| Patents for C01F 11 - Compounds of calcium, strontium, or barium (8,019) |
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| 07/06/2011 | CN102115123A Method for producing high-purity barium carbonate by using coarse barium nitrate and ammonium bicarbonate solution |
| 07/06/2011 | CN102115122A Method for producing high-purity barium carbonate from coarse barium nitrate and ammonium bicarbonate solution |
| 07/06/2011 | CN102115121A Method for producing barium carbonate by using coarse barium nitrate and ammonia bicarbonate solution |
| 07/06/2011 | CN102115120A Method for producing calcium carbonate by using carbide slag |
| 07/06/2011 | CN102115119A Method for preparing barium carbonate, calcium sulfide and sodium carbonate by using alkali sulfide waste residue |
| 07/06/2011 | CN102115118A Method for preparing calcium sulfide, calcium carbonate and sodium hydroxide from sodium sulphide waste |
| 07/06/2011 | CN102115117A Method for preparing barium carbonate, calcium sulfide and sodium nitrate by sodium sulfide waste residue |
| 07/06/2011 | CN102115116A Method for preparing barium carbonate, calcium sulfide and sodium chloride by using alkali sulfide waste residues |
| 07/06/2011 | CN102115115A Method for preparing barium carbonate, calcium sulfide and sodium hydroxide by sodium sulfide waste residue |
| 07/06/2011 | CN102115114A Method for preparing copper sulfide, calcium carbonate and sodium hydroxide from sodium sulfide waste |
| 07/06/2011 | CN102115113A Method for preparing barium carbonate and co-producing potassium chloride with barium chloride waste residues |
| 07/06/2011 | CN102115112A Method for preparing barium carbonate and co-producing zinc chloride with barium chloride waste residues |
| 07/06/2011 | CN102115111A Method for preparing co-product of barium carbonate and manganese chloride by waste residue of barium chloride |
| 07/06/2011 | CN102115110A Method for co-production of barium carbonate and industrial salt from barium chloride waste |
| 07/06/2011 | CN102115109A Method for co-production of barium carbonate and ammonium chloride from barium chloride waste |
| 07/06/2011 | CN102115108A Method for preparing barium carbonate and sodium sulfide by using alkali sulfide waste residue |
| 07/06/2011 | CN102115107A Method for preparing barium carbonate and potassium chloride by using barium chloride waste residue |
| 07/06/2011 | CN102115106A Method for preparing strontium sulfide, calcium carbonate and sodium hydroxide by sodium sulfide waste residue |
| 07/06/2011 | CN102115104A Method for co-production of magnesium nitrate anhydride and calcium hydroxide/manganese hydroxide from boron slag |
| 07/06/2011 | CN102115103A Method for preparing mixture of chlorides and manganese sulfate as well as calcium sulfate by using manganese-containing waste liquor |
| 07/06/2011 | CN102115100A Method for preparing mixed product of chlorides, zinc sulfate and calcium sulfate by using manganese-containing waste liquid |
| 07/06/2011 | CN102115099A Method for preparing mixture of chlorides and strontium sulfate by using manganese-containing waste liquor |
| 07/06/2011 | CN102115098A Method for preparing mixture product of chlorides and cobalt sulfate by using manganese-containing waste liquor |
| 07/06/2011 | CN102115096A Method for preparing series chlorides and ammonium sulfate by using manganese-containing waste liquor produced during production of hydroquinone |
| 07/06/2011 | CN102115086A Method for producing silicon dioxide and calcium carbonate by phosphorus slag |
| 07/06/2011 | CN102115085A Method for producing silicon dioxide and calcium hydroxide from phosphorous slag |
| 07/06/2011 | CN102115084A Method for producing silicon dioxide and calcium sulfate from phosphorous slag |
| 07/06/2011 | CN102115062A Method for co-production of manganese phosphate, strontium sulfate and ammonium phosphate from manganese-containing waste liquid generated during hydroquinone production |
| 07/06/2011 | CN102115056A Method for preparing phosphate and mixed product of sodium phosphate and strontium sulfate from manganese-containing waste liquid |
| 07/06/2011 | CN102115041A Method for preparing sulfide and mixed product of sodium sulfide and calcium sulfate from manganese-containing waste liquid |
| 07/06/2011 | CN102115038A Method for preparing sulfides and mixed product of sodium sulfide and strontium sulfate by manganese-containing waste liquid |
| 07/05/2011 | US7972586 Fluorine-containing magnesium oxide powder prepared by vapor phase reaction and method of preparing the same |
| 07/05/2011 | US7972584 Magnesiothermic methods of producing high-purity silicon |
| 06/30/2011 | US20110158890 Process to prepare precipitated calcium carbonate implementing low charge acrylate a/o maleinate-containing polymer |
| 06/30/2011 | US20110158874 Gas Separation Process |
| 06/29/2011 | CN102112637A Method of producing calcium carbonate from waste and byproducts |
| 06/29/2011 | CN102107901A Method for preparing ultra micro fine barium sulfate with joint production of sodium sulfide and industrial salt by using sodium sulfide waste residue |
| 06/29/2011 | CN101717843B Method for utilizing sulfur-containing refining waste residue for refining slag |
| 06/23/2011 | WO2011073614A1 Production of calcium carbonate from waste sludge |
| 06/23/2011 | US20110152430 Calcium carbonate hydroxodialuminates comprising a hexagonal platelet-shaped crystal habit |
| 06/23/2011 | US20110150755 Method and Apparatus for Hydrating Lime |
| 06/23/2011 | US20110150750 Calcination method and system |
| 06/23/2011 | US20110150737 Flame synthesis of metal salt nanoparticles, in particular calcium and phosphate comprising nanoparticles |
| 06/23/2011 | US20110147679 Method for recovering oxide-containing battery material from waste battery material |
| 06/23/2011 | CA2794975A1 Production of calcium carbonate from waste sludge |
| 06/22/2011 | CN102101690A Process for preparing barium chloride and calcium chloride by utilizing chlor-alkali waste salt sludge |
| 06/22/2011 | CN102101652A Method for producing calcium chlorate and co-producing fine calcium carbonate and sodium chloride by using carbide slag |
| 06/22/2011 | CN101792156B Method for producing granular sodium hydroxide and coproducing calcium carbonate by using carbide slag |
| 06/22/2011 | CN101481190B Process for treating saponification wastewater by chlorohydrination |
| 06/22/2011 | CN101367537B Novel process for preparing spherical calcium chloride with spray of rotary kiln |
| 06/16/2011 | WO2011008275A3 Systems and methods for enhancing the surface exchange of oxygen |
| 06/16/2011 | US20110139628 Method of producing calcium carbonate from waste and byproducts |
| 06/15/2011 | CN102092792A Method for preparing high-purity manganese nitrate and co-generating gypsum by using waste sulfuric acid treated by rhodochrosite |
| 06/15/2011 | CN102092788A Method for preparing high-purity manganese carbonate and co-producing gypsum by processing waste sulfuric acid with manganese spar |
| 06/15/2011 | CN102092777A Method for producing general zinc sulfate and co-generating calcium hydroxide by using sodium hydrosulfite filter residue |
| 06/15/2011 | CN102092776A Method for producing ordinary zinc chloride and calcium hydroxide by using sodium hydrosulfite filtration residues |
| 06/15/2011 | CN102092765A Method for preparing roasted sulfate residues into sulfites by using chemical method |
| 06/15/2011 | CN102092764A Method for preparing strontium carbonate and co-producing calcium sulfate and industrial salts by using strontium sulfate waste residues |
| 06/15/2011 | CN102092763A Method for purifying strontium sulfate and co-producing calcium sulfate and industrial salt by using strontium sulfate waste residues |
| 06/15/2011 | CN102092762A Method for producing super fine barium sulphate, lightweight magnesium carbonate and calcium carbonate by using salt slurry |
| 06/15/2011 | CN102092761A Method for preparing anti-caking strontium nitrate |
| 06/15/2011 | CN102092760A Method for preparing anti-caking strontium chloride |
| 06/15/2011 | CN102092759A Method for preparing strontium dichloride hexahydrate |
| 06/15/2011 | CN102092758A Method for preparing carbonate from pyrite cinder by using chemical method |
| 06/15/2011 | CN102092757A Method for producing fine lightweight calcium carbonate, ammonium chloride and carbon powder by using soda production waste liquor and carbide slag |
| 06/15/2011 | CN102092756A Method for extracting high-purity calcium oxide from carbide slag |
| 06/15/2011 | CN102092755A Preparation method of Ca(OH)2 for desulfuration |
| 06/15/2011 | CN102092748A Method for producing magnesium carbonate, calcium carbonate and ammonium sulfate by using soda ash waste residues |
| 06/15/2011 | CN101565198B Production method of nano calcium carbonate special for organosilicon |
| 06/15/2011 | CN101538059B Preparation method of superstructure aragonite calcium carbonate crystal |
| 06/09/2011 | US20110135930 Process for continuous modification of dihydrate gypsum and modified dihydrate gypsum obtained by the process |
| 06/09/2011 | US20110135560 Use of a weakly ionic acrylic polymer in the synthesis of precipitated calcium carbonate |
| 06/08/2011 | EP2328841A1 Manufacture of a material on the basis of calcium- and/or magnesium carbonate having a reduced decrepitation tendency |
| 06/08/2011 | CN102089244A Strand cladding of calcium wire |
| 06/08/2011 | CN102086083A Comprehensive utilization method of waste sludge in circuit board plant |
| 06/08/2011 | CN102086073A Recycling method of circuit board tin stripping wastewater |
| 06/08/2011 | CN102086042A Production method of high dispersion barium sulfate |
| 06/08/2011 | CN102086027A Method for preparation of calcium chlorate and co-production of potassium chlorate and calcium chloride using chlor-alkali calcium carbide slag |
| 06/08/2011 | CN102086026A Method for producing potassium chlorate and co-producing superfine calcium carbonate and ammonium chloride by utilizing carbide slag |
| 06/08/2011 | CN101708860B Method for preparing high-purity ultrafine barium carbonate |
| 06/08/2011 | CN101514027B Manufacturing technique for preparing calcium oxide by using acetylene sludge |
| 06/08/2011 | CN101508453B Process for producing hydrated lime by using acetylene sludge |
| 06/08/2011 | CN101337745B Method for processing production waste water of propylene oxide |
| 06/07/2011 | US7955587 System and method for the production of alpha type gypsum using heat recovery |
| 06/07/2011 | US7955578 Method and apparatus for treating gas containing flourine-containing compounds |
| 06/03/2011 | WO2011064836A1 Process for producing calcium hydrogen phosphate dihydrate and fluorine insolubilizer |
| 06/03/2011 | WO2011064323A1 Method for producing coatings containing polymers |
| 06/02/2011 | US20110130076 Alkaline earth carbonate containing mineral for surface cleaning |
| 06/02/2011 | US20110129407 Systems and methods for capture and sequestration of gases and compositions derived therefrom |
| 06/01/2011 | CN102083915A Process for the production of a storage-stable barium sulphate having good dispersibility |
| 06/01/2011 | CN102083302A Method to improve mushroom cultivation |
| 06/01/2011 | CN102079601A Resource recovery and zero discharge process for treating rare-earth wet-method smelting wastewater |
| 06/01/2011 | CN102079550A Waste saline purification technique |
| 06/01/2011 | CN102079536A Method for producing caustic soda and papermaking filler calcium carbonate by using natural alkali liquor |
| 06/01/2011 | CN101712661B Method for producing epoxy chloropropane |
| 06/01/2011 | CN101559965B Method for using medium and low-grade celestite ore to produce strontium carbonate under plateau conditions |
| 05/31/2011 | US7951352 Method for the production of alpha-calcium sulfate hemihydrate from calcium sulfate dihydrate |
| 05/26/2011 | WO2011061094A1 Acid modified natural mineral filler to initialize the beta-nucleation of polypropylene |
| 05/26/2011 | CA2780975A1 Acid modified natural mineral filler to initialize the beta-nucleation of polypropylene |
| 05/25/2011 | EP2325245A1 Acid modified natural mineral filler to initialize the beta-nucleation of polypropylene |