| Patents for C04B 2 - Lime, magnesia or dolomite (2,806) |
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| 08/08/1995 | CA2063390C Feeding system for a lime reburning kiln |
| 08/03/1995 | DE4444507A1 Sintered magnesia used to mfr. magnesia-carbon@ bricks |
| 07/26/1995 | CN1029371C Process for preparing high effective active lime powder for jet metallurgical process |
| 07/18/1995 | CA2024037C Dust recycling to rotary kilns |
| 07/06/1995 | WO1995018078A1 Lime sludge treatment process |
| 07/05/1995 | CN1104614A Production of lime powder mixed with hemp and paper fibres |
| 07/04/1995 | US5430237 Slurrying oil shale with drilling mud; agitating and adding activated lime; hydrating; generating heat and steam; venting, drying |
| 06/28/1995 | EP0660060A1 Process and central burner for heating of shaft furnaces |
| 06/21/1995 | CN2201398Y Secondary ventilation apparatus for lime kiln |
| 05/31/1995 | EP0655273A2 Process for purification of gases and exhaust gases |
| 05/31/1995 | CN2199205Y Indirect heating calciner for active lime |
| 05/24/1995 | DE4339622A1 Highly dispersed slaked lime prodn. |
| 05/09/1995 | US5413635 Lime sludge treatment process |
| 04/20/1995 | WO1995010490A1 Lime sludge treatment process |
| 04/20/1995 | DE4402926C1 Sintered magnesia, process and apparatus for producing sintered magnesia and its use |
| 04/20/1995 | DE4335030A1 Lime shaft kiln |
| 03/23/1995 | DE4325829C1 Process for preparing calcium hydroxide-rich binders for concretes, mortars, plasters, renders, screeds or slurries and use of the binders thus prepared |
| 03/21/1995 | US5399048 Forming barriers to prevent pollution |
| 03/01/1995 | EP0480960B1 Feeding system for a lime reburning kiln |
| 02/02/1995 | DE4325595A1 Building material with deformable properties for underground mining |
| 01/26/1995 | DE4324111A1 Process and apparatus for burning mineralogical and petrographic compounds and mixtures |
| 01/19/1995 | DE4323865A1 Process for the chemical pretreatment of residual plastics material |
| 01/10/1995 | US5380505 Forming calcium sulfate by sulfation of lime |
| 01/03/1995 | US5378319 Lime mud calcining using dielectric hysteresis heating |
| 12/22/1994 | WO1994029233A1 Method of capping exposed land areas and particulate materials deposited thereon |
| 11/30/1994 | EP0592422B1 Process for producing sintered magnesia |
| 11/29/1994 | US5368731 Vacuum assisted slaker classifier |
| 11/15/1994 | US5364446 Entrainment; high speed; roasting; molten bath reactors |
| 11/15/1994 | US5364265 Equipment for and method of precalcining any mineral materials whatsoever |
| 11/08/1994 | US5362499 Burned abalone shells and sesame powder |
| 11/08/1994 | CA2123016A1 Lime production method |
| 11/02/1994 | EP0621800A1 Process for briquetting and compacting fine grained materials. |
| 11/01/1994 | CA1332856C Reactivity - enhancing lime grinding agent, aqueous suspensions of refined lime and their uses |
| 10/11/1994 | US5354787 Soil-stabilizing agent and a method for soil-stabilizing treatment |
| 10/11/1994 | US5354375 Drying, compacting and heat treatment |
| 09/22/1994 | DE4308549A1 Process for producing calcined metal compounds in a rotary tube furnace |
| 09/06/1994 | US5344599 Process for producing sintered magnesia |
| 09/01/1994 | WO1994019282A1 High-activity calcium oxide, powder produced therefrom, process for producing the powder, and powdery preparation |
| 08/09/1994 | US5336481 Agitating lime and water in an inner vessel disposed in an outer vessel, the heat from the final slaking operation being used to insulate the lime in the initial slaking chamber |
| 08/03/1994 | CN1090259A White emplaster in bag and its process |
| 07/27/1994 | CN1089927A Method for roasting pollution-free refined lime using after heat of brick-making by coal gangue |
| 07/26/1994 | US5332436 Method of increasing the surface area and plastic properties of hydrated lime |
| 07/19/1994 | US5330572 Method of slaking quicklime contained in ash |
| 07/14/1994 | DE4300235A1 Lime kiln |
| 06/30/1994 | DE4244130A1 Burner for firing limestone in blast furnace |
| 06/29/1994 | EP0603998A1 Method for the calcination of limestone |
| 06/29/1994 | CN1025180C Magnesium oxide extracting method from serpentine |
| 06/23/1994 | WO1994013308A1 A burn remedial composition using natural materials and its production method |
| 06/16/1994 | DE4241939C1 Recycling alkali-contg. circulation gas from combustion zone back to firing zone in shaft furnace - using a mixer tube to add hot gas to the circulation gas which prevents deposits in the injector nozzles. |
| 06/08/1994 | CN1087603A Stable lime slurries |
| 05/17/1994 | CA1329479C Apparatus for roasting fine grained material |
| 05/10/1994 | US5310498 Sulfur dioxide removal from gases using a modified lime |
| 04/27/1994 | EP0594332A1 Stabilised lime slurries |
| 04/26/1994 | US5306475 Purifying exhaust gases with calcium hydroxide modified with silica gel or activated alumina |
| 04/21/1994 | CA2108322A1 Stable lime slurries |
| 04/20/1994 | EP0592422A1 Process for producing sintered magnesia. |
| 04/06/1994 | CN1024128C Resmelting reductive technique for improving purity of magnesite |
| 04/06/1994 | CN1024125C Productive method of high-activity and purity calcium hydroxide |
| 03/29/1994 | CA1328118C Production of sintered dolomite in a rotary kiln |
| 03/16/1994 | CN1023996C Method for producing highly active calcium oxide |
| 03/15/1994 | US5294408 Compact lime slaker |
| 03/15/1994 | CA1327694C Conversion of calcium compounds into solid and gaseous compounds |
| 03/03/1994 | DE4233600C1 Treatment of plastic wastes contg. metallic or organic impurities - involves washing with aq. alkaline medium to provide material useful as additive for building materials |
| 02/16/1994 | CN1082003A Process to prepare activated calcium |
| 02/15/1994 | US5286293 Multifunctional powder material for protecting buildings and process for the same |
| 01/11/1994 | US5277837 Method and composition for treating flue or exhaust gases utilizing modified calcium hydroxide |
| 01/04/1994 | US5275650 Microparticles of ethylene polymers or copolymers for grinding |
| 12/29/1993 | CN2151149Y Waste heat utilizer for lime kiln |
| 12/14/1993 | CA1325104C Expandable cement composition |
| 12/01/1993 | EP0572322A1 Installation and process for the precalcination of any mineral matters |
| 12/01/1993 | CN1078961A Method and apparatus for different material weighing and mixing dosage |
| 11/10/1993 | CN2145791Y Reuse apparatus for waste heat from lime kiln |
| 11/09/1993 | US5260041 Fuel and air injected at at controlled rates at multilevels |
| 09/23/1993 | DE4208239A1 Coke-fired shaft furnace start=up process - avoids emissions and irregular furnace heating |
| 09/21/1993 | US5246648 Grinding, shaping, deacidizing, calcining |
| 09/16/1993 | DE4206541A1 Micro-porous lime foam granulate for waste gas esp. flue gas purificn. - with low density and large surface area and prodn. by adding unslaked lime to foam compsn. |
| 09/15/1993 | EP0560715A1 Shaft furnace for burning of lumpy mineral material |
| 09/15/1993 | EP0559650A1 High surface area hydrated lime and methods |
| 09/15/1993 | CN1076270A Vertical furnace for sintering mineral stock |
| 09/08/1993 | EP0558522A1 Method for preparing calcium and/or magnesium hydroxide, and use thereof. |
| 09/08/1993 | CN1075936A Method for extracting magnesium oxide from serpentine |
| 08/19/1993 | WO1993011867A3 Process for briquetting and compacting fine grained materials |
| 08/11/1993 | CN1075130A Smelting method of higbh-grade middle-class magnesite |
| 08/11/1993 | CN1075129A Smelting method of high-grade reburned magnesia |
| 08/11/1993 | CN1075128A Method for smelting high-grade electric smelting magnesite |
| 08/05/1993 | DE4302539A1 Fluid highly conc. stable calcium and/or magnesium hydroxide slurry - for producing micro-flakes and granules, obtd. by slaking oxide with aq. acid and adding polyanion |
| 08/03/1993 | US5232678 Slaking, carbonating and neutralizing using regant |
| 07/28/1993 | CN1074710A Treating process for filtering residue of lactic acid fermentation liquid |
| 07/27/1993 | US5230880 Process and device for forming calcium oxide |
| 06/29/1993 | US5223239 Method of preparing hydrated lime |
| 06/24/1993 | WO1993011867A2 Process for briquetting and compacting fine grained materials |
| 06/23/1993 | CN1021365C Air supply preheater for vertical lime kiln or similar kilns |
| 06/09/1993 | DE4140019A1 Verfahren zum brikettieren und kompaktieren von feinkoernigen anorganischen stoffen A method for briquetting and compacting of feinkoernigen inorganic substances |
| 06/08/1993 | US5217624 Method for the disposal of aqueous sewage sludge |
| 05/25/1993 | US5213496 Feeding system for a lime reburning kiln |
| 05/11/1993 | US5210112 Soil-stabilizing agent and a method for soil-stabilizing treatment |
| 04/20/1993 | US5204073 Toxicity elimination and comprehensive utilization of chrome residues |
| 03/16/1993 | US5193997 Apparatus for preheating granular material |
| 03/11/1993 | DE4206542C1 Continuous and rapid processing of lime - by adding to foam material contg. water, foaming agent and diatomaceous earth to slake it |
| 02/24/1993 | CN2127386Y Solution preparation unit of solid containing dregs |