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