| Patents for C01F 11 - Compounds of calcium, strontium, or barium (8,019) |
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| 08/16/2001 | WO2001058809A2 Barium sulphate, method for producing same and the use thereof |
| 08/16/2001 | EP1123901A1 Process for the production of di-hydrated calcium sulfate from exhausted sulfuric acid |
| 08/16/2001 | EP0746406B1 Method for surface-modifying a polymeric membrane, and resulting membrane |
| 08/15/2001 | CN1308594A Method for manufacturing a calcium nitrate melt and products thereof |
| 08/14/2001 | US6274662 Vulcanizable elastomeric compositions containing surface treated barium sulfate and vulcanizates thereof |
| 08/08/2001 | CN1307541A Extrusion product based on hydrated lime |
| 08/07/2001 | US6270570 Fluoride crystal, optical article, and production method |
| 08/02/2001 | DE10030550A1 Verfahren und Vorrichtung zur Herstellung von kalzinierter Knochenasche Method and apparatus for the production of calcined bone ash |
| 08/01/2001 | CN1305956A Process for preparing calcium carbonate deposit by continuous method |
| 07/31/2001 | CA2232302C Method of manufacturing high purity calcium carbonate |
| 07/26/2001 | WO2001053203A1 Method for producing calcium carbonate |
| 07/26/2001 | US20010009649 Gas refining system |
| 07/24/2001 | US6264904 Process for recovery of cobalt by selective precipitation of cobalt-calcium double salt |
| 07/19/2001 | US20010008540 Calcium flouride crystal, optical article and exposure apparatus for photo-lithography using the same |
| 07/12/2001 | WO2001049610A1 Process for producing spindle-shaped calcium carbonate |
| 07/12/2001 | WO2001049609A2 Highly reactive barium carbonate |
| 07/11/2001 | EP1114219A1 Calcium carbonate synthesis method and resulting product |
| 07/11/2001 | EP1114105A1 Precipitated calcium carbonate product having improved brightness and method of preparing the same |
| 07/11/2001 | EP1113990A1 Method for producing sodium chloride crystals |
| 07/11/2001 | EP1113875A1 Dispersion and stabilization of reactive atoms on the surface of metal oxides |
| 07/11/2001 | CA2294987A1 Process for increasing the water solubility of gypsum |
| 07/10/2001 | CA2087949C Vaterite and its manufacturing process |
| 07/05/2001 | DE19964060A1 Hochreaktives Bariumcarbonat Highly reactive barium carbonate |
| 07/03/2001 | US6254843 Process for the reclamation of calcium sulfite produced by a calcium-based FGD system |
| 07/03/2001 | US6254783 Adjusting ph of aqueous solution so that hydroxide precipitates of metal species in its highest valency state are insoluble; passing aqueous solution through cell to raise valence to form insoluble hydroxide; removing precipitate |
| 07/03/2001 | CA2211281C Metal fluoride particles and a dental composition including said metal fluoride particles |
| 07/03/2001 | CA2096536C Calcium and/or magnesium hydroxyde, its preparation and its use |
| 06/27/2001 | EP1110595A1 Reduction of calcium and chloride in the flue gas desulfurization process |
| 06/27/2001 | CN1067658C Aqueous slurry of precipitated calcium carbonate and ground calcium carbonate in combination |
| 06/26/2001 | US6251356 Precipitation of calcium carbonate from mixtures, feeding a slurry, bubbling a gas stream, agitation |
| 06/26/2001 | US6251222 Filler for use in paper manufacture and procedure for producing a filler |
| 06/23/2001 | CA2323337A1 Reduction of calcium and chloride in the flue gas desulfurization process |
| 06/21/2001 | US20010004713 Macro-porous composite support for medicinal substance(s) that can be used as a bone reconstitution material and a method of producing it |
| 06/21/2001 | DE10033478A1 Sanitization of processing residues from the potash and rock salt industry comprises dissolving out soluble salts and recovering them as useful products |
| 06/20/2001 | CN1300243A Process for the production of ultrafine powders |
| 06/20/2001 | CN1067349C Detoxication utilization for barium and chromium slag |
| 06/14/2001 | WO2001042139A1 Method for producing calcium carbonate in cubic form |
| 06/13/2001 | CN1299337A Method of producing potassium sulfate |
| 06/13/2001 | CN1298848A Process for preparing K fertilizer from non-soluble potassium ore and waste ammonia-soda solution |
| 06/12/2001 | US6245314 Calcium sulfide oxidation method |
| 06/06/2001 | CN1297847A Comprehensive utilization method of waste ammonia sode liquid and sodium sulfate containing waste liquid |
| 05/31/2001 | US20010002386 Absorbent and process for making same |
| 05/31/2001 | US20010002247 By separating hydrogen sulfide(H2S) by-product from raw fuel treatment; combusting the H2S with a catalyst or combustion improver to produce sulfur dioxide gas, then reacting with oxygen and calcium carbonate under wet conditions; purity |
| 05/25/2001 | WO2001036069A1 Process and apparatus for the reclamation of calcium sulfite produced by a flue gas desulfurization system |
| 05/24/2001 | US20010001383 Producing fluoride crystal via adding scavenger to calcium fluoride raw material and refining, then growing a crystal by using a crucible lowering method; excimer lasers |
| 05/23/2001 | EP1100753A1 Extrusion product based on hydrated lime |
| 05/23/2001 | CN1296463A Process for producing calcium carbonate |
| 05/23/2001 | CN1295976A Method for producing high-activity super fine grain barium titanate |
| 05/23/2001 | CN1295971A Novel process for producing sodium hydrosulfide by utilizing by-products in production of barium salt |
| 05/22/2001 | CA1341237C Superconducting metal oxide compositions and process for manufacture |
| 05/16/2001 | EP1099023A1 Method for making paper, assembly for implementing the method and paper product produced by the method |
| 05/16/2001 | EP0815174B1 Ink jet recording paper incorporating novel precipitated calcium carbonate pigment |
| 05/15/2001 | US6231822 Recovering chloride and sulfate compounds from spent potliner |
| 05/09/2001 | CN1065556C Colouring agent for paint |
| 05/09/2001 | CN1065512C Process for preparing calcium carbonate |
| 05/08/2001 | US6228924 Calcium-iron oxide composite particles and resin molded product containing the same |
| 05/08/2001 | US6228904 Nanostructured fillers and carriers |
| 05/08/2001 | US6228249 Electrolytic purification of calcium carbonate |
| 05/08/2001 | US6228161 Use of calcium carbonate in an acidic aqueous media |
| 05/03/2001 | WO2001030700A1 Calcium carbonate, and method for producing the same |
| 05/03/2001 | WO2000048477A8 Acidic solution of sparingly-soluble group iia complexes |
| 05/02/2001 | EP1094985A1 Method of procucing potassium sulfate |
| 05/02/2001 | EP1094910A1 Process for the production of ultrafine powders |
| 05/02/2001 | EP1009778A4 Method for producing high solids aqueous acid-resistant calcium carbonate suspensions and product thereof |
| 05/02/2001 | CN1293642A Process for preparing and modifying synthetic calcium carbonate |
| 05/02/2001 | CN1293217A Additive used for drain type asphalt paving material mixture |
| 05/01/2001 | US6226128 Light-transmitting optical member, manufacturing method thereof, evaluation method therefor, and optical lithography apparatus using the optical member |
| 05/01/2001 | US6224844 Process for the production of calcium fluoride |
| 04/25/2001 | CN1292767A Synthesis method for powder ceramic complexes of refractory metals |
| 04/25/2001 | CN1064931C Solvent process for preparing strontium carbonate |
| 04/24/2001 | US6221332 Multiple stream high pressure mixer/reactor |
| 04/24/2001 | US6221322 Strontium nitrate and method for manufacturing same |
| 04/24/2001 | US6221146 Preparing suspension in an aqueous medium of calcium hydroxide particles; adding carbon dioxide to precipitate calcium carbonate crystals; concentrating by dewatering; adding dispersing agent |
| 04/19/2001 | WO2001027935A2 Process for the treatment of radioactive graphite |
| 04/19/2001 | WO2001027031A1 Calcium oxide product and method for making same |
| 04/17/2001 | US6217840 Production of fumed silica |
| 04/17/2001 | US6217836 Recovering carbon, silica and alumina from spent potliner |
| 04/12/2001 | WO2001025001A1 Beads of polycrystalline alkali-metal or alkaline-earth metal fluoride, their preparation and their use |
| 04/11/2001 | EP1089939A1 Method of processing sulfur-containing materials derived from flue gas desulfurization or other sources |
| 04/11/2001 | CN1291248A Calcium carbonate synthesis method and resulting product |
| 04/10/2001 | US6214313 High-purity magnesium hydroxide and process for its production |
| 04/03/2001 | US6210605 May be used as a display device or lamp phosphor or as an x-ray diagnostic or laser scintillator |
| 03/29/2001 | US20010000063 Porous aggregates of calcium carbonate precipitated onto the surface of noil which fibrils are produced by refining from cellulose fibre and/or mechanical pulp fiber; adhesion; spacings; optics; tensile strength; papermaking |
| 03/29/2001 | DE19946148A1 Production of metastable supersaturated gypsum or anhydrite solution for sealing or consolidating stone or immobilizing harmful substance involves dissolving calcium hydroxide in dilute sulfuric acid containing precipitation inhibitor |
| 03/27/2001 | US6207126 Adding calcium oxide or hydroxide to preciptate magnesium and calcium; filtering; adding oxalic acid to preciptate calcium oxalate; adding barium to precipitate barium sulfate; adjusting to ph 7 to precipitate a sodium-free lithium |
| 03/27/2001 | US6207125 Recycling of flux material |
| 03/20/2001 | US6203722 For treatment of biological solids in sewage |
| 03/15/2001 | WO2001017905A1 Method for the continuous production of precipitated calcium carbonate |
| 03/15/2001 | WO2000066495B1 Method, apparatus and use of chelating agents for the purification of calcium sulphate |
| 03/15/2001 | DE19943093A1 Verfahren zur kontinuierlichen Herstellung von gefälltem Calciumcarbonat Process for the continuous production of precipitated calcium carbonate |
| 03/14/2001 | EP1083211A2 Method and apparatus for preparing rare earth-activated barium fluorhalide based phosphor |
| 03/14/2001 | CN2423273Y calcium nitrite absorption plant |
| 03/07/2001 | EP1081197A1 Ink jet recording paper incorporating milled precipitated calcium carbonate pigment |
| 03/07/2001 | EP1080039A1 Calcium carbonate suspension and method for making same |
| 03/06/2001 | US6197200 Method of purifying flue gas waste slurries for use in gypsum production |
| 03/01/2001 | WO2001014253A1 Flowable alkaline fluorides and alkaline earths fluorides |
| 03/01/2001 | WO2000072685A8 Method for producing bactericide |
| 02/28/2001 | EP1078019A1 Precipitated calcium carbonate and its production and use |
| 02/28/2001 | CN1285312A novel process for preparing fodder grade calcium hydrophosphate and by-product calcium carbonate and ammonium chloride by hydrochloric acid method |
| 02/27/2001 | US6194070 Surface treated barium sulfate and method of preparing the same |