Patents for C01F 11 - Compounds of calcium, strontium, or barium (8,019)
02/2010
02/04/2010CA2731836A1 Process for continuous modification of dihydrate gypsum and modified dihydrate gypsum obtained by the process
02/03/2010CN101638245A Method for co-producing carbon dioxide by using precipitated barium sulfate prepared by barium carbonate
02/03/2010CN101638244A Method for co-producing carbon dioxide by using superfine precipitated barium sulfate prepared by barium carbonate
02/03/2010CN101638243A Method for co-producing carbon dioxide by using nanometer barium sulfate prepared by barium carbonate
02/03/2010CN101638242A Method for utilizing barium slag to prepare precipitated barium sulfate and hydrochloric acid
02/03/2010CN101638241A Method for preparing nano-barium sulfate coproducing sodium chloride
02/03/2010CN100586861C Process for preparing ultra-fine heavy calcium carbonate slurry
02/02/2010CA2464642C Recovery of sodium chloride and other salts from brine
02/02/2010CA2462487C Titania film-coated powder and process for producing the same
02/02/2010CA2223955C Filler for use in paper manufacture and procedure for producing a filler
01/2010
01/28/2010WO2010011223A1 Particulate matter and methods of obtaining same from a kraft waste reclamation
01/28/2010WO2010010417A1 A combined solid waste, carbon dioxide quicklime sparging, brine water, and reverse osmosis/ion exchange processes for the production of soda chemicals
01/28/2010WO2010009581A1 A doped low temperature phase barium metaborate single crystal, growth method and frequency converter thereof
01/27/2010CN101636350A Gypsum product and process for its preparation
01/26/2010US7651565 Device for drying and/or calcining gypsum
01/21/2010WO2010008020A1 Vapor deposition material for the production of strontium /calcium composite oxide films
01/21/2010WO2009144382A3 Method of producing calcium carbonate from waste and byproducts
01/20/2010EP2144851A1 Process for production of pcc
01/20/2010CN100582011C Preparation method of fine calcium carbonate
01/19/2010US7648687 removal of impurities by precipitation and separation using a nonmetallic-ion-containing strong base, e.g., tetraalkylammonium hydroxides; reduction of higher oxidation-state-number oxymetal ions and subsequent precipitation as hydroxides that are separated; liquid-liquid exchange extraction to remove Sr
01/14/2010WO2010004405A1 Procedure for manufacture of aqueous suspensions of calcium carbonate and suspensions obtained, and their uses
01/14/2010CA2729848A1 Procedure for manufacture of aqueous suspensions of calcium carbonate and suspensions obtained, and their uses
01/13/2010EP2143688A1 Method of producing aqueous suspensions of calcium carbonate and suspensions obtained, as well as the uses thereof
01/13/2010EP2142477A1 High-purity calcium compounds
01/13/2010CN101624204A Material four-great circulation system formed by waste gypsum mud and chlor-alkali industry
01/13/2010CN101624203A Method for preparing calcium fluoride from waste water containing fluorine
01/13/2010CN101624202A Purification method of naturally weathered calcium-containing ores
01/13/2010CN100579909C Method for preparing spherical calcium carbonate by causticizing paper making green liquor
01/12/2010US7645334 Barium sulfate
01/07/2010WO2010001965A1 Coating composition
01/07/2010US20100000444 Methods and systems for utilizing waste sources of metal oxides
01/06/2010CN101622197A A process for producing gypsum
01/06/2010CN101618888A Method for preparing calcium bromide solution used for oil drilling
01/06/2010CN100577559C Method for producing selenic acid barium
01/06/2010CN100577558C Technique for producing selenious acid barium
12/2009
12/30/2009WO2009136132A3 A method to improve mushroom cultivation
12/30/2009EP2136621A1 Antimicrobial material
12/30/2009CN100575262C Method for preparing ultra-fine calcium oxide with dolostone
12/30/2009CN100575261C Synchronous isomeric double-template process of preparing nanometer isomeric superstructure of barium salt
12/24/2009US20090317319 Methods of Utilizing Biomass Materials and Usage of Industrial Fuels
12/23/2009WO2009155378A1 Methods and systems for utilizing waste sources of metal oxides
12/23/2009WO2009154701A1 Strand cladding of calcium wire
12/23/2009EP2134652A2 Spherical calcium carbonate particles
12/23/2009EP1137595B1 Novel rheology regulators such as ground natural calcium carbonates optionally treated with a fatty acid or salt and their use
12/23/2009CN201367421Y Integrated device for producing calcium carbide combustible gas
12/23/2009CA2727961A1 Strand cladding of calcium wire
12/23/2009CA2700715A1 Methods and systems for utilizing waste sources of metal oxides
12/22/2009CA2437066C Method and apparatus for production of precipitated calcium carbonate and silicate compounds in common process equipment
12/22/2009CA2346393C Novel rheology regulators such as ground natural calcium carbonates optionally treated with a fatty acid or salt and their use
12/17/2009WO2009149982A2 Device for releasing ammonia
12/16/2009EP2133310A1 Gypsum stabilisation method
12/16/2009EP2132145A1 Composition for the treatment of acidic waste water
12/16/2009CN101602518A Production process for preparing calcium oxide and sulfur dioxide by decomposing ardealite
12/16/2009CN101602489A Method for preparing bleaching powder and anhydrous calcium chloride by utilizing hydrated lime to treat chlorine water
12/16/2009CN101602488A Method for preparing bleaching powder and anhydrous calcium chloride by utilizing carbide slags to treat chlorine water
12/16/2009CN101602487A Preparation method of calcium hypochlorite, sodium chloride and sulfuric acid employing limestone
12/15/2009CA2365855C Method of treating spent potliner material from aluminum reduction cells
12/13/2009CA2668802A1 Solution for treating lime mud
12/10/2009WO2009148334A1 Gas separation process
12/10/2009WO2009147077A1 Process for the production of a storage-stable barium sulphate having good dispersibility
12/09/2009CN101600649A Preparation of hydrogen fluoride from calcium fluoride and sulfuric acid
12/09/2009CN101600648A Processes for conjointly producing bromine and calcium chloride
12/09/2009CN101597079A Technologic method for producing plastic compression gypsum powder
12/09/2009CN100567407C Nano layered calcium carbonate base bionic composite material and synthetic method thereof
12/09/2009CN100567159C Method of preparing ultra-fine lightweight calcium carbonate
12/03/2009WO2009144472A2 Carbon dioxide acceptors
12/03/2009WO2009144382A2 Method of producing calcium carbonate from waste and byproducts
12/03/2009US20090298699 Process for producing raw material powder for oxide superconductor
12/03/2009US20090297430 High-purity large-volume monocrystals that are especially radiation-resistant and method of making them from crystal
12/03/2009US20090293772 Method for stabilising soluble metastable soluble anhydrite iii, method for preparing stabilised soluble anhydrite iii hydraulic binder, the obtained hydraulic binder, use of this binder and industrial facility for carrying out such a method
12/02/2009CN101595058A Method for producing alkaline earth metal oxides
12/02/2009CN101591035A Method for preparing micro precipitated barium sulfate and co-product hydrochloric acid from barium chloride
12/02/2009CN101591034A Method for preparing micro precipitated barium sulfate from barium ores
12/02/2009CN101591033A Method for preparing calcium carbonate powder
12/02/2009CN101591029A Novel process for preparing caustic soda and ultrafine calcium carbonate through caustification method
12/02/2009CN100564613C High specific surface area single-crystal meso-pore calcium oxide particle preparation method
12/02/2009CN100564260C Method for producing liquid of barium chloride by using mineral powder of alstonite in low grade
12/01/2009US7625836 Obtained by mixing platinum, rhodium and/or palladium with zirconia; solid solutions; crystal structure; durability
11/2009
11/26/2009WO2009142284A1 Method for production of molded fluoride crystal article, optical member produced by the method, and optical device and ultraviolet ray washing device each comprising the optical member
11/26/2009US20090291037 Method of inertising the impurities in phosphogypsum
11/25/2009EP2123604A1 Flaky particle and cosmetic
11/25/2009CN201351183Y High-efficient gypsum whisker reaction furnace
11/25/2009CN101586255A Prepartion method of calcium sulphate dihydrate crystal whisker
11/25/2009CN101586185A Method for separating and recycling arsenic and iron from biological oxidation solution of sulfide ore
11/25/2009CN101585551A Method for preparing micro precipitated barium sulfate serial products with barium ores
11/25/2009CN101585550A Method of precipitated barium sulfate coproduction hydrochloric acid with barium chloride
11/25/2009CN100562495C Porous calcium carbonate, and preparation and application thereof
11/25/2009CN100562494C Heavy calcium carbonate superfine treating process and superfine composite material preparing process
11/24/2009US7622693 Plasma whirl reactor apparatus and methods of use
11/19/2009WO2009013392A3 Use of carbon dioxide generated in manufacturing synthetic hydrocarbon chains
11/19/2009US20090285748 Barium titanate and electronic parts using the material
11/18/2009EP2118013A2 A process for producing gypsum
11/18/2009EP2118012A2 Gypsum product and process for its preparation
11/18/2009EP2118000A1 Preparation of hydrogen fluoride from calcium fluoride and sulfuric acid
11/18/2009CN201347365Y Sodium percarbonate coating device
11/18/2009CN201347364Y Multipoint delivery air compressor air supplying device
11/18/2009CN101583431A Process of purification of minerals based on calcium carbonate by flotation in the presence of quartenary imidazolium methosulfate
11/18/2009CN101580265A Method for preparing gypsum and dry ice from limestone and waste sulfuric acid
11/18/2009CN101580264A Method for coproducing sodium chloride by using micro barium sulphate prepared by barium chloride
11/18/2009CN101580263A Method for preparing micro precipitated barium sulphate series products by using barium slag
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