| Patents for C01F 11 - Compounds of calcium, strontium, or barium (8,019) |
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| 03/04/1999 | DE19737778A1 Phase-pure calcium sulfate alpha-hemihydrate production |
| 03/03/1999 | EP0899235A1 Calcium sulfide oxidation method and apparatus |
| 03/03/1999 | EP0898597A1 Acid resistant calcium carbonate composition and uses therefor |
| 03/02/1999 | US5876689 Process for the manufacture of milk of lime |
| 02/23/1999 | US5875220 Irradiating molten rubidium, then extracting strontium isotopes; used in tomography |
| 02/23/1999 | US5873935 Coating color |
| 02/18/1999 | WO1999007466A1 Multiple stream high pressure mixer/reactor |
| 02/18/1999 | DE19736154A1 Optimising gypsum quality during wet flue gas desulphurisation |
| 02/17/1999 | CN1208017A Solvent process for preparing strontium carbonate |
| 02/16/1999 | CA2050974C Sulfur dioxide removal process with gypsum and magnesium hydroxide production |
| 02/04/1999 | WO1999004887A1 Process for producing highly reactive lime in a furnace |
| 02/02/1999 | US5865898 Methods of biomass pretreatment |
| 01/28/1999 | WO1999003795A1 Method and apparatus for the processing of phosphate gypsum waste |
| 01/26/1999 | CA2117146C Fgd performance enhancement by hydroclone |
| 01/21/1999 | WO1999002608A1 Method for producing high solids aqueous acid-resistant calcium carbonate suspensions and product thereof |
| 01/20/1999 | EP0892111A1 Aqueous suspensions from mineral materials and their uses |
| 01/20/1999 | CN1205347A Polyolefin materials suitable for optical fiber cable components |
| 01/20/1999 | CN1205307A Integrate prodn. method for barium chloride and magnesium carbonate |
| 01/19/1999 | US5861209 Aragonitic precipitated calcium carbonate pigment for coating rotogravure printing papers |
| 01/19/1999 | US5861133 Salt formation from aluminum compound, zinc compound with nickel, copper, cobalt and magnesium |
| 01/19/1999 | CA2205493C Method for production of sodium bicarbonate, sodium carbonate and ammonium sulfate from sodium sulfate |
| 01/13/1999 | EP0890860A2 Optical fiber cable components made from polyolefin materials |
| 01/13/1999 | EP0890550A1 Apparatus for in particular continuous preparation of calcium carbonate in dispersed form |
| 01/12/1999 | CA2007823C Low density agglomerate |
| 01/07/1999 | EP0855991A4 Stabilized calcium carbonate composition using sodium carbonate and mixtures of acids and uses therefor |
| 01/06/1999 | CN1041529C Process for fining and bleaching barite powder |
| 12/30/1998 | WO1998059020A1 Integrated apparatus and process for high recovery of acetylene from the reaction of calcium carbide with water |
| 12/30/1998 | WO1998058877A1 A process for converting phosphogypsum wastes |
| 12/30/1998 | EP0851839A4 Method of manufacturing high purity calcium carbonate |
| 12/30/1998 | CN1203566A Process for preparation of discrete particles of calcium carbonate |
| 12/30/1998 | CN1203192A Process for surface modification of calcium carbonate and talk |
| 12/29/1998 | US5853691 Silver halides of altered crystal habit or morphology and methods for producing same |
| 12/29/1998 | US5853686 Calcium carbonates of altered crystal habit or morphology and methods for producing same |
| 12/29/1998 | CA2061307C Producing carbon-14 isotope from spent resin waste |
| 12/23/1998 | CN1202874A Stabilized calcium carbonate composition using sodium carbonate and mixtures of acids and uses thereof |
| 12/23/1998 | CN1202873A Process for producing calcium oxide, strontium oxide and barium oxide showing a high value of water sorption speed and oxides thus obtained |
| 12/22/1998 | US5851507 Integrated thermal process for the continuous synthesis of nanoscale powders |
| 12/22/1998 | US5851500 Removal of uranium contamination from magnesium fluoride slag |
| 12/22/1998 | CA2067815C Apparatus and process for the production of acetylene |
| 12/18/1998 | CA2237960A1 Manufacture of precipitated calcium carbonate of improved colour with stable crystalline form |
| 12/17/1998 | WO1998056490A1 Improvements to methods for desulphurizing fumes by wet process |
| 12/09/1998 | EP0882100A1 Acid resistant carbonate composition containing an aluminum or magnesium hydroxide and uses therefor |
| 12/08/1998 | US5846501 Process for the selective recovery of the salt constituents from used hardening shop salts which contain nitrite-nitrate |
| 12/08/1998 | US5846500 Process for purifying highly impure calcium hydroxide and for producing high-value precipitated calcium carbonate and other calcium products |
| 12/08/1998 | US5846428 Method for modifying the surface of a polymer membrane, and a membrane thus modified |
| 12/08/1998 | US5846378 Treatment of solid containing material derived from effluent of wastepaper treating plant |
| 12/02/1998 | EP0812300B1 Calcium carbonate precipitation method |
| 11/26/1998 | WO1998052870A1 Seeding of aragonite calcium carbonate and the product thereof |
| 11/21/1998 | CA2238292A1 Method of obtaining and using particulate calcium carbonate |
| 11/19/1998 | WO1998051860A1 Aragonitic precipitated calcium carbonate pigment for coating rotogravure printing papers |
| 11/19/1998 | WO1998051616A1 Process for the production of gypsum from sulphuric acid containing waste streams |
| 11/19/1998 | WO1998051614A1 A modified magnesium hydroxide slurry for use in treating wastewater and a process for producing thereof |
| 11/18/1998 | CN1040739C Precipitated calcium carbonate preparation using waste from dicyandiamide plant |
| 11/11/1998 | EP0876996A1 Process for the preparation of calcium sulfate-alpha hemi-hydrate |
| 11/10/1998 | US5833747 Forming precipitated calcium carbonate by carbonating aqueous lime-containing medium to produce aqueous suspension of calcium carbonate, comminuting |
| 11/10/1998 | CA2097996C Method of sulfur dioxide removal from gaseous streams with alpha-hemihydrate gypsum product formation |
| 11/04/1998 | EP0743875B1 Environmentally friendly flue gas purification process and system |
| 11/03/1998 | US5830422 Continuous processing |
| 11/03/1998 | CA2125846C Process for preparation of high opacity precipitated calcium carbonate by reacting sodium carbonate with calcium hydroxide |
| 11/03/1998 | CA2087857C Precipitated calcium carbonate |
| 10/27/1998 | CA2116468C Recycling of spent pot linings |
| 10/21/1998 | EP0872449A1 A barium carbonate suspension for use in industrial processes |
| 10/21/1998 | EP0871680A1 Surface modified calcium carbonate composition and uses therefor |
| 10/21/1998 | EP0871525A1 Liquid medium extraction purification method |
| 10/20/1998 | US5824273 Gas refining system |
| 10/14/1998 | CN1196075A Surface modified calcium carbonate composition and use therefor |
| 10/13/1998 | US5820831 Apparatus for grinding into finely divided particles |
| 10/07/1998 | EP0869203A2 Fluoride crystal, optical article, and production method |
| 10/07/1998 | EP0868562A1 Process for the conversion of calcium sulfide |
| 10/07/1998 | CN1195382A Method of separating impurities from lime and lime sludge and method of causticizing green liquor containing impurities, such as silicon in two stages |
| 10/07/1998 | CN1194944A Oral superfine calcium carbonate for human calcium supplement and its producing method |
| 09/30/1998 | EP0866770A1 Process for the preparation of discrete particles of calcium carbonate |
| 09/30/1998 | CN1194175A Drier composition |
| 09/24/1998 | WO1998041475A1 Apparatus and process for the preparation of precipitated calcium carbonate |
| 09/24/1998 | WO1998041472A1 Ammonium sulfate produced from flue-gas scrubber liquor |
| 09/23/1998 | EP0714240B1 Reduced absorption of fatty acids |
| 09/23/1998 | EP0708680B1 Oxidation process |
| 09/23/1998 | EP0638110B1 Improved process for preparing silica coated inorganic particles |
| 09/23/1998 | CN1193603A Production of calcium carbonate from shells |
| 09/23/1998 | CN1193602A Preparation of lightweight calcium carbonate |
| 09/22/1998 | US5811070 Process for producing calcium carbonate particles having a size of 0.1 to 1.0 μm |
| 09/17/1998 | WO1998040456A1 A process for making a selected crystalline calcium carbonate builder for use in detergent compositions |
| 09/17/1998 | WO1998040455A1 A selected crystalline calcium carbonate builder for use in detergent compositions |
| 09/16/1998 | EP0863845A1 Process for producing calcium oxide, strontium oxide and barium oxide showing a high value of water sorption speed and oxides thus obtained |
| 09/16/1998 | EP0739310B1 Method and device for producing high-purity gypsum |
| 09/11/1998 | WO1998029601A3 The use of calcium carbonate in an acidic aqueous media |
| 09/02/1998 | EP0861209A1 Ca(OH)2 PARTICLES |
| 08/26/1998 | EP0859885A1 Acid resistant calcium carbonate filler |
| 08/26/1998 | CN1191495A Liquid medium extraction purification method |
| 08/25/1998 | US5798087 Complete combusting the pure hydrogen sulfide separated from dehydrogenation, desulfurization of raw fuel |
| 08/12/1998 | EP0857763A1 Grinding of pigments consisting of alkaline earth metal pigments |
| 08/12/1998 | EP0857692A1 Process for making calcium chloride scales and use of the process |
| 08/12/1998 | EP0857691A1 Pourable alkaline-earth carbonates |
| 08/12/1998 | EP0857160A2 Micronized alkaline earth metal carbonate |
| 08/11/1998 | US5792440 Forming a suspension of a source of calcium oxide or hydroxide (lime kiln dust); hydration; settling; bubbling carbon dioxide through supernatant; settling |
| 08/06/1998 | WO1998033743A1 Hydration of alkaline earth metal oxide to produce alkaline earth metal hydroxide |
| 08/05/1998 | EP0855991A1 Stabilized calcium carbonate composition using sodium carbonate and mixtures of acids and uses therefor |
| 08/05/1998 | CN1189458A Aqueous slurry of precipitated calcium carbonate and ground calcium carbonate in combination |
| 08/05/1998 | CN1189452A Novel method for prodn. of nitrate |
| 08/05/1998 | CN1039402C Wet process for superfine heavy calcium carbonate |