| Patents for C04B 11 - Calcium sulfate cements (2,042) |
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| 04/24/2008 | DE102006044766B3 Verfahren und Vorrichtung zur Herstellung von Gipsprodukten Method and apparatus for the production of gypsum products |
| 04/23/2008 | CN100382873C Techlogogy for making alpha semi-water desulfur gypsum using normal pressure salt solution method |
| 04/17/2008 | US20080087198 Gypsum composition |
| 04/16/2008 | EP1910243A2 Siloxane polymerization in wallboard |
| 04/16/2008 | CN201046943Y Gypsum powder production line |
| 04/10/2008 | DE102007024188B3 Production of alpha calcium hemihydrate from calcium dihydrate comprises charging an autoclave with calcium dihydrate, indirectly heating the autoclave, adding water in a controlled manner and mixing and further processing |
| 04/09/2008 | EP1907335A2 High strength flooring compositions |
| 04/09/2008 | CN101157526A Device for calcining gypsum in highland and method for calcining gypsum |
| 03/20/2008 | WO2007024420A3 Improved gypsum-containing products containing alpha-hemihydrate |
| 03/20/2008 | WO2000076933A3 Water-resistant gypsum composition |
| 03/19/2008 | CN101143456A Method for manufacturing papered gypsum board with high kalium sodium content ardealite and additive therefor |
| 03/12/2008 | EP1896376A2 Modifiers for gypsum slurries and method of using them |
| 03/05/2008 | CN201031205Y Mixed spiral calcining kiln |
| 03/05/2008 | CN101134345A Method for continuously producing environment-protection light gypsum wall material by using industrial residue |
| 03/05/2008 | CN100372600C Method and apparatus for heat treatment in a fluidised bed |
| 03/04/2008 | US7337587 Construction assembly of plaster boards and a method of assembling a plurality of plaster boards |
| 02/27/2008 | EP1890979A2 Effective use of dispersants in wallboard containing foam |
| 02/27/2008 | CN100371279C Method for producing alpha semi-hydrated gypsum in high intensity, and low expansion |
| 02/26/2008 | US7335254 Alpha-type calcium sulfate hemihydrate compositions and methods of making same |
| 02/20/2008 | CN201024142Y Gypsum powder dehydration machine |
| 02/20/2008 | CN100369850C Comprehensive utilization method for coal gangue and phosphogypsum |
| 01/30/2008 | CN101113084A Method for preparing shape-controlled alpha-semi-hydrated gypsum by using flue gas desulfurized gypsum |
| 01/30/2008 | CN101113083A Method for modifying pre-processing titanium gypsum |
| 01/24/2008 | US20080017078 Liquid admixture composition |
| 01/23/2008 | CN201008769Y Elevator apparatus for vacuum box of vacuum belt dewaterer |
| 01/23/2008 | CN100363289C Device for drying and/or firing gypsum |
| 01/16/2008 | CN201006860Y Device for cooling building gypsum |
| 01/16/2008 | CN201006859Y Plaster tablets setting accelerator preparing device |
| 01/09/2008 | EP1876152A2 Process for physico-chemical adaptation of chemical gypsum or phosphogypsum for use in cement formulations and other construction materials |
| 01/09/2008 | EP1874707A1 Methods of and systems for preparing a heat resistant accelerant slurry and adding the accelerant slurry to a post-mixer aqueous dispersion of calcined gypsum |
| 01/09/2008 | EP1874706A1 Wet gypsum accelerator and methods, composition, and product relating thereto |
| 01/09/2008 | EP1874705A1 Methods of and systems for adding a high viscosity gypsum additive to a post-mixer aqueous dispersion of calcined gypsum |
| 01/03/2008 | WO2008001538A1 Process for producing calcined gypsum and gypsum board |
| 01/03/2008 | CA2656544A1 Method for manufacturing a calcined gypsum and a gypsum board |
| 01/02/2008 | CN101096296A Method for producing gypsum by using exhaust gas created in magnesium-smelting process |
| 01/02/2008 | CN101096295A Dry method fluoric gypsum and building gypsum mixer |
| 12/26/2007 | CN101094822A Foaming plaster |
| 12/25/2007 | US7311770 Gypsum, a granulated hydrophobing additive( granule contains an organopolysiloxane having silicon bonded hydrogen) and a pH effecting additive in an amount sufficient to maintain the pH 8-12.5, a water soluble binder and a carrier |
| 12/13/2007 | WO2006138000A3 Gypsum products utilizing a two-repeating unit dispersant and a method for making them |
| 12/12/2007 | CN100354387C Water-resistant additives for gypsum wood fiber products |
| 12/05/2007 | CN100352767C Calcium sulphate-based compositions and methods of making same |
| 12/05/2007 | CN100352643C Gypsum base material system for 3-D spraying binding and preparing method therefor |
| 12/04/2007 | CA2372033C Method for producing an anhydrite iii or .alpha. based hydraulic bonding agent |
| 11/29/2007 | WO2007080202B1 Method for obtaining stabilised anhydrite iii |
| 11/27/2007 | US7300515 Facing material with controlled porosity for construction boards |
| 11/14/2007 | CN200974816Y Calcium sulfate fluidization calcining furnace |
| 11/07/2007 | CN100347118C Alpha-type hemihydrated gypsum producing process and apparatus thereof |
| 10/31/2007 | CN100345788C Alpha type high-strength gypsum and its preparation method |
| 10/31/2007 | CN100345598C Implant comprising calcium cement and hydrophobic liquid |
| 10/25/2007 | DE10219975B4 Selbstnivellierender Fließestrich auf der Basis von Anhydrit Self-leveling liquid screed based on anhydrite |
| 10/24/2007 | CN101058488A Process for producing alpha gypsum powder by liquid phase method |
| 10/18/2007 | WO2007080202A3 Method for obtaining stabilised anhydrite iii |
| 10/17/2007 | EP1843989A1 Foaming plaster |
| 10/10/2007 | CN200958082Y Continuous producer of alpha-half-hydrate gypsum |
| 10/10/2007 | CN101050074A Method for producing cement and vitriol from high silicon ardealite |
| 10/10/2007 | CN101050067A Method for picking up sand for construction in procedure of crashing limestone in use for producing cement |
| 10/10/2007 | CN100341634C Production of titanium-enriched material by titanium-contained blast furnace slag blast furnace slag |
| 10/03/2007 | CN100340515C Gypsum flue gas rotary calcining/cooling kiln |
| 10/02/2007 | US7276115 Conformable coating |
| 09/27/2007 | WO2006132762A3 Biomass-derived grinding aids |
| 09/26/2007 | EP1837315A1 Plant for hydrothermally treating and drying plaster stone |
| 09/26/2007 | CN101041564A Gypsum ball for cement |
| 09/26/2007 | CN100339330C Composition for forming a composite material |
| 09/25/2007 | US7273579 Adding an aluminum chloride or chlorine crystal modifier to a dilute aqueous slurry of gypsum and a cellulosic fiber to increase the aspect ratio of hemihydrate crystals to at least 5:1; dewatering the hot slurry and shaping to form a composite product before rehydrating the hemihydrate back to gypsum |
| 09/20/2007 | DE102007013212A1 Verfahren und Vorrichtung zur Herstellung von synthetischem Gips Method and apparatus for the production of synthetic gypsum |
| 09/19/2007 | CN101037308A Preparation method of clinker-free cement and concrete prepared with same |
| 09/19/2007 | CN101037202A Calcium carbide slag powder and application thereof |
| 09/19/2007 | CN100337959C Novel architecture gypsum powder and its preparation method |
| 09/19/2007 | CN100337958C Process of producing gypsum block directly with chemical gypsum |
| 09/12/2007 | CN101033127A Method for preparing desulfurization plastering gypsum |
| 09/12/2007 | CN101033118A Novel calcination technique for gypsum |
| 09/05/2007 | CN101028967A Method for producing beta-style half-hydrate gypsum from citric-acid industrial fag end |
| 08/30/2007 | WO2007097435A1 Hardened concrete structure and concrete composition |
| 08/29/2007 | CN100334029C Building block filler and its preparing method and use |
| 08/28/2007 | US7261772 Gypsum composition |
| 08/23/2007 | WO2007065527A3 Method for stabilising metastable soluble anhydrite iii, method for producing a hydraulic binder based thereon, the obtained hydraulic binder, the uses thereof and an industrial plant for carrying out said method |
| 08/23/2007 | DE202007007401U1 Vorrichtung zur Herstellung von Alpha-Calciumsulfat-Halbhydrat aus Calciumsulfat-Dihydrat An apparatus for producing alpha-calcium sulphate hemihydrate from calcium sulphate dihydrate |
| 08/15/2007 | CN1331738C Process and equipment for decomposing gypsum |
| 08/01/2007 | CN1329303C Process for preparing high purity gypsum by using waste industrial carbide slag slurry |
| 07/26/2007 | US20070169670 Mixing plaster with tartaric acid, sodium trimetaphosphate, and sodium polyphosphate; fine particle size distribution; construction materials |
| 07/25/2007 | CN1328198C Closed dry process of producing semi-hydrated gypsum |
| 07/25/2007 | CN101003422A New method for producing sulfuric acid and cement by using phosphogypsum |
| 07/19/2007 | WO2007080202A2 Method for obtaining stabilised anhydrite iii |
| 07/17/2007 | US7244305 Antibacterial gypsum composition for dental surgery |
| 07/17/2007 | US7244304 Gypsum-containing board and tile, and method for producing same |
| 07/11/2007 | CN1997609A High efficiency refractoryless kettle |
| 07/11/2007 | CN1325419C Dehydration method and apparatus of flue gas desulfurization gypsum slurry |
| 06/14/2007 | WO2007066167A1 Process for preparing a stabilized soluble anhydrite iii-based hydraulic binder, hydraulic binder obtained, use of said binder and industrial installation for implementing the process |
| 06/14/2007 | WO2007065527A2 Method for stabilising metastable soluble anhydrite iii, method for producing a hydraulic binder based thereon, the obtained hydraulic binder, the uses thereof and an industrial plant for carrying out said method |
| 06/14/2007 | DE19628749B4 Hydrophobierungsmittel und Verwendung des Selben zur Hydrophobierung eines mineralischen Materials Hydrophobing agents and use of the same for the hydrophobization of a mineral material |
| 06/14/2007 | CA2631635A1 Method for stabilising metastable soluble anhydrite iii, method for producing a hydraulic binder based thereon, the obtained hydraulic binder, the uses thereof and an industrial plant for carrying out said method |
| 05/30/2007 | CN1970483A Early-intensified quick-hardened cement and its uses in construction product |
| 05/22/2007 | US7220373 Process for lightening plasterboards |
| 05/16/2007 | CN2900518Y Fin type gypsum calcining machine |
| 05/09/2007 | CN1958498A Method for producing cement and vitriol from desulfurized gesso of flue gas |
| 05/09/2007 | CN1314613C Gypsum compositions with enhanced resistance to permanent deformation |
| 04/25/2007 | CN1951854A Continuous indirect heating desulfated gypsum fluid bed and its drying and calcining process |
| 04/24/2007 | US7208040 Binder allowing to reach in dense environments; workability hold time, quicker acquisition of mechanical strength |
| 04/18/2007 | CN1948202A Method of separating and preparing low fluorine good quality fluorogypsum |
| 04/18/2007 | CN1948131A Coproducing cement technological method of producing acid using phosphogypsum and sulfur |