| Patents for C04B 11 - Calcium sulfate cements (2,042) |
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| 01/03/2012 | US8088218 Foamed slurry and building panel made therefrom |
| 01/03/2012 | CA2620373C Fiberboard with improved water resistance |
| 12/28/2011 | CN202089902U 一种生产α型半水石膏的卧式动态蒸压反应釜 A process for producing α-hemihydrate gypsum dynamic horizontal autoclave reactor |
| 12/28/2011 | CN102295420A 一种以醇水溶液为结晶介质制备α-半水石膏方法 Kind of alcohol solution as the crystallization medium preparation method α- Hemihydrate |
| 12/22/2011 | US20110308432 Methods of and systems for adding a high viscosity gypsum additive to a post-mixer aqueous dispersion of calcined gypsum |
| 12/21/2011 | CN102284238A 一种双碱法烟气脱硫工艺 A dual alkali flue gas desulfurization process |
| 12/14/2011 | CN202072632U 利用工业废弃物免煅烧技术生产干粉砂浆的设备 Use of industrial waste-free production of dry mortar firing technology equipment |
| 12/14/2011 | CN101717212B 带余热利用装置的石膏回转窑 Gypsum kiln with waste heat utilization device |
| 12/14/2011 | CN101717211B 带有净化烟尘及粉尘装置的石膏回转窑 With smoke and dust purification device gypsum kiln |
| 12/13/2011 | US8075687 Hydraulic binder comprising a ternary acceleration system and mortars and concretes comprising one such binder |
| 12/13/2011 | US8075685 Controlled deterioration of non-reinforced concrete anchors |
| 11/30/2011 | EP1549723B1 Additives for water-resistant gypsum products |
| 11/30/2011 | CN1914032B 生产石膏/纤维板的改进方法 Improved process for the production of gypsum / fiberboard |
| 11/23/2011 | CN102249580A Method for enhancing carbonization resistance of phosphogypsum-based cement |
| 11/23/2011 | CN102249579A Method for producing alpha type high-strength gypsum powder by using desulfurization gypsum serving as industrial byproduct |
| 11/23/2011 | CN102249578A Preparation method of desulfurized building gypsum for powder gypsum mortar |
| 11/23/2011 | CN102249577A Process method for producing building gypsum powder by utilizing citric acid gypsum |
| 11/23/2011 | CN101367658B Method of manufacturing dampproof flame-proof plaster slab |
| 11/17/2011 | WO2011082258A3 Bone cement and method |
| 11/16/2011 | CN102241487A Modified gypsum, preparation method and preparation system for the same |
| 11/03/2011 | WO2011134025A1 Low c02 cement |
| 11/03/2011 | WO2011087781A3 Method of manufacturing water-resistant gypsum articles and articles formed thereby |
| 11/02/2011 | CN102228783A Process for removing sulfur dioxide in smoke by using white mud and its apparatus |
| 10/26/2011 | CN202016957U Continuous gypsum powder production system of small gypsum boards for architectural decoration |
| 10/20/2011 | CA2796288A1 Mixtures and emulsions for use in providing strength to gypsum compositions |
| 10/19/2011 | CN102219467A Preparation method of inorganic heat-preserving material |
| 10/19/2011 | CN102218766A Method for processing non-autoclaved foam concrete building blocks in producing phosphogypsum through microwave high temperature |
| 10/18/2011 | US8038790 High performance non-combustible gypsum-cement compositions with enhanced water durability and thermal stability for reinforced cementitious lightweight structural cement panels |
| 10/13/2011 | US20110247526 Process for Reducing the Set Time of a Settable Slurry |
| 10/12/2011 | CN102211785A Building material and method for preparing calcium sulfate hemihydrates from titanium white waste sulfuric acid |
| 10/05/2011 | CN102209694A Wax emulsion for use in building products |
| 10/05/2011 | CN101550585B Method for producing dehydrated calcium sulfate whisker |
| 09/28/2011 | CN201988328U 一种双碱法烟气脱硫装置 A dual alkali flue gas desulfurization equipment |
| 09/21/2011 | CN102190452A High-grade dihydrate citric acid high-strength gypsum for odontology use and production method thereof |
| 09/14/2011 | EP2364280A1 Wax emulsion for use in building products |
| 09/14/2011 | CN201971745U 脱硫石膏多管煅烧窑 Gypsum multi-tube calcining kiln |
| 09/14/2011 | CN1997609B High efficiency refractoryless kettle |
| 09/13/2011 | US8016960 Methods of and systems for adding a high viscosity gypsum additive to a post-mixer aqueous dispersion of calcined gypsum |
| 09/07/2011 | EP1708875B1 Improved process for production of gypsum/fiber board |
| 09/07/2011 | CN201962212U 化学石膏煅烧设备 Chemical gypsum calcining equipment |
| 09/07/2011 | CN102173621A Short column-shaped high-strength desulfurized alpha-gypsum |
| 09/07/2011 | CN102173620A Method for modifying and producing building gypsum powder by utilizing wet fluorgypsum |
| 09/07/2011 | CN101691286B Alpha-type semi-hydrated gypsum autoclave and production method thereof |
| 08/31/2011 | CN201952367U 凸透镜式脱硫石膏干燥装置 Lens type gypsum drying apparatus |
| 08/31/2011 | CN102171156A Method and system for the production of hard plaster |
| 08/31/2011 | CN102166470A Dual-alkali smoke desulfurization device and desulfurization method thereof |
| 08/31/2011 | CN101549970B Energy-saving environment protection apparatus for producing chemical gypsum powder by using tail gas |
| 08/30/2011 | CA2470542C Foamed fireproofing composition and method |
| 08/25/2011 | US20110203487 Powder to hydrophobise and its use |
| 08/24/2011 | CN201940169U 一种无二次污染烟气钠钙脱硫系统 A non-secondary pollution flue gas desulfurization system soda lime |
| 08/24/2011 | CN101597079B Technologic method for producing plastic compression gypsum powder |
| 08/11/2011 | US20110196090 Siloxane polymerization in wallboard |
| 08/10/2011 | CN102145981A Full-automatic device for quickly drying desulfurized gypsum |
| 08/03/2011 | CN101549968B Method for preparing building dry-powder cementing materials by calcination-free comprehensive utilization of industrial by-product gypsum |
| 08/02/2011 | CA2511825C Cementitious veneer and laminate material |
| 07/27/2011 | CN201908050U Autoclaved drying multipurpose kettle |
| 07/26/2011 | CA2620176C Improved gypsum-containing products containing alpha-hemihydrate |
| 07/21/2011 | CA2784360A1 Method of manufacturing water-resistant gypsum articles and articles formed thereby |
| 07/13/2011 | CN201896146U Energy-saving environment-friendly horizontal rotary gypsum kettle |
| 07/13/2011 | CN101549969B Method of controlling a dihydrate gypsum for preparing alpha-hemihydrate in salt solution |
| 07/06/2011 | EP2340237A1 Method and system for the production of hard plaster |
| 06/30/2011 | US20110160351 Dispersing agents for gypsum plaster compositions |
| 06/29/2011 | EP2338856A2 Process for anhydrite preparation for the manufacturing of a mortar. |
| 06/22/2011 | CN201871320U Catalytic cracking regeneration flue gas desulfurization dedusting device |
| 06/21/2011 | US7964034 Gypsum-containing product and method for producing same |
| 06/15/2011 | CN102093023A Non-fired brick and preparation method thereof |
| 06/15/2011 | CN102092974A Method and device for producing calcined gypsum slurry by hot press method |
| 06/15/2011 | CN102091519A Double-groove wet-process flue gas desulfuration device and method operating on basis of two pH values |
| 06/09/2011 | US20110132235 Gypsum-containing product and gypsum board |
| 06/08/2011 | CN102089071A Calcination method and facility |
| 06/01/2011 | CN102078761A Comprehensive flue gas desulfurization, mercury removal and denitration process and device |
| 06/01/2011 | CN101172796B Production technology of full-dry desulfurizing gypsum building material product |
| 05/25/2011 | EP1499569B1 Foamed fireproofing composition and method |
| 05/25/2011 | CN101879406B Dual-alkali flue gas desulfurization device and desulfurization method |
| 05/25/2011 | CN101248022B Improved gypsum-containing products containing alpha-hemihydrate |
| 05/11/2011 | CN201823471U Waste water zero emission wet-method flue-gas desulfurization device |
| 05/11/2011 | CN102050589A Multipurpose kettle for autoclaving and drying |
| 05/10/2011 | CA2588799C Foaming plaster |
| 05/10/2011 | CA2478062C Device for drying and/or calcining gypsum |
| 05/04/2011 | CN201817413U Device for stimulating afterheat in power plant to process desulphurization gypsum |
| 05/04/2011 | CN102046557A Method and device for calcinating phosphorous plaster |
| 05/04/2011 | CN102040345A Device for converting gypsum powder in waste water |
| 04/27/2011 | CN101381209B Method for transforming desulfating gypsum to alpha-half hydrated gypsum in atmospheric KCl solution |
| 04/27/2011 | CN101205124B Gypsum calcining system |
| 04/26/2011 | US7932308 Modifiers for gypsum slurries and method of using them |
| 04/21/2011 | US20110088598 Cementitious compositions and related systems and methods |
| 04/20/2011 | EP2310334A1 Process for the industrial manufacture of compositions based on anhydrous calcium sulphate in the -anhydrite iii' form, and corresponding compositions and binders |
| 04/20/2011 | CN201801464U Autoclave |
| 04/20/2011 | CN102020251A Improved production process for preparing sulfuric acid and cement from gypsum |
| 04/06/2011 | EP2305605A1 Process for continuous modification of dihydrate gypsum and modified dihydrate gypsum obtained by the process |
| 04/06/2011 | CN102006926A Process and plant for the heat treatment of fine-grained mineral solids |
| 03/30/2011 | CN101993231A Method for preparing gypsum powder for ceramic mould by using desulfurized gypsum |
| 03/30/2011 | CN101475328B Gypsum rotating crystal excitant and use for producing construction gypsum from marine gypsum |
| 03/22/2011 | US7910230 Calcium sulfate dihydrate; construction material; compressed, humidified powder; high strength; hydrogen bonding of crystals |
| 03/16/2011 | EP2173680B1 Plant for producing a multi-component sulphate-containing binder having high mechanical performances, from gypsum and/or derivatives thereof, process for manufacturing such a binder and resulting binder |
| 03/16/2011 | CN201762255U Energy-saving gypsum calcining system |
| 03/16/2011 | CN101985073A Vacuum dehydration system and method for gypsum slurry |
| 03/03/2011 | US20110048286 Cementitious compositions containing feldspar and pozzolanic particulate material, and method of making said composition |
| 03/03/2011 | DE102009039517A1 Gypsum fiber plate comprises a proportion of additive, which reduces the elasticity-modulus of the plate and a proportion of heavy-aggregate, where the additives does not produce solid-forming crystalline entanglement with the matrix |
| 03/02/2011 | EP2289850A1 Vacuum dehydrating system and dehydrating method for gypsum slurry |