| Patents for C04B 11 - Calcium sulfate cements (2,042) |
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| 04/16/2014 | CN102795796B Externally-calcined middle part high-efficiency gypsum calcining kiln |
| 04/16/2014 | CN102718423B Preparation method of low-grade activated coal ash composite material |
| 04/16/2014 | CN102309919B Combined treatment method for waste gas containing sulfur compounds |
| 04/16/2014 | CN101985073B Vacuum dehydration system and method for gypsum slurry |
| 04/09/2014 | CN103708750A Pre-treatment technology of ardealite |
| 04/09/2014 | CN103708749A Modified phosphogypsum material used for sea reclamation |
| 04/09/2014 | CN103708748A Modified phosphogypsum material used for sea reclamation |
| 04/09/2014 | CN103708747A Modified phosphogypsum material used for sea reclamation projects |
| 04/09/2014 | CN102515682B Method for preparing plastering anhydrite by using well and rock salt manufacturing brine anhydrite |
| 04/08/2014 | US8691007 Low thermal transmission building material |
| 04/02/2014 | CN203513505U Discharge mechanism of discharge device of gypsum drying calcinator |
| 04/02/2014 | CN203513504U Discharge mechanism of gypsum drying calcinator |
| 04/02/2014 | CN103693873A High-magnesium micro-expansive moderate heat Portland cement for water-power engineering and preparation method thereof |
| 04/02/2014 | CN102701618B Method for using calcium sulfite type desulfurization gypsum to produce high-strength environmental-friendly type plastering gypsum |
| 04/01/2014 | US8685159 Process for forming an adhesive bond |
| 03/26/2014 | CN103664018A Device and method for producing alpha-semi-hydrated gypsum by direct steaming and pressing of industrial gypsum byproducts |
| 03/26/2014 | CN103664017A Preparation method of desulphurization gypsum beta powder |
| 03/19/2014 | CN103641346A Method for preparing geopolymer gelled material from heavy metal gypsum |
| 03/18/2014 | US8673071 Joint compound using predispersed dedusting agents |
| 03/13/2014 | DE102010048339B4 Wässrige Gips-Zement-Mischung, ihre Verwendung, Verfahren zur Erstellung eines Gebäudes unter Einsatz der Gips-Zement-Mischung und nach dem Verfahren hergestelltes Gebäude Aqueous gypsum-cement mixture, its use, methods of construction of a building using the gypsum-cement mixture and after the procedure produced building |
| 03/12/2014 | CN103626411A Preparation method of dry powder phosphogypsum base cementing material |
| 03/12/2014 | CN103626410A High-strength waterproof gypsum plaster prepared from waste slag in the fluorine chemical industry and preparation method of the gypsum plaster |
| 03/06/2014 | WO2014034525A1 Process for manufacturing high-expansion gypsum plaster composition and high-expansion gypsum plaster composition obtained by said process |
| 03/06/2014 | US20140060391 Shrinkage-compensating concrete |
| 03/05/2014 | CN102531263B Method for treating saponified wastewater generated in production process of epoxy compound |
| 02/26/2014 | CN203451375U Gypsum calcining equipment |
| 02/26/2014 | CN102731001B Phosphogypsum composite pretreatment technique |
| 02/19/2014 | CN103588402A Gypsum processing system |
| 02/19/2014 | CN103588401A Calcining furnace for drying desulphurized gypsum by using converter gas and drying method of calcining furnace |
| 02/19/2014 | CN103585875A Compound desulphurization process for paper-making middle-stage wastewater and white mud |
| 02/12/2014 | CN103570264A Hemihydrate gypsum processing system |
| 02/12/2014 | CN103570263A Desulfurized gypsum processing system |
| 02/05/2014 | CN103553386A Gypsum drying and calcining machine |
| 02/05/2014 | CN103553385A Method for preparing high-strength alpha-semi-hydrated gypsum from flue gas desulfurization gypsum |
| 02/05/2014 | CN103553384A De-waxing method for large colored glaze plaster mold |
| 01/29/2014 | CN103539371A Preparation process for high-purity anhydrous gypsum |
| 01/28/2014 | US8636068 Method of reducing corrosion in cement |
| 01/22/2014 | CN103524060A Technique for producing alpha-type semihydrate gypsum powder at low temperature and low pressure |
| 01/15/2014 | EP2684852A2 Method for manufacturing plaster of Paris |
| 01/15/2014 | CN103508689A Method for preparing alpha semi-hydrated gypsum at low cost and prepared alpha semi-hydrated gypsum and gypsum block |
| 01/15/2014 | CN102633453B Neutral modifying agent for fluorgypsum and method for utilizing neutral modifying agent to modify fluorgypsum |
| 01/14/2014 | CA2555676C High efficiency refractoryless kettle |
| 01/07/2014 | US8623133 Light-weight composition and mix for masonry, mortar and stucco |
| 01/07/2014 | CA2605948C High strength flooring compositions |
| 01/01/2014 | CN103482892A Method for preparing alpha-type high-strength gypsum powder |
| 12/31/2013 | CA2569340C Apparatus and process for cooling and de-steaming calcined stucco |
| 12/27/2013 | WO2013191526A1 Coating and sealing composition for various applications in plastic arts and the construction industry |
| 12/26/2013 | US20130340652 Cement clinker, method of manufacturing the same and cement composition |
| 12/25/2013 | CN103466978A Preparation method of phosphogypsum cementing material |
| 12/12/2013 | WO2013182587A1 Method for stabilizing beta-hemihydrate plaster |
| 12/11/2013 | EP2671854A1 Method for stabilizing beta-hemihydrate plaster |
| 12/11/2013 | CN203333493U Steam pipe type gypsum calcining kiln |
| 12/11/2013 | CN102500223B Equipment for performing wet-method flue gas desulfurization and producing gypsum by discarded carbide slag |
| 12/04/2013 | CN101730671B Gypsum based compositions |
| 12/03/2013 | US8597426 Additives in gypsum panels and adjusting their proportions |
| 11/27/2013 | CN203307238U Drying and calcining equipment for desulfurization gypsum |
| 11/27/2013 | CN103408278A Method for preparing anhydrite cementing slurry with ardealite |
| 11/20/2013 | CN203295370U Desulfurized gypsum calcining device |
| 11/20/2013 | CN103396024A Phosphogypsum mineral gelling agent |
| 11/20/2013 | CN103396023A Preparation method of active anhydrous calcium sulfate |
| 11/20/2013 | CN103394224A Scraper system of disc type dehydration machine |
| 11/12/2013 | US8580055 Mixtures and emulsions to reduce energy in gypsum wallboard manufacture |
| 11/12/2013 | CA2554983C Swinging agitator for a gypsum calcining apparatus and the like |
| 11/06/2013 | CN102584053B Preparation method of desulfurized high-strength alpha-type semi-hydrated gypsum |
| 10/31/2013 | US20130284070 Dimensionally stable geopolymer composition and method |
| 10/29/2013 | CA2552577C Improved process for production of gypsum/fiber board |
| 10/23/2013 | CN103359962A Quick highway solidification cement |
| 10/23/2013 | CN102731000B Method for producing building gesso by using semi-hydrated phosphogypsum and dihydrate phosphogypsum |
| 10/17/2013 | US20130269573 Ultra-rapid hardening hydraulic binder using reduced slag powder, and method of preparing the same |
| 10/16/2013 | CN102633450B Composite material with anion biomimetic function and production method thereof |
| 10/08/2013 | US8551245 Narrow PSD hydraulic cement, cement-SCM blends, and methods for making same |
| 10/08/2013 | US8551241 Fly ash based lightweight cementitious composition with high compressive strength and fast set |
| 10/03/2013 | WO2013148484A1 A method of modifying beta stucco using diethylene-triamine-pentaacetic acid |
| 10/03/2013 | WO2013148279A1 Methods and systems for utilizing carbide lime |
| 09/26/2013 | US20130248078 Slurries and methods of making light weight gypsum board |
| 09/25/2013 | EP2641886A2 Gypsum powders and method of producing a gypsum molded product |
| 09/11/2013 | CN203187580U Alpha+beta mixed type semi-hydrated gypsum powder preparation device |
| 09/11/2013 | CN103290480A Li2In2SiS6 compound and Li2In2GSiS6 nonlinear optical crystal as well as preparation methods and applications thereof |
| 09/11/2013 | CN103288370A Process for producing high-strength alpha-gypsum from chemical gypsum by adopting dry method |
| 09/11/2013 | CN103288369A Edible anhydrite and preparation method thereof |
| 09/10/2013 | US8529693 Adhesive strength enhancers for cementitious compositions |
| 09/10/2013 | US8529692 Hydrophobic binder mixture, and construction materials made therefrom |
| 09/10/2013 | US8529691 Joint filler composition |
| 09/04/2013 | EP2632876A1 Surface deactivator that can be removed when dry |
| 09/04/2013 | CN203173993U Calcining equipment of beta-type semi-hydrated gypsum powder |
| 09/04/2013 | CN203170098U Scraping cutter system of disc type dehydration machine |
| 09/04/2013 | CN103274616A Method for producing phosphorus building gypsum by phosphorous gypsum |
| 09/04/2013 | CN103274615A Desulfurization gypsum drying and calcining equipment, and production process |
| 09/03/2013 | US8523424 Process for reducing the set time of a settable slurry |
| 08/28/2013 | EP2630101A1 Method for producing wet gypsum accelerator |
| 08/28/2013 | EP2629600A1 Method for preparing a hardened calcium sulfate dihydrate block and use thereof |
| 08/28/2013 | CN103265191A One-step-method compound desulfured gypsum drying and calcining equipment |
| 08/21/2013 | CN1925958B Swinging agitator for a gypsum calcining apparatus and the like |
| 08/21/2013 | CN103253880A Method for producing alpha-hemihydrate gypsum through hydrothermal method |
| 08/21/2013 | CN101538130B Special insulating cement |
| 08/14/2013 | CN203128432U Coal injection device for rotary wok |
| 08/07/2013 | CN103232180A Composition and application thereof |
| 08/07/2013 | CN101844884B Hydrophobic phosphogypsum, and preparation method and application thereof |
| 08/06/2013 | US8500904 Gypsum-containing product |
| 08/06/2013 | US8500903 Plaster-based material including an agent capable of trapping formaldehyde |