Patents for C01F 11 - Compounds of calcium, strontium, or barium (8,019)
03/2005
03/16/2005CN1594097A Process for preparing barium carbonate nano-crystalline
03/10/2005WO2005021437A1 Porous material and method for producing same
03/09/2005CN1590310A Method and apparatus for recovering and processing medical liquid, method for mfg fluorite
03/09/2005CN1590286A New production technology of feed grade calcium hydrogen phosphate
03/09/2005CN1590283A Preparation of metal aminosulfonate
03/09/2005CN1191975C Vessel utilizing pressure pistion for pushing fluid
03/08/2005CA2356429C A process for manufacturing potassium sulfate fertilizer and other metal sulfates
03/02/2005CN1587057A Forced oxidizing method and its device for smoke desulfurizing intermediate product-calcium sulfite
03/02/2005CN1587056A High purity medicinal calcium carboante and its producing method
03/01/2005US6861041 Method for treating and upgrading effluents containing metallic sulphates using an ammonia addition step
02/2005
02/24/2005WO2004053228A3 Filler-fiber composite
02/23/2005CN1585833A Powder coated with titania film and method for production thereof
02/23/2005CN1584130A Method for producing land plaster whiskers from phosphoric acid
02/23/2005CN1583570A Method for manufacturing super fine calcium carbonate dispersing particles
02/17/2005WO2005014483A2 Calco-magnesian aqueous suspension and method for the production thereof
02/16/2005EP1506130A1 Pressurized piston pusher
02/16/2005EP1440037B1 Process for generation of precipitated calcium carbonate from calcium carbonate rich industrial by-product
02/16/2005CN2679135Y Lime decomposition machine
02/15/2005US6855749 Polymer nanocomposite implants with enhanced transparency and mechanical properties for administration within humans or animals
02/15/2005US6855203 Preparation of 157nm transmitting barium fluoride crystals with permeable graphite
02/10/2005WO2005012178A1 Reduction of the concentration of undesired compounds
02/10/2005WO2004094043A3 Carbonation of metal silicates for long-term co2 sequestration
02/10/2005CA2769570A1 Calcium carbonate granulation
02/10/2005CA2716449A1 Calcium carbonate granulation
02/09/2005EP1440038B1 Process for generation of finely divided calcium carbonate from calcium carbonate rich industrial by-product
02/03/2005DE10331513A1 Manufacture of highly purified metal fluoride, e.g. calcium fluoride for preparing optical items, involves heating a less pure metal fluoride and treating with fluorinating agent
02/02/2005EP1129033B1 Method for producing calcium compounds containing water of crystallisation
02/02/2005CN1187296C Method for manufacturing a calcium nitrate melt and products thereof
02/02/2005CN1187268C Method for synthesizing powder of single phase two barium nine titanate by high energy ball milling
02/02/2005CN1187265C Production process of quarternary carbonate powder
02/01/2005US6849109 Multimetallic nanofillers with domain size less than 100 nanometers exhibiting transparency to visible light that differs by more than 20% as compared to fillers having a domain size of at least one micron.
01/2005
01/27/2005WO2004061161A3 Electrolytic production of hydrogen and carbonate recycling in a hydrogen producing reaction
01/27/2005US20050017105 Superfine powders and methods for manufacture of said powders
01/26/2005CN1569649A Method for preparing barium-strontium niobate powder and barium-strontium niobate film by organic gel method
01/26/2005CN1569644A Method for preparing barium stannate trihydrate using stannum in waste tin stripper
01/26/2005CN1569642A Process for preparing alpha-semi-hydrated gypsum from modified gypsum at normal pressure
01/20/2005WO2005005316A1 Process for the manufacture of high purity metal fluorides
01/19/2005EP1498399A2 Use of a precipitated calcium carbonate (pcc) originating from sugar as a raw material in the ceramic industry
01/19/2005EP0981667B9 Aragonitic precipitated calcium carbonate pigment for coating rotogravure printing papers
01/18/2005US6843058 Method for making gypsum and zinc sulfide
01/18/2005CA2235322C Ca(oh)2 particles
01/13/2005WO2004046035A3 Method for producing alkaline earth sulphate nanoparticles
01/13/2005US20050008557 Surface treatment; prewashing, stabilization; heating
01/12/2005CN2670338Y Carbonizer for producing nanometer calcium
01/12/2005CN1562760A Method for preparing calcium carbonate in medicine grade from oyster
01/12/2005CN1562759A Innoxious production method for producing strontium carbonate through carbon reduction of celestite
01/11/2005US6841140 Inner surface of reactor corrosion and wear resistant against scraping blade comprising an alloy including at least two of nickel, chromium, cobalt, iron, tungsten and carbon; and tungsten carbide
01/06/2005WO2005000766A2 Method of preparing stabilised anhydrite iii from plaster and, hydraulic binder thus obtained
01/06/2005WO2005000742A1 Process for the production of platy precipitated calcium carbonates, product produced thereby, and paper incorporating same
01/06/2005US20050002847 Forming suspension from silicate and acid; adding carbon dioxide
01/06/2005CA2528268A1 Process for the production of platy precipitated calcium carbonates, product produced thereby, and paper incorporating same
01/05/2005EP1492728A1 Method for producing a halide brine
01/05/2005EP1377521B1 Method for enriching radium from mixtures of mineral substances containing barium sulfate
01/05/2005EP0988252A4 Seeding of aragonite calcium carbonate and the product thereof
01/05/2005CN1559908A Process for water heat synthesis of nano grade cubic calcium carbonate
01/05/2005CN1559907A Functional calcium oxide and mfg. process and application thereof
12/2004
12/30/2004US20040262435 post-processing of nanoscale powders of oxides, carbides, nitrides, borides, chalcogenides, metals, and alloys; to improve functional and processing characteristics for commercial applications
12/29/2004EP1149047B1 Procedure for preparing silica from calcium silicate
12/29/2004EP1040087B1 Stabilized liquid lime dispersion for sewage treatment
12/29/2004CN1558882A A process for manufacturing potassium sulfate fertilizer and other metal sulfates
12/29/2004CN1558870A Recovery of sodium chloride and other salts from brine
12/29/2004CN1557706A Method for preparing wollastonite extra white powder using discharging waste liquid of soda production
12/23/2004US20040258612 Organic lime slurry and method of preparation
12/23/2004US20040258592 Regeneration of calcium oxide or calcium carbonate from waste calcium sulphide
12/23/2004CA2470015A1 Regeneration of calcium oxide or calcium carbonate from waste calcium sulphide
12/22/2004EP1487927A1 Method for the production of precipitated calcium carbonate with a high degree of brightness
12/22/2004EP1487753A2 Method of improving material comprising a pozzolanic component
12/22/2004EP1487283A1 Preparation of nutrient rich salt of plant origin
12/22/2004CN1180995C Method for treating high-concentration sulfur dioxide waste liquid
12/21/2004US6832735 Post-processed nanoscale powders and method for such post-processing
12/16/2004WO2004108597A1 Light calcium carbonate, method for production thereof and loading material for loading into paper
12/16/2004US20040253170 Process for producing nano-powders and poeders of nano-particles loose aggregate
12/16/2004US20040253157 Methods for recovering at least one metallic element from ore
12/15/2004EP1485329A1 Device for drying and/or firing gypsum
12/15/2004EP1409410B1 Recovery of titanium from titanium bearing materials
12/15/2004CN2663396Y Synthesis reactor of manometer calcium carbonate
12/15/2004CN1555500A Photolithographic method and uv transmitting fluoride crystals with minimized spatial dispersion
12/15/2004CN1555499A Photolithographic uv transmitting mixed fluoride crystal
12/15/2004CN1555343A Recovery of titanium from titanium bearing materials
12/15/2004CN1554588A Process for producing super fine barium sulfate and calcium carbonate using chloralkali salt mud
12/15/2004CN1179879C Composite cerium-zirconium barium oxides and preparing method thereof
12/14/2004US6830822 A pigment with modified properties because of the powder size being below 100 nanometers. Blue, yellow and brown pigments are illustrated. Nanoscale coated, un-coated, whisker inorganic fillers are included. Stoichiometric and
12/14/2004US6830615 Combustion, comminution, carbonation waste paper
12/09/2004WO2004106564A2 Method for recovering at least one metallic element like cesium from ore
12/09/2004WO2004106236A1 Platy precipitated calcium carbonate synthesis method
12/09/2004US20040247519 Method for regenerating calcium sulfate
12/09/2004US20040247513 Process for the production of platy precipitated calcium carbonates, product produced thereby, and paper incorporating same
12/09/2004CA2527535A1 Platy precipitated calcium carbonate synthesis method
12/08/2004CN1178860C Process for preparing barium chloride by chlorating and calcining carbonate-type barium ore
12/07/2004US6827920 Preparing a halide aqueous solutions; preparing a fluoride aqueous solution; preparing a barium salt aqueous solution; mixing for generating a precipitate of BaFX-based crystals, in which X represents any of Br, Cl and I
12/07/2004US6827914 Method, apparatus and use of chelating agents for the purification of calcium sulphate
12/07/2004US6827878 Reacting a barium compound, halogen compound and rare earth compound in aqueous solution containing water soluble polymer; dehydration; firing
12/02/2004US20040241442 Methods of providing nano-talc powders
12/02/2004US20040241430 Methods of manufacturing particles
12/02/2004US20040241082 Mixing with water in high shear chemical reactors; chelate compounds; filler for papermaking
12/02/2004US20040241076 Carbonation suspension of calcium hydroxide with phosphate; filled paper
12/02/2004US20040237719 Recovery of titanium from titanium bearing materials
12/01/2004EP1482087A1 A process of recovering alkali from black liquor of papermaking
12/01/2004CN1551855A Method for obtaining precipitated calcium carbonate particles of nanometric scale structure
12/01/2004CN1177762C Electrolysis purifying of calcium carbonate
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