| Patents for C01F 11 - Compounds of calcium, strontium, or barium (8,019) |
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| 08/07/1985 | EP0150573A1 Process for producing finely divided limestone |
| 08/07/1985 | EP0077331B1 Process and device for manufacturing synthetic anhydrous calcium sulphate and pure hydrofluoric acid |
| 07/30/1985 | US4532113 Treating with limestone in molten bath of calcium chloride hydrate |
| 07/30/1985 | EP0140915A4 Catalytic process for accelerated decarboxylation of calcium carbonate and blend therefor. |
| 07/17/1985 | EP0148524A1 Process for the regeneration of an organic solution of a water-insoluble organic nitrogen base from an organic solution of its hydrochloride and process or production of alkali-metal bicarbonate |
| 07/02/1985 | US4526764 Scrubber operating method for the desulfurization of flue gases |
| 06/18/1985 | US4523906 Device for drying gypsum |
| 06/11/1985 | CA1188485A1 Alkali regeneration process |
| 06/05/1985 | EP0143363A2 Calcite filling matter and process for its production |
| 05/28/1985 | US4520002 Method for preparing elemental sulfur as a diffusion-resistant gas and methods for its use in making lime, sulfur dioxide and sulfuric acid from waste gypsum |
| 05/15/1985 | EP0140915A1 Catalytic process for accelerated decarboxylation of calcium carbonate and blend therefor. |
| 05/14/1985 | CA1186867A1 Phosphoanhydrite process |
| 05/08/1985 | EP0140644A2 Calcium carbonate in a platelet-like particulate form and a method for the preparation thereof |
| 05/08/1985 | EP0139802A2 Flue gas desulfurization process |
| 05/07/1985 | US4515754 Washing tower for the desulfurization of flue gases |
| 04/30/1985 | US4514374 Using an alkanol as a reducing agent with an alkaline salt and bro |
| 04/30/1985 | CA1186134A1 Lime slaker |
| 04/11/1985 | EP0096718A4 Process for reducing radioactive contamination in phosphogypsum. |
| 04/09/1985 | US4509987 Contain copolymer of acrylic acid and 2-acrylamido-2-methylpropanesulfonic acid |
| 04/02/1985 | US4508574 Process for improving the fluidity and conveyability of moist calcium sulfate precipitates |
| 03/19/1985 | CA1184006A1 Method of processing digesting chemicals for cellulose production |
| 03/12/1985 | US4504458 Gypsum conversion |
| 03/05/1985 | US4503020 Large crystal dihydrate |
| 03/05/1985 | US4503019 Blends of magnesium oxide and copperoxychloride as calcium oxide deposit inhibitors in coal fired lime kilns |
| 03/05/1985 | US4503018 Desulfurization of phosphogypsum |
| 02/27/1985 | EP0133444A2 Process for the preparation of barium sulfate with increased fluidity and density suitable as a shadow producing component in X-ray contrast agents, product obtained by this process and X-ray contrast agents prepared therefrom |
| 02/05/1985 | CA1181925A1 Phosphohemihydrate process for purification of gypsum |
| 01/22/1985 | US4495162 Preparation of a calcium sulfate anhydrite material of low chloride content |
| 01/22/1985 | US4495160 Removal and recovery of magnesium, strontium and barium from brines |
| 12/19/1984 | EP0128689A1 Iron chloride waste treatment in molten salt |
| 12/18/1984 | US4489045 Recovery of by-product calcium chloride from chlorination of titaniferous ores |
| 12/11/1984 | US4487784 Limestone-gypsum flue gas desulfurization process |
| 12/04/1984 | US4486394 Agglomeration of fines with delignification liquid |
| 12/04/1984 | US4486391 Separation and recovery of ionic substances by fluorine-containing compound |
| 11/21/1984 | EP0126050A1 A method for producing fibrous gypsum |
| 11/21/1984 | EP0125383A2 Destruction of halogen-containing materials |
| 11/20/1984 | CA1178026A1 Treatment of chlorination residue |
| 11/20/1984 | CA1178024A1 Process for the production of dry flue gas gypsum |
| 11/14/1984 | EP0125225A1 A method for producing fibrous gypsum (III) |
| 11/14/1984 | EP0125224A1 A method for producing fibrous gypsum |
| 11/14/1984 | EP0125163A1 Treatment of the liquors entering the causticizing cycle of the Kraft process with a view to a subsequent use of the calcium carbonate |
| 11/06/1984 | CA1177467A1 Method of selectively removing adsorbed calcium and magnesium from cation exchange resins |
| 10/30/1984 | US4479926 Combustion, scrubbing |
| 10/29/1984 | EP0094967A4 Lime slaker. |
| 10/24/1984 | EP0122646A1 Process for separating off calcium nitrate tetrahydrate by crystallization |
| 10/23/1984 | US4478810 Method of treating final products from flue gas desulfurization |
| 10/03/1984 | EP0120808A2 Finely divided calcium carbonate and method of preparing it |
| 10/02/1984 | CA1175209A1 Continuous process for the production of light-weight calcium sulfate |
| 09/27/1984 | WO1984003691A1 Catalytic process for accelerated decarboxylation of calcium carbonate and blend therefor |
| 09/27/1984 | WO1984003690A1 Method for the preparation of phosphoric acid and calcium sulphate |
| 09/18/1984 | US4472370 Reacting quicklime with halide or nitrate |
| 08/22/1984 | EP0116097A2 Method of recovering uranium |
| 08/15/1984 | EP0115586A1 Process for wet grinding of natural and/or synthetic carbonates |
| 08/07/1984 | US4464353 Quicklime slaking process |
| 07/31/1984 | US4462976 Converting chlorides to calcium chloride, adding sulfuric acid to produce gypsum and hydrochloric acid |
| 07/17/1984 | US4460551 Process and device for manufacturing synthetic anhydrous calcium sulphate and pure hydrofluoric acid |
| 07/11/1984 | EP0113139A1 Process for the preparation of boric acid as well as process for the preparation of silica using boric acid thus obtained |
| 07/03/1984 | US4457848 Process for after-treating extraction residues originating from the decontamination of phosphoric acid |
| 07/03/1984 | US4457781 Mixing with hydratable calcium sulfate |
| 06/27/1984 | EP0112317A1 A method for re-crystallizing gypsum |
| 06/13/1984 | EP0096075A4 Conversion of fluoroanhydrite to plaster. |
| 06/12/1984 | CA1169051A1 Photographic products and processes employing novel nondiffusible bridged azoaminophenol magenta dye- releasing compounds and precursors thereof |
| 06/05/1984 | US4452770 Acidulation of phosphate rock with sulfuric acid and phosphoric acid |
| 06/05/1984 | CA1168418A1 Process for reducing radioactive contamination in phosphogypsum |
| 05/30/1984 | EP0109491A2 Process for improving the fluidity and transportability of wet calcium sulphate precipitates |
| 05/29/1984 | US4451443 Calcining limestone, alkali metal additives |
| 05/23/1984 | EP0108842A1 Calcium carbonate dispersions |
| 05/16/1984 | EP0108249A1 Process for drying moist gypsum, especially gypsum from a wet flue gas desulphurisation plant, and device for carrying out the process |
| 05/15/1984 | US4448682 Production of purified brine |
| 05/08/1984 | US4447262 Destruction of halogen-containing materials |
| 05/01/1984 | CA1166426A1 Aluminum electrolytic cell cathode waste recovery |
| 03/20/1984 | CA1163777A1 Preparation of white liquor |
| 03/13/1984 | US4436703 Lime slaker |
| 03/13/1984 | CA1163417A1 Treating calcined gypsum with solubilizing agent |
| 03/06/1984 | US4435370 Alkali fluosilicate intermediate |
| 02/22/1984 | EP0100783A1 Process for conducting endothermic operations |
| 02/21/1984 | US4432954 Heating calcium sulfate dihydrate in sulfuric acid dispersion, crystallization, and separation fine particle sizes |
| 02/14/1984 | CA1162033A1 Process for removing sulfur dioxide from combustion exhaust gas |
| 01/31/1984 | US4428912 From chlorination of aluminum in clay or bauxite |
| 01/24/1984 | US4427643 Passing water upward through powdered line |
| 01/24/1984 | US4427570 Magnesium or calcium oxides with h-ions |
| 01/17/1984 | US4426367 Fixation of nitrogen in the presence of water vapor |
| 01/03/1984 | US4424197 Calcium oxide |
| 01/03/1984 | US4424196 Phosphohemihydrate process for purification of gypsum |
| 01/03/1984 | CA1159762A1 Desupersaturation of supersaturated aqueous calcium sulfate solutions |
| 01/03/1984 | CA1159722A2 Pellet of alkaline earth metal oxide impregnated with a solid, vaporizable organic protective material |
| 12/28/1983 | EP0096718A1 Process for reducing radioactive contamination in phosphogypsum. |
| 12/27/1983 | US4423159 Phenolic cation exchange resin material for recovery of cesium and strontium |
| 12/27/1983 | US4423016 Process for the production of dry flue gas gypsum |
| 12/21/1983 | EP0096075A1 Conversion of fluoroanhydrite to plaster |
| 12/20/1983 | US4421864 Improved ion exchange particle regeneration method |
| 12/20/1983 | US4421731 Dehydration, hydration, seeding, crystallization |
| 12/20/1983 | US4421729 Selective precipitation from solution of nitrate, neutralization of nitric acid |
| 12/20/1983 | US4421662 Nonaqueous purification of mixed nitrate heat transfer media |
| 12/13/1983 | US4420465 Process for desulfurizing an exhaust gas |
| 12/06/1983 | CA1158021A1 Method of producing strontium nitrate |
| 11/30/1983 | EP0094967A1 Lime slaker. |
| 11/29/1983 | US4417997 Method for recovery of metals from spent iron-chrome shift catalyst and method of forming new catalyst |
| 11/08/1983 | US4414185 And potassium hydroxide, lime precipitation, neutralization |
| 10/27/1983 | WO1983003594A1 Fixation of nitrogen in the presence of water vapor |