Patents for C01F 11 - Compounds of calcium, strontium, or barium (8,019)
11/2004
11/25/2004US20040234768 Powder coated with titania film and method for production thereof
11/25/2004US20040234443 reacting calcium hydroxide with carbon dioxide; carbonization; controlling particle sizes; using rotational bed under gravity ; fillers
11/24/2004EP1479652A1 Process and apparatus for the preparation of a nitrogen oxide reducer for flue gases
11/24/2004EP1478701A1 Method for reducing the size of metallic compound particles
11/24/2004EP1139995B1 Fine suspensions of poorly soluble calcium salts and their use in dental care products
11/24/2004EP0654096B1 Methods of biomass pretreatment
11/24/2004CN1548375A Nano level light calcium carbonate producing process and apparatus
11/23/2004CA2429456A1 Recovery of cement kiln dust through precipitation of calcium sulfate using sulfuric acid solution
11/18/2004WO2004099077A2 Synthetic carbide lime filler composition, a method of making same, and its use as a filler in thermoplastic resins
11/18/2004WO2004098740A2 Process for sequestering carbon dioxide and sulfur dioxide
11/18/2004WO2004052784A3 Ultra-dry calcium carbonate
11/18/2004US20040229061 Photostimulable phosphor and method for producing photostimulable phosphor
11/18/2004US20040228788 Contacting flue gas with coal ash water slurry, reacting carbon dioxide in the flue gas with calcium oxide in coal ash to form calcium carbonate; recycling the waste; use as desulfurizing agent
11/17/2004EP1292538B1 Stabilised calcium hydroxide slurries
11/17/2004CN1547554A Method for the preparation of lactic acid and calcium sulphate dihydrate
11/11/2004WO2004084851A3 A treatment composition
11/11/2004US20040225050 surface carbonation of calcium hydroxide using calcium carbonate; process control hydration ; white color
11/10/2004CN1544870A Ultra-fine calcium preparing and drying technique
11/10/2004CN1544535A Method for purifying and whitening calcium carbonate
11/09/2004US6814947 Method for producing calcium compounds containing water of crystallization
11/04/2004WO2004094312A1 Method of purifying metal salt, method of deacidifying titanium material and method of producing the same
11/04/2004WO2004094043A2 Carbonation of metal silicates for long-term co2 sequestration
11/04/2004US20040219090 Sequestration of carbon dioxide
11/04/2004US20040218345 Products comprising nano-precision engineered electronic components
11/04/2004CA2523135A1 Carbonation of metal silicates for long-term co2 sequestration
11/03/2004EP1472186A1 Improvement of flue gas desulfurization gypsum-dewatering through crystal habit modification by carboxylic acids
11/03/2004EP1297074A4 Composite precipitated calcium carbonate/silicon compound pigment
10/2004
10/28/2004US20040213705 Carbonation of metal silicates for long-term CO2 sequestration
10/27/2004EP1470077A1 A process for recovery of low sodium salt from bittern
10/27/2004CN1172855C Process for preparing and modifying synthetic calcium carbonate
10/27/2004CN1172854C Method for prepn. of calcium carbonate particles
10/20/2004CN1537810A Production method of high-performance calcium oxide
10/14/2004WO2004087574A1 Dispersant for the wet grinding of heavy calcium carbonate
10/14/2004WO2004086883A1 Dolomite food additive composition and food composition containing the same
10/14/2004US20040202608 Method for the precipitation of poorly-soluble materials such as barium sulphate for example and precipitation capsule
10/14/2004US20040200405 Crystallization method
10/12/2004US6803105 Calcium oxide product and method for making same
10/12/2004US6802901 Method of making high purity optical fluoride crystals
10/07/2004WO2004084851A2 A treatment composition
10/07/2004WO2004084850A1 A dental treatment composition
10/07/2004US20040197483 filling a pressure container with 1. material coated with a matrix, 2. a polymer, each containing a carboxyl, amino, hydroxyl, phosphonic acid, phosphoric acid, ammonium, trimethylammonium, sulfonic acid, or sulfuric acid group, 3. a carbonate; and supplying CO2 to deposit a carbonate film on the matrix
10/07/2004US20040197262 Micronized barium sulfate
10/07/2004US20040195738 Continuous method and apparatus for manufacture of uniform size flake or powder
10/07/2004CA2519030A1 A treatment composition
10/06/2004CN1169721C Non-cooling process of producing nano calcium carbonate
10/06/2004CN1169709C Prepn process of fluoride and nano composite fluoride particle
09/2004
09/29/2004CN2644404Y Carbonization reaction tower for preparing light calcium carbonate
09/29/2004CN1532149A Utilizing method for waste sulfuric radical
09/29/2004CN1168661C Method for preparing strontium carbonate
09/28/2004CA2215500C Ink jet recording paper incorporating novel precipitated calcium carbonate pigment
09/23/2004WO2004080899A1 Use of polyacrylic acids as grinding aids for calcium carbonate
09/23/2004DE10311617A1 Use of at least partly neutralised polyacrylic acid with a mol. wt. of 5000-30000 containing alkylthio end groups, as an auxiliary material for the wet-milling of calcium carbonate
09/23/2004CA2518622A1 Use of polyacrylic acids as grinding aids for calcium carbonate
09/22/2004CN1167622C Preparation method of barium titanate powder body
09/22/2004CN1167620C Calcium carbonate and method for producing the same
09/16/2004US20040180203 Nanomaterial compositions with distinctive shape and morphology
09/16/2004US20040179988 Mesoporous carbonates and method of making
09/16/2004US20040178530 High volume manufacturing of nanoparticles and nano-dispersed particles at low cost
09/16/2004DE10309611A1 Preparation of calcium fluoride for optical item, especially lens involves adding aqueous solution of calcium salt and/or aqueous solution containing fluoride ions to solution containing an acid(s) that is free of fluoride
09/15/2004EP1457459A1 Surface-treated calcium carbonate, method for production thereof and resin composition comprising said calcium carbonate
09/15/2004EP1280736B1 Method for producing calcium nitrate granules
09/15/2004EP1200351B1 Electrolytic purification of calcium carbonate
09/15/2004CN1166448C Liquid phase nano powder body and preparation method of nano particle agglutinative structure material
09/14/2004US6790424 Process for generation of precipitated calcium carbonate from calcium carbonate rich industrial by-product
09/14/2004US6790352 Process for treating acid mine water with moderate to high sulfate content
09/10/2004WO2004076353A1 Process for producing calcium fluoride
09/10/2004WO2004076352A1 Spherical calcium carbonate and method for production thereof
09/10/2004WO2004076033A1 Method for absorbing and fixing carbon dioxide in combustion waste gas
09/08/2004EP1454886A1 Process for disposal of calcareous mud
09/08/2004EP0981667B1 Aragonitic precipitated calcium carbonate pigment for coating rotogravure printing papers
09/08/2004CN1526642A Prepn of superfine light precipited calcium carbonate
09/08/2004CN1165487C One-step carbonization process of preparing cubic calcium carbonate of 80-100 nm size
09/07/2004US6787196 Apparatus for making a web of paper or board containing calcium carbonate
09/02/2004US20040170820 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.
09/02/2004US20040168785 Method for kraft waste reclamation
09/02/2004DE10330325A1 Verfahren zur Hydratisierung von Anhydriten A process for the hydration of anhydrites
09/01/2004CN1164495C Process for producing nanometer calcium carbonate by ultrasonic cavitation technology
08/2004
08/26/2004US20040167251 having an average particle diameter d50 of from 0.1 to 10 mu m and precipitated by mixing of barium- or of sulfate-containing solution
08/26/2004US20040166047 carbonation of milk of lime in the presence of a crystallization controller that is 5-15% citric acid, polyacrylic acid ( 500 and 15 000 molecular weight), dioctyl sodium sulphosuccinate or polyaspartic acid; nanofibers and nanoplates
08/26/2004DE10307333A1 Purifying powdered calcium fluoride, by calcining in a rotary tube furnace, made from rings of calcium fluoride, with the powder treated with nitrogen base before or during heating
08/25/2004EP0837114B1 Ultraviolet absorber composition and process for production thereof
08/25/2004CN1163412C Process of directly depositing strontium carbonate or barium carbonate from neutral strontium or barium salt solution using carbon dioxide
08/24/2004US6780391 Forming calcium sulfate di-hydrate from synthetic materials, dehydrating to form calcium sulfate anhydrite, rehydrating anhydrite by immersing in water or aqueous salt solution, allowing calcium sulfate di-hydrate to crystallize out
08/19/2004US20040162376 For the preparation of sealants, adhesives or plastisols
08/18/2004EP1446354A1 Production of hydrogen from hydrocarbons and oxygenated hydrocarbons
08/18/2004EP1222146B1 Method for the continuous production of precipitated calcium carbonate
08/18/2004CN1522227A Process and apparatus for the production of calcium bromide by liquid-liquid extraction
08/18/2004CN1162321C Amorphous La1-xSrxMnO3-5 compound and its prepn
08/12/2004US20040156777 Base-facilitated reformation reactions of organic substances
08/12/2004US20040154770 Method and device for loading fibers contained in a fibrous suspension with calcium carbonate
08/11/2004EP1445238A1 Method for recycling calcium sulfate
08/11/2004EP1444387A1 Preparation of feedstock of alkaline earth and alkali metal fluorides
08/11/2004CN1520262A Prepn. of nutrient rich salt of plant origin
08/10/2004US6774556 Device with Mn2+ activated green emitting SrAl12O19 luminescent material
08/05/2004WO2004064562A2 Cultured pearl nuclei and method of fabricating same from calciumcarbonate precursor powders
08/04/2004EP1441984A1 High surface area incineration product
08/03/2004CA2307975C Depleted uf6 processing plant and method for processing depleted uf6
07/2004
07/29/2004WO2004063312A2 Production of organic acid and ammonium nitrate
07/29/2004US20040147636 Surface treatment; preheating; reacting with carboxylic acid
07/29/2004CA2553082A1 Production of organic acid and ammonium nitrate
1 ... 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 ... 81