultra-fine calcium carbonate and sodium chloride by using acetylene sludge |
| 06/20/2012 | CN101732976B Method for improving quality of desulphurization gypsum in flue gas desulfurization process and flue gas desulfurization system |
| 06/20/2012 | CN101541682B Lightweight calcium carbonate, process for producing the same, and printing paper containing the same |
| 06/20/2012 | CN101466461B System and method for the calcination of minerals |
| 06/19/2012 | CA2635023C Control of particle size of aragonite precipitated calcium carbonate |
| 06/19/2012 | CA2629059C Preparation of complex metal oxides |
| 06/14/2012 | US20120147523 Method of manufacturing perovskite powder, perovskite powder manufactured by the same and multilayer ceramic electronic component |
| 06/14/2012 | US20120145640 Method and composition to reduce the amounts of heavy metal in aqueous solution |
| 06/13/2012 | CN102491399A Nano calcium carbonate carbonation reaction stirrer |
| 06/13/2012 | CN102491398A Gas stripping precipitated calcium carbonate carbonation reactor |
| 06/13/2012 | CN102491397A Preparation method of nano-calcium carbonate SCC-2 special for silicone sealant |
| 06/13/2012 | CN102491396A Method for preparing nanometer calcium carbonate |
| 06/13/2012 | CN102491395A Preparation method of nano-grade calcium carbonate |
| 06/13/2012 | CN102491379A Method for preparing high-purity magnesium oxide with high boron salt lake brine |
| 06/13/2012 | CN102489143A Flue-gas desulphurization system and flue-gas desulphurization method |
| 06/13/2012 | CN101913663B Method for simultaneously treating high ammonia-nitrogen wastewater and carbide slag |
| 06/13/2012 | CN101823696B Method for co-production of ultra-fine calcium carbonate and ammonium chloride in preparation of potassium chlorate by carbide slag |
| 06/13/2012 | CN101544390B A method for preparing nano calcium carbonate |
| 06/07/2012 | WO2012074074A1 Method and for separation and collection of purified alkali metal salt |
| 06/07/2012 | WO2012073660A1 Resin composition |
| 06/07/2012 | WO2012073080A1 Use of alkaline carbonate salts to reduce the amount of acrylic polymer in a method for grinding calcium carbonate in water |
| 06/07/2012 | US20120141790 Method for manufacturing barium titanate powder and barium titanate powder manufactured by the same |
| 06/06/2012 | EP2460935A1 Method for the production of calcium sulfate dihydrate based paper substrates and/or coating colours |
| 06/06/2012 | EP2460868A2 Method of preparing nano-structured material(s) and uses thereof |
| 06/06/2012 | EP2321225B1 Use of a weakly ionic acrylic polymer in the synthesis of precipitated calcium carbonate |
| 06/06/2012 | CN202265425U 一种曝气控制器 One kind of aeration controllers |
| 06/06/2012 | CN202265424U 一种卧式连续消化槽 One kind of horizontal continuous digester |
| 06/06/2012 | CN102485652A Method for utilizing boron slurry in combined production of anhydrous magnesium sulfate, manganese sulfate, and calcium sulfate |
| 06/05/2012 | US8192542 Aqueous suspension based on hydraulic binder and a process for the production thereof |
| 06/05/2012 | CA2519961C Calcium sulphate-based compositions and methods of making same |
| 05/31/2012 | US20120134902 Method of fixing carbon dioxide |
| 05/31/2012 | US20120131973 Utilization of a Peridotite-type Rock for the Treatment of CO2 from a CO2-emitting Industrial Plant |
| 05/30/2012 | CN202237805U Processing device for wastewater from strontium carbonate production technology |
| 05/30/2012 | CN202237767U Improved desulfurizer |
| 05/30/2012 | CN1969017B Process for preparing dispersible sulfate, preferably barium sulfate nanoparticles |
| 05/30/2012 | CN102482111A 生产碳酸钙的方法 The method of producing calcium carbonate |
| 05/30/2012 | CN102476822A 一种药品级氯化钙的生产工艺 A pharmaceutical grade calcium chloride production process |
| 05/30/2012 | CN102476821A 用白泥生产氧化钙的工艺方法 By Nai process for the production of calcium oxide |
| 05/30/2012 | CN101805080B New technology for recycling valuable elements in biological oxidation gold extraction liquid |
| 05/30/2012 | CN101736403B Method for preparing calcium sulfate crystal whiskers by using impurity-containing gypsum as raw material |
| 05/30/2012 | CN101703872B Method for reclaiming and treating flue gas desulfurization byproducts for sintered pellets |
| 05/24/2012 | US20120129786 Novel composition |
| 05/24/2012 | US20120128572 Method of producing calcium carbonate |
| 05/24/2012 | US20120128571 Carbonation of metal silicates for long-term co2 sequestration |
| 05/24/2012 | US20120125861 Method and system for reduction of scaling in purification of aqueous solutions |
| 05/23/2012 | CN202226682U 一体式节能消化槽 One energy-saving digestion tank |
| 05/23/2012 | CN102461897A 复合纳米钙粉及制作方法 Composite nano calcium and production methods |
| 05/23/2012 | CN102139900B Method for preparing magnesium sulfate heptahydrate co-produced with manganese sulfate and calcium sulfate from boric sludge |
| 05/23/2012 | CN101994153B Method for preparing modified calcium sulfate whisker by using desulfurization gypsum |
| 05/23/2012 | CN101941719B Method for combined production of ammonia and basic calcium chloride by decomposing ammonium chloride |
| 05/23/2012 | CN101920982B Method for preparing functional calcium carbonate by using mussel shells as raw material |
| 05/23/2012 | CN101863504B Foamed high-purity fluorite and production process thereof |
| 05/23/2012 | CN101804999B Method for economically preparing microwave atoms for layered complex metal hydroxide |
| 05/23/2012 | CN101774626B Method for producing BaCO4 through cyclically recovering and reusing (NH4)2SO4 |
| 05/23/2012 | CN101659416B Method for preparing white carbon black co-product calcium chloride |
| 05/22/2012 | US8182757 Method and apparatus for manufacturing of a calcium carbonate product, the product and its use |
| 05/16/2012 | EP2452918A1 Method for producing hydrogen fluoride |
| 05/16/2012 | CN102459082A 12cao7al2o3 compound |
| 05/16/2012 | CN102452738A Treatment method of fluorine-containing waste water of solar cell plant |
| 05/16/2012 | CN101804987B Preparation method of white carbon black |
| 05/10/2012 | WO2012060395A1 Metal fluoride eutectic, scintillator for neutrons, and neutron imaging device |
| 05/10/2012 | WO2012060394A1 Metal fluoride eutectic body and neutron scintillator |
| 05/10/2012 | US20120114548 Method of producing carbonate using carbon dioxide microbubbles and carbonate thereof |
| 05/09/2012 | EP2448866A1 Coolant |
| 05/09/2012 | EP1685084B1 Method and device for obtaining nitrogenous fertilisers from organic waste products |
| 05/09/2012 | CN202214229U Drying device for producing calcium carbonate |
| 05/09/2012 | CN102442691A Method and device for producing novel gypsum fiber |
| 05/09/2012 | CN102442690A Method and device for producing light calcium carbonate by using boiler waste gas with 100% profit |
| 05/09/2012 | CN101885510B Method for preparing lead chloride and calcium sulfate from lead plasters of waste lead accumulators by wet process |
| 05/09/2012 | CN101321913B Regenerated particle aggregate, process for producing regenerated particle aggregate, regenerated-particle-aggregate-containing paper containing regenerated particle aggregate, and coating paper coated with regenerated particle aggregate for printing |
| 05/08/2012 | CA2505511C Method for producing alkaline earth sulphate nanoparticles |
| 05/08/2012 | CA2493029C Perovskite-based fuel cell electrode and membrane |
| 05/03/2012 | WO2012057790A1 Paper enhancement treatment with decreased calcium chloride |
| 05/03/2012 | WO2012056888A1 Organic/inorganic hybrid and process for producing same |
| 05/03/2012 | WO2012056131A1 Method for refilling a cartridge with ammonia, said cartridge comprising a salt capable of absorbing gaseous ammonia |
| 05/03/2012 | WO2012055750A1 Production of high purity precipitated calcium carbonate |
| 05/03/2012 | CA2814435A1 Production of high purity precipitated calcium carbonate |
| 05/02/2012 | EP2447213A1 Production of high purity precipitated calcium carbonate |
| 05/02/2012 | CN102432073A Comprehensive treatment method of waste ferrous sulphate |
| 05/02/2012 | CN102432054A Method for producing light calcium carbonate slurry and light calcium carbonate paste |
| 05/02/2012 | CN102432047A Extracting and zero-discharging method of seawater bittern multi-elements |
| 05/02/2012 | CN102432033A Mother liquid post treatment process for high-purity nitro parachloroaniline |
| 05/02/2012 | CN102431975A Method for recovering and utilizing three wastes during titanium white production through sulfuric acid process |
| 05/02/2012 | CN102430333A Selective forced oxidation bialkali-gypsum method desulfurization process |
| 05/02/2012 | CN101870473B Comprehensive utilization method of peridotite |
| 05/01/2012 | CA2662895C Process for manufacturing ultra low consistency .alpha.- and .beta.- blend stucco |
| 04/26/2012 | WO2012054409A1 Production of calcined lime from natural chalk material in a rotary kiln |
| 04/26/2012 | WO2012054322A1 Method for producing wet gypsum accelerator |
| 04/26/2012 | WO2012052035A1 A novel process for the preparation of biomedical natural hydroxyapatite |
| 04/26/2012 | US20120100050 Production of calcined lime from natural chalk material in a rotary kiln |
| 04/26/2012 | CA2816390A1 Method for producing wet gypsum accelerator |
| 04/25/2012 | CN202201719U 纳米碳酸钙反应器 Nano calcium carbonate reactor |
| 04/25/2012 | CN202199264U 一种脱除烧结工业烟气中二氧化硫、回收石膏装置 A process for removing sulfur dioxide in the flue gas sintering industry, recycling gypsum unit |
| 04/25/2012 | CN102424415A Preparation method for needle cluster-like micrometer-scale calcium carbonate |
| 04/25/2012 | CN102424392A 一种综合利用微硅粉制备白炭黑联产纳米碳酸钙的方法 A micro-generation nano silica fume preparation method of utilization of calcium carbonate |
| 04/25/2012 | CN102423624A Apparatus and method for preparing high-activity calcium hydroxide by using carbide slag alkali residue |
| 04/25/2012 | CN101869861B 重钙湿法研磨分散剂的滴加方法 TSP dropping dispersant wet grinding method |
| 04/25/2012 | CN101602487B 用石灰石制造漂粉精和氯化钠及硫酸的方法 Methods limestone manufacture calcium hypochlorite and sodium chloride and sulfuric acid |
| 04/18/2012 | EP2440493A1 Method of producing calcium carbonate |
| 04/18/2012 | CN102417199A Preparation method of spectroscopically pure strontium chloride |