| Patents for C01F 11 - Compounds of calcium, strontium, or barium (8,019) |
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| 07/13/2000 | WO2000040510A1 Method for recycling fine calcium fluoride powder |
| 07/12/2000 | CN1260016A Aragonitic precipitated calcium carbonate pigment for coating rotogravure |
| 07/11/2000 | US6087294 Dispersion and stabilization of reactive atoms on the surface of metal oxides |
| 07/11/2000 | US6086842 Removal sulfur dioxide by adsorption; mixing withnsodium sulfite and sodium hydroxideforming sodium sulfate; mixingwith calcium hydroxide; recovering gypsum by filtration |
| 07/06/2000 | WO2000039029A2 Production of concentrated carbonate suspensions |
| 07/06/2000 | DE19900021A1 Verfahren zur Herstellung von gefälltem Calciumcarbonaten A process for the production of precipitated calcium carbonates |
| 07/05/2000 | EP1016628A1 Process for the preparation of precipitated calcium carbonate |
| 07/04/2000 | US6083862 Cyclic process for oxidation of calcium sulfide |
| 07/04/2000 | US6083317 Papermaking, acid resistance |
| 06/29/2000 | WO2000037033A1 Fine suspensions of poorly soluble calcium salts and their use in dental care products |
| 06/28/2000 | EP1013741A1 Phosphor preparation method |
| 06/28/2000 | EP1011856A1 Multiple stream high pressure mixer/reactor |
| 06/27/2000 | US6080370 A gas apparatus for air treament of exhaust gas exhausted from a combustion boiler, comprising absorbing liquid to absorb sulfur oxide from the exhaust gas, neutralization |
| 06/21/2000 | EP1009779A1 Bimolecular coated calcium carbonate and process of production thereof |
| 06/21/2000 | EP1009778A1 Method for producing high solids aqueous acid-resistant calcium carbonate suspensions and product thereof |
| 06/21/2000 | DE19858662A1 Nanomolecular suspension of poorly-soluble calcium salts is stabilized by water-soluble surfactant or protective colloid, useful as remineralization agent in toothpaste |
| 06/21/2000 | CN1257460A Apparatus and process for the preparation of precipitated calcium carbonate |
| 06/21/2000 | CN1053642C Process for preparing calcium carbonate |
| 06/15/2000 | WO2000034182A1 Lime treatment |
| 06/13/2000 | US6074521 Method of separating impurities from lime and lime sludge |
| 06/11/2000 | CA2255287A1 Carbon dioxide mitigation and utilization process via chemical fixation to valuable commodities |
| 06/07/2000 | CN1255335A Cathartic |
| 06/06/2000 | US6071336 And water soluble aluminum compound, where spherical clusters of calcite and aragonite consist of rod shaped or needle shaped crystals of given dimensions, specific surface area; use as fillers, additives for toothpaste, paper, plastics |
| 06/02/2000 | WO2000031180A1 Process for hydrophobicizing particles, and their use in polymer dispersions |
| 06/02/2000 | WO2000031179A1 Process for treating particles, and their use in dispersions |
| 06/02/2000 | WO2000031178A1 Process for hydrophobicizing particles, and their use in dispersions |
| 05/31/2000 | EP1004311A1 Evacuant comprising magnesium oxide |
| 05/31/2000 | CN1052963C Prodn. tech for barium sulfate |
| 05/30/2000 | CA2196123C Process for producing ultrafine particles of colloidal calcium carbonate |
| 05/25/2000 | WO2000029485A1 Organic polymer/fine inorganic particle aqueous dispersion with excellent dispersion stability and use thereof |
| 05/25/2000 | CA2350140A1 Organic polymer/inorganic fine particle-dispersed aqueous solution having excellent stability and uses thereof |
| 05/24/2000 | CN1254366A A selected crystalline calcium carbonate builder for use in detergent compositions |
| 05/20/2000 | CA2254559A1 Process for hydrophobicizing particles, and their use in dispersions |
| 05/20/2000 | CA2254330A1 Process for hydrophobicizing particles, and their use in dispersions |
| 05/20/2000 | CA2254150A1 Process for treating particles, and their use in dispersions |
| 05/18/2000 | WO2000027752A1 Method for producing calcium compounds containing water of crystallisation |
| 05/16/2000 | US6063237 Recovering useful materials from what has hitherto been regarded as the waste material produced by an industrial plant for treating paper, especially for de-inking waste paper. |
| 05/11/2000 | WO2000026305A1 Silica-coated alkaline earth metal carbonate pigment |
| 05/04/2000 | WO2000024670A1 Treatment of phospho gypsum |
| 05/02/2000 | US6057398 Aqueous suspensions of mineral materials and their uses |
| 04/27/2000 | DE19848731A1 Verfahren zur Reinigung von Solen, wobei Magnesium und Calcium als Mg(OH)2 und CaCO3 gefällt und von der Sole abgetrennt werden Methods for cleaning soles, with magnesium and calcium as Mg (OH) 2 and CaCO3 precipitated and separated from the brine |
| 04/26/2000 | EP0995820A1 Fluoride refining method and fluoride crystal manufacturing method, and optical part and aligner using same |
| 04/26/2000 | EP0995719A1 Process for the purification of brines under separation of magnesium and calcium as magnesium hydroxide and calcium carbonate |
| 04/26/2000 | EP0863845B1 Process for producing calcium oxide, strontium oxide and barium oxide showing a high value of water sorption speed. |
| 04/19/2000 | EP0828689A4 Metal and fluorine values recovery from fluoride salt matrices |
| 04/19/2000 | CN1051477C 固-液分离器 Solid - liquid separator |
| 04/18/2000 | US6051196 Purification of phosphorus containing scheelite ore |
| 04/13/2000 | WO2000020336A1 Novel rheology regulators such as ground natural calcium carbonates optionally treated with a fatty acid or salt and their use |
| 03/29/2000 | EP0988252A1 Seeding of aragonite calcium carbonate and the product thereof |
| 03/22/2000 | EP0987538A1 Light-transmitting optical element for optical lithography apparatus |
| 03/14/2000 | US6036933 Calcium carbonate precipitation method |
| 03/14/2000 | US6036881 Stabilized liquid lime dispersion for sewage treatment |
| 03/09/2000 | WO2000012433A1 Method for producing sodium chloride crystals |
| 03/09/2000 | CA2341569A1 Method for producing sodium chloride crystals |
| 03/08/2000 | CN1050067C Wet flue gas desulfurization process and system |
| 03/01/2000 | EP0981667A1 Aragonitic precipitated calcium carbonate pigment for coating rotogravure printing papers |
| 03/01/2000 | EP0844905B1 Process for removing carbon dioxide from gas mixtures |
| 02/29/2000 | CA2028904C Sulfur dioxide removal from stack gas |
| 02/24/2000 | WO2000009261A1 Dispersion and stabilization of reactive atoms on the surface of metal oxides |
| 02/23/2000 | CN1245143A Process for preparing strontium carbonate by continuous carbonifying method |
| 02/16/2000 | CN1244497A Preparation of barium carbonate |
| 02/15/2000 | US6025222 Vapor phase growth of a dielectric film and a fabrication process of a semiconductor device having such a dielectric film |
| 02/15/2000 | CA2087173C High surface area hydrated lime and methods |
| 02/09/2000 | CN1049250C Methods of biomass pretreatment |
| 02/08/2000 | US6022517 Made by reacting calcium hydroxide or calcium oxide with carbon dioxide in the presence of a water soluble aluminum compound and controlling specific conductivity; use as commercial filler due to strength, stiffness and sizing |
| 01/27/2000 | WO2000003949A1 Oral composition |
| 01/26/2000 | CN1242757A Use of calcium carbonate in acidic aqueous media |
| 01/26/2000 | CN1048649C Wet process flue gas desulfurization apparatus |
| 01/20/2000 | WO2000003092A1 Method for making paper, assembly for implementing the method and paper product produced by the method |
| 01/20/2000 | WO2000002831A1 Method for manufacturing a calcium nitrate melt and products thereof |
| 01/19/2000 | EP0972000A1 A selected crystalline calcium carbonate builder for use in detergent compositions |
| 01/13/2000 | WO2000001769A1 Covering micro minerals with fat acid in hammer crushers |
| 01/05/2000 | EP0968960A1 Recycling of flux agents |
| 01/05/2000 | EP0968134A1 Apparatus and process for the preparation of precipitated calcium carbonate |
| 01/05/2000 | CN1240408A Dewatering of calcium carbonate |
| 01/05/2000 | CN1047954C Method for desulfurizing exhaust gas |
| 12/29/1999 | CN1239933A Precipitated calcium carbonate and method for the production thereof |
| 12/29/1999 | CN1239932A Process for preparing calcium carbonate |
| 12/29/1999 | CN1239931A Process for preparing calcium carbonate |
| 12/23/1999 | WO1999065823A1 Method of procucing potassium sulfate |
| 12/22/1999 | CN1239166A Process for causticizing green solution of alkali recovered from black liquid of paper-making |
| 12/22/1999 | CN1239076A Process for preparing nm-class strontium titanate |
| 12/14/1999 | US6000341 Methods and composition for mineralizing and fluoridating calcified tissues |
| 12/08/1999 | CN1237538A Agglomeration forming technique of active time fine material |
| 12/07/1999 | US5997833 Apparatus and process for purifying highly impure calcium hydroxide and for producing high-value precipitated calcium carbonate and other calcium products |
| 12/02/1999 | WO1999061374A1 Calcium carbonate suspension and method for making same |
| 12/02/1999 | WO1999061373A1 Extrusion product based on hydrated lime |
| 12/02/1999 | CA2333778A1 Extrusion product based on hydrated lime |
| 12/01/1999 | EP0960913A2 Porous coating pigment and a method for its production |
| 11/30/1999 | US5993772 Method for coproducing calcium carbonate and sodium hydroxide |
| 11/30/1999 | CA2158561C Isolation of the calcium-phosphate crystals of bone |
| 11/25/1999 | WO1999059754A1 Process for the production of ultrafine powders |
| 11/24/1999 | EP0958243A1 Hydration of alkaline earth metal oxide to produce alkaline earth metal hydroxide |
| 11/23/1999 | US5989508 Liquid medium extraction purification method |
| 11/18/1999 | WO1999058450A1 Recovery of strontium activity from a strontium-82/rubidium-82 generator |
| 11/17/1999 | EP0956316A1 Pigment particles coated with precipitated calcium carbonate and a process for the preparation thereof |
| 11/17/1999 | EP0851780A4 Process for the transformation of halogenated refrigerant gases |
| 11/16/1999 | US5985367 Rice grain or spindle shaped precipitated calcium carbonate pigment; calcium oxide slaked with white liquor; causticizing; ink drying |
| 11/11/1999 | DE19820122A1 Inhibiting sedimentation in calcium carbonate suspensions by adding metal compound, e.g. sodium carbonate |
| 11/10/1999 | EP0954512A2 The use of calcium carbonate in an acidic aqueous media |