| Patents for C04B 11 - Calcium sulfate cements (2,042) |
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| 10/31/1996 | CA2219582A1 Processing equipment and method for pulverulant calcium sulphate material and novel hydraulic binder |
| 10/16/1996 | EP0737172A1 Method and plant for producing plaster from gypsum by calcining in direct contact with hot carrier gases |
| 10/08/1996 | US5562892 Treating aqueous slurry of sludge with polyhydric alcohol stabilizer to stabilize hemihydrate to obtain crystals growth at controlled acidic ph and temperature |
| 10/02/1996 | EP0734755A1 Dry process for the removal of sulfur from waste gases |
| 09/19/1996 | DE3844938C2 Calcium sulphate alpha-mono:hydrate mfr. by autoclaving di:hydrate |
| 09/04/1996 | CN1032686C Low calcium cement for glass-fiber reinforced cement products |
| 08/08/1996 | WO1996023741A1 Method and apparatus for continuous refractoryless calcining of gypsum |
| 07/27/1996 | CA2167978A1 Process for the production of alpha hemihydrate calcium sulfate from flue gas desulfurization materials |
| 07/10/1996 | CN1126183A Preparation of a phosphomagnesia cement |
| 07/03/1996 | CN1125698A Cement of mineral slugs with high amount of sulfate, cement of furnace slug and production of same |
| 06/26/1996 | EP0531478B1 Process for calcining moist gypsum |
| 06/19/1996 | EP0716892A1 Process for the treatment of waste material |
| 06/12/1996 | CN1124228A Compounding method and recipe for producing sulfuric acid and cement from low grade natural gypsum |
| 06/04/1996 | US5522928 Binder for interior plasters |
| 05/28/1996 | US5520779 Gypsum |
| 05/22/1996 | CN1122728A Solid-liquid separator and wet flue gas desulfurization apparatus |
| 05/21/1996 | US5518541 Phosphomagnesia cements having reduced sensitivity to water |
| 04/24/1996 | CN2225471Y High efficiency energy saving gypsum revolving calcining kiln |
| 04/10/1996 | CN1031499C Outer decomposition technology and device for plaster kiln |
| 03/27/1996 | EP0621800B1 Process for briquetting and compacting fine grained materials |
| 03/23/1996 | CA2158881A1 Method for treating fgd waste to produce alpha plaster and sulphur dioxide |
| 03/06/1996 | EP0699469A1 Solid-liquid separator and wet flue gas desulphurization apparatus |
| 01/24/1996 | CN1115309A Gypsum composite and its production technique |
| 01/10/1996 | CN1030654C Method for producing carbonified flyash building material products by using boiler fume |
| 12/19/1995 | CA2003046C Composite material and method of producing |
| 12/14/1995 | WO1995033698A1 Cementitious gypsum-containing compositions and materials made therefrom |
| 10/04/1995 | EP0675088A2 Binder for hydraulically setting flowing plasters |
| 09/30/1995 | CA2145738A1 Binder for hydraulically setting self-levelling floor screeds |
| 09/20/1995 | EP0672634A2 Process for continuous production of alpha-calcium sulphate hemihydrate from calcium sulphate dihydrate |
| 09/12/1995 | CA1336984C Method of making a fast setting hydraulic binder |
| 08/17/1995 | WO1995021685A1 Environmentally friendly flue gas purification process and system |
| 08/17/1995 | DE4404284A1 Anordnung und Verfahren zur umweltverträglichen Rauchgasreinigung Apparatus and method for environmentally sound flue gas cleaning |
| 08/09/1995 | CN1029472C Production of plaster ceramic glazed tile by utilizing plaster or waste plaster slag |
| 08/01/1995 | US5437850 Fluidizing the hydrate with hot gas and contact with heat exchanging surfaces to remove surface water; conveying to a similar second heat exchanger to remove water of crystallization |
| 07/18/1995 | US5433388 Usage application of a machine for recycling gypsum plaster board |
| 07/12/1995 | EP0662460A1 Binder for interior plaster |
| 07/05/1995 | EP0661242A1 Preparation of phosphomagnesium cements |
| 07/05/1995 | EP0606338B1 Use of a machine for reprocessing sandwich-type plaster boards |
| 06/29/1995 | WO1995017354A1 Method and plant for producing plaster from gypsum by calcining in direct contact with hot carrier gases |
| 06/28/1995 | CN2202127Y Intermittent ratating drum type gypsum powder frying machine |
| 06/14/1995 | DE4342407A1 Hydraulic binder lengthening processing times and shortening hardening times |
| 06/07/1995 | EP0655990A1 Process for baking gypsum and oven for carrying out said process. |
| 05/17/1995 | EP0597912B1 Use of mixing, granulating and drying device |
| 05/09/1995 | US5413284 Method of and apparatus for treating plasterboard-production scrap |
| 04/04/1995 | CA1335034C Process for making calcium sulfate alpha-hemihydrate from calcium sulfate dihydrate |
| 03/01/1995 | EP0640572A1 Method and apparatus for heating and grinding materials |
| 02/28/1995 | CA2130965A1 Method and apparatus for heating and grinding materials |
| 02/14/1995 | CA1334332C Process for making construction grade calcium sulfate alpha hemihydrate from moist finely divided gypsum obtained from a power plant glue gas desulfurization |
| 02/01/1995 | EP0444153B1 Composite material and method of producing |
| 01/24/1995 | US5383967 Natural silica-containing cement and concrete composition |
| 01/17/1995 | CA1334028C Method for producing and using a cement-type binding material |
| 01/11/1995 | CN1097198A Advanced geopolymer composites |
| 11/16/1994 | CN1026578C Alpha-semi water plaster stone producing method and equipment |
| 11/09/1994 | CN1094700A Process for producing high-intensity corrosion-proof gypsum powder |
| 11/08/1994 | US5362471 Dewatering to form moist powder, compaction by roll press into sheets and fracturing into chips |
| 11/02/1994 | EP0621800A1 Process for briquetting and compacting fine grained materials. |
| 10/12/1994 | CN1093347A Method for improving hardness and strength of plaster articles |
| 09/14/1994 | EP0614858A1 Geopolymer-modified, gypsum-based construction material |
| 09/14/1994 | CN1092047A Safety self-stress aluminum sulfate cement and its manufacturing method |
| 09/12/1994 | CA2091491A1 Geopolymer-modified, gypsum-based construction material |
| 08/24/1994 | EP0611735A1 Dry stucco mortar mixture |
| 08/09/1994 | CA1331280C Furnace for dehydrating pulverulent or granular materials |
| 08/04/1994 | DE4303000A1 Sepn. of sulphate(s) from industrial effluent by electrodialysis |
| 07/20/1994 | EP0606338A1 Use of a machine for reprocessing sandwich-type plaster boards. |
| 06/30/1994 | DE4243763A1 Raw powder mixt |
| 06/14/1994 | US5320677 Slurrying gypsum and wood fibers, calcining, watering, rehydrating; wallboard |
| 06/08/1994 | EP0599929A1 Process and device for producing fibre-reinforced plaster plates |
| 06/08/1994 | EP0599925A1 Process and device for producing multi-layered, fibre-reinforced plaster plates |
| 05/25/1994 | EP0597912A1 Use of mixing, granulating and drying device. |
| 04/27/1994 | CN1085879A Phosphogypsum used to make reinforcing gypsum pellets for cement prodn. |
| 04/20/1994 | CN1085529A Plaster mat coat powder of used die in porcelain factory and its producing method |
| 04/12/1994 | US5302200 Hydrating and plasticizing admixture for dense concrete |
| 04/05/1994 | CA1328286C Self-levelling mortar mixture |
| 03/30/1994 | CN1084499A Method and apparatus for producing high-strength hemihydrate gypsum |
| 03/03/1994 | WO1994004472A1 Process for baking gypsum and oven for carrying out said process |
| 02/24/1994 | DE4227988A1 Utilisation of organic contaminated finely granulated residue - by addition of binder medium in piece form for use as additive in cement prodn. |
| 02/02/1994 | CN1081426A Low-calcium cement for prodn. of glass-fiber reinforced cement products |
| 01/18/1994 | CA1326310C Lightweight joint compound having improved paintability |
| 01/12/1994 | CN1080623A Volcanic ash ardealite cement producing process |
| 12/28/1993 | US5273581 Method of making a hydraulic binder settable upon combination with water |
| 12/22/1993 | CN1079724A Outer decomposition technology and device for plaster kiln |
| 12/08/1993 | EP0572781A1 Process for the preparation of alpha-hemihydrate from calcium sulphate dihydrate in a reactor |
| 10/27/1993 | CN1077664A Comprehensive utilization of gypsum for flue gas desulfurizing |
| 10/20/1993 | CN2144125Y Calcining device for gypsum powder |
| 09/29/1993 | CN1076675A Equipment for production of high-strength alpha-type semi-hydrated gypsum |
| 09/28/1993 | US5248487 Process for the conversion of calcium sulfate dihydrate into alpha-hemihydrate |
| 09/23/1993 | DE4208836A1 Calcined gypsum prodn. - by introducing material into hot gas flow at different temp. points and returning exhaust gas to main gas flow at different temp. points |
| 09/01/1993 | CN1021965C Inorganic water-proof plaster stone ceiling |
| 08/19/1993 | WO1993011867A3 Process for briquetting and compacting fine grained materials |
| 08/11/1993 | CN1075131A Anhydrite cement products and its production method |
| 08/04/1993 | CN1074893A High-strength ornamental gypsum cement and its mfg. method |
| 06/24/1993 | WO1993011867A2 Process for briquetting and compacting fine grained materials |
| 06/09/1993 | DE4140019A1 Verfahren zum brikettieren und kompaktieren von feinkoernigen anorganischen stoffen A method for briquetting and compacting of feinkoernigen inorganic substances |
| 04/15/1993 | WO1993007101A1 Use of a machine for reprocessing sandwich-type plaster boards |
| 04/14/1993 | EP0536340A1 High permeability metal casting plaster and method of making same |
| 04/13/1993 | CA1315956C Highly efficient calcination of gypsum to hemihydrate |
| 04/08/1993 | DE4132906A1 Verwendung einer maschine zur gipskartonplattenwiederaufarbeitung Using a machine for plasterboard again working up |
| 04/07/1993 | EP0535156A1 Fluidized calcining process |
| 03/31/1993 | EP0534458A1 Process for producing gypsum flake from flue gas desulfurization |
| 03/16/1993 | US5194091 Waterproof, fireproof wallboard from slurries |