| Patents for C04B 11 - Calcium sulfate cements (2,042) |
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| 03/24/2005 | WO2005000766A3 Method of preparing stabilised anhydrite iii from plaster and, hydraulic binder thus obtained |
| 03/23/2005 | CN1597589A Multifunction high strength gypsum dehydration technology equipment |
| 03/16/2005 | CN1594176A Gypsum powder combined material for master mould |
| 03/16/2005 | CN1594175A Manufacturing method of inside burning type construction gypsum |
| 03/01/2005 | CA2213499C Method for preparing foamed gypsum product |
| 02/22/2005 | US6858074 Comprising hydraulic cement and a combination admixture system comprising a polycarboxylate high range water reducing dispersant in combination with an accelerator and a retarder; workability |
| 02/02/2005 | EP1501769A1 Ettringite binder for dense mortar, comprising calcium sulphates and a mineral compound of calcium aluminates |
| 01/26/2005 | EP1499569A2 Foamed fireproofing composition and method |
| 01/26/2005 | CN1569718A Method for source modification treatment of fluoro-gypsum |
| 01/26/2005 | CN1569642A Process for preparing alpha-semi-hydrated gypsum from modified gypsum at normal pressure |
| 01/20/2005 | US20050011415 Heat exchanging from slag to calcium sulfate; controlling particle size; autoclaving; binders |
| 01/12/2005 | CN1562861A Gypsum heat preservation dry powder |
| 01/06/2005 | WO2005000766A2 Method of preparing stabilised anhydrite iii from plaster and, hydraulic binder thus obtained |
| 01/05/2005 | DE10326623A1 Verfahren zur Herstellung des erhärteten Gipses von feuchtigkeitsbeständigen Gipsbauteilen Process for the preparation of the hardened plaster of moisture resistant gypsum components |
| 12/29/2004 | CN1557760A Acoustic-insulation heat-preservation material using attapulgite particle |
| 12/22/2004 | EP1487757A1 Sprayable machinable media |
| 12/22/2004 | EP1487756A1 High molecular weight additives for calcined gypsum and cementitious compositions |
| 12/22/2004 | CN1180995C Method for treating high-concentration sulfur dioxide waste liquid |
| 12/16/2004 | WO2004085333A3 Calcium sulphate-based compositions and methods of making same |
| 12/15/2004 | EP1485330A1 High strength flooring compositions |
| 12/15/2004 | EP1485329A1 Device for drying and/or firing gypsum |
| 12/14/2004 | CA2212208C Method and apparatus for continuous refractoryless calcining of gypsum |
| 11/03/2004 | EP1472186A1 Improvement of flue gas desulfurization gypsum-dewatering through crystal habit modification by carboxylic acids |
| 10/07/2004 | WO2004085333A2 Calcium sulphate-based compositions and methods of making same |
| 10/05/2004 | US6800383 Tungsten carbide alloyed with fluorine |
| 10/05/2004 | CA2336436C Process for producing gypsum from a calcium sulfite gas desulfurization slurry |
| 09/29/2004 | CN1532164A Method for producing building gypsum powder using phosphrus gypsum |
| 09/23/2004 | US20040182286 Hydrated powder; forming briquets under high pressure; roasting; hydration; drying; grinding |
| 09/15/2004 | CN1528702A Whitewashing gypsum and preparing method thereof |
| 09/15/2004 | CN1528698A Gypsum tailing wall block and preparing method thereof |
| 09/15/2004 | CN1528694A Anhydrite agglutinate antifrost method and antifrost anhydrite agglutinate thereof |
| 09/02/2004 | DE10330325A1 Verfahren zur Hydratisierung von Anhydriten A process for the hydration of anhydrites |
| 09/01/2004 | EP1451124A1 Material comprising gypsum and blast furnace slag, a process and an installation of making the same |
| 08/26/2004 | DE10304772A1 Preparing molded articles from gypsum, useful in manufacture of cement, where the gypsum is derived from gas desulfurization units and is mixed with coal fly ash before compaction |
| 07/22/2004 | WO2004061253A2 Cementitious veneer and laminate material |
| 07/21/2004 | CN1513794A Technical method of phosphoric acid waste slag treatment to form calcification gypsum powder |
| 07/21/2004 | CN1513766A Techlogogy for making alpha semi-water desulfur gypsum using normal pressure salt solution method |
| 07/08/2004 | WO2004056465A1 Method and apparatus for heat treatment in a fluidized bed |
| 07/08/2004 | DE10260741A1 Verfahren und Anlage zur Wärmebehandlung von feinkörnigen Feststoffen Method and apparatus for heat treatment of fine-grained solids |
| 07/01/2004 | US20040126602 Cementitious veneer and laminate material |
| 06/30/2004 | CN1508088A Method for preparing colour terraalba from waste gypsum containing chromium |
| 06/23/2004 | EP1431256A2 Process for hydrating anhydrite |
| 06/22/2004 | US6752895 Water spray for smooth surface gypsum fiberboard panels |
| 06/16/2004 | EP0889861B1 Process for the production of a gypsum wod fibre product having improved water resistance |
| 06/16/2004 | CN1153745C Method and system for multi-stage calcining of gypsum to produce anhydrite product |
| 06/16/2004 | CN1153663C Structural sheathing panels |
| 06/10/2004 | US20040107874 Cementitous compositions and a method of their use |
| 06/02/2004 | EP1272340A4 Structural sheathing panels |
| 05/19/2004 | CN1150347C Tungsten carbide coating and method for producing the same |
| 05/11/2004 | US6733261 Comprises blower, distribution manifold, and nozzles to direct air flow against the surface and through slurry thud dispersing clumps or flocs of crystals in the depth of the finished panel |
| 04/28/2004 | CN1147446C Process for producing gypsum plate and gypsum wood fiber plate |
| 04/21/2004 | EP1183216B1 METHOD AND ARRANGEMENT FOR PRODUCING $g(a)-CALCIUM SULPHATE HEMIHYDRATE USING THE GYPSUM SUSPENSION PRODUCED DURING THE WET FLUE GAS DESULPHURIZATION OF A FOSSIL-FIRED THERMAL POWER STATION |
| 04/21/2004 | CN1490271A Alpha-type hemihydrated gypsum producing process and apparatus thereof |
| 04/15/2004 | DE202004002707U1 Gebrannter Gips Plaster of Paris |
| 04/14/2004 | CN1488597A Crystalline gypsum |
| 03/16/2004 | US6706113 Heating then quickly quenching calcium sulfate (gypsum); dehydration; cement binder |
| 03/03/2004 | CN1478751A Method and device for making cement slow coagulating agent using chemical gypsum |
| 03/02/2004 | US6699364 Water spray for smooth surface gypsum fiberboard panels |
| 02/12/2004 | WO2003082766A8 High strength flooring compositions |
| 02/12/2004 | US20040026002 Lightweight gypsum board product and method of manufacture |
| 02/04/2004 | EP1385799A1 Method of producing calcium sulfate alphahemihydrate |
| 01/28/2004 | EP0810920B1 Method for preparing foamed gypsum product |
| 01/07/2004 | EP1377532A1 Cementitious compositions and a method of their use |
| 01/02/2004 | EP0844987B1 Method and system for multi-stage calcining of gypsum to produce an anhydrite product |
| 12/03/2003 | EP1367032A1 Hydraulic binder resulting from a mixture of a sulfate binder and a pozzolanic binder |
| 11/25/2003 | US6652825 In presence of crystallization catalysts; applying microwave radiation |
| 11/19/2003 | CN1456524A Phosphogypsum processing method by phosphamidon fag-end |
| 11/06/2003 | WO2003091179A1 Ettringite binder for dense mortar, comprising calcium sulphates and a mineral compound of calcium aluminates |
| 11/05/2003 | CN1453234A Ardealite curing modification process |
| 11/04/2003 | US6642285 Implant comprising calcium cement and hydrophobic liquid |
| 10/29/2003 | CN1451616A Method for treating high-concentration sulfur dioxide waste liquid |
| 10/09/2003 | WO2003082767A1 Sprayable machinable media |
| 10/09/2003 | WO2003082766A1 High strength flooring compositions |
| 10/09/2003 | WO2003082765A1 High molecular weight additives for calcined gypsum and cementitious compositions |
| 10/08/2003 | EP1349818A1 Lightweight gypsum board product and method of manufacture |
| 09/24/2003 | EP1152993B1 Method for producing an anhydrite iii or alpha based hydraulic bonding agent |
| 09/18/2003 | WO2003076356A1 Device for drying and/or firing gypsum |
| 09/18/2003 | US20030175193 FGD gypsum dewatering improvement through crystal habit modification by carboxylic acids |
| 09/18/2003 | CA2415644A1 Converting fluorogypsum to calcium sulfate |
| 09/16/2003 | US6620487 Structural sheathing panels |
| 09/03/2003 | CN2570274Y Chemical gypsum powder semi-boiling continuous and intermittent type dual-purpose calcining furnace |
| 08/14/2003 | WO2003066525A1 Improvement of flue gas desulfurization gypsum-dewatering through crystal habit modification by carboxylic acids |
| 07/24/2003 | US20030138616 Application of methylenediphenyldiisocyanate for producing gypsum/wood fiber board |
| 07/23/2003 | CN1115311C Method for mfg. chemical gypsum for cement |
| 07/10/2003 | US20030127026 High early-strength cementitious composition |
| 06/18/2003 | CN1424273A Treating method of phosphogypsum |
| 06/12/2003 | WO2003048069A1 Material comprising gypsum and blast furnace slag, a process and an installation of making the same |
| 05/28/2003 | CN1109663C Process for producing a-type semihydrated gypsum by utilizing citric acid gypsum offscum |
| 05/14/2003 | EP1039964B1 Method and device for exploiting the flue-gas heat in brown coal power stations with wet flue-gas desulphurisation |
| 04/23/2003 | CN1106362C Fire-resistant spraying material, and plate containing the same, and method for mfg. structural material |
| 04/23/2003 | CN1106361C High-strength damp-proof building material and its producing method |
| 04/02/2003 | CN1104388C Cement of mineral slugs with high amount of sulfate and its production of same |
| 03/25/2003 | CA2225092C Cementitious compositions and their uses |
| 03/20/2003 | DE10155140C1 Production of a building plate used in industrial/domestic buildings comprises mixing a support layer with a solvent and/or retarder and water/feeding to a mold, applying heat insulating layer and solidifying, and applying a plaster layer |
| 03/13/2003 | US20030049450 Water spray for smooth surface gypsum fiberboard panels |
| 03/11/2003 | US6531210 Application of methylenediphenyldiisocyanate for producing gypsum/wood fiber board |
| 02/18/2003 | CA2201540C Efficient production of landplaster by collecting and classifying gypsum fines |
| 02/11/2003 | US6517790 Converting fluorgyp to calcium sulfate |
| 02/05/2003 | CN1394823A 改性磷石膏及其制备 Modification of phosphogypsum and preparation |
| 01/29/2003 | CN1394167A Structural sheathing panels |