C04B 11 - Calcium sulfate cements

Patents for C04B 11 - Calcium sulfate cements (2,042)
04/2007
04/11/2007	CN1944313A Gypsum fluidizing and roasting furnace and process for producing building gypsum using said roasting furnace
04/11/2007	CN1309672C Gypsum inner wall powder and its preparation method
03/2007
03/29/2007	WO2007035490A1 Aeration system and method
03/28/2007	EP1766308A2 Apparatus and process for cooling and de-steaming calcined stucco
03/28/2007	CN2883334Y Divided-room boiling frying pot for gypsum powder
03/28/2007	CN1935727A Comprehensive utilization method for coal gangue and phosphogypsum
03/28/2007	CN1935726A Continuous production method and apparatus for alpha semi-water gypsum
03/15/2007	US20070056478 Pumpable, flowable slurry including alpha-calcined calcium sulfate hemihydrate anchored in pores of host particles, alpha-calcined calcium sulfate hemihydrate, a silicone compound (especially low molecular weight hydrogen modified siloxane), magnesium oxide, and water
03/14/2007	CN1927753A Semi-hydrated gypsum calcination system and preparation process thereof
03/14/2007	CN1304319C Process for producing building gypsum powder by phosphorus gypsum
03/08/2007	WO2007027341A2 Fiberboard with improved water resistance
03/07/2007	CN1925958A Swinging agitator for a gypsum calcining apparatus and the like
03/01/2007	WO2007024420A2 Improved gypsum-containing products containing alpha-hemihydrate
03/01/2007	US20070048549 Gypsum-containing products containing alpha hemihydrate
02/2007
02/28/2007	EP1349818A4 Lightweight gypsum board product and method of manufacture
02/21/2007	CN1915883A Technique for airflow drying, and calcining desulfurized gypsum
02/15/2007	WO2007018705A2 Siloxane polymerization in wallboard
02/15/2007	CA2616102A1 Siloxane polymerization in wallboard
02/14/2007	CN1914032A Improved process for production of gypsum/fiber board
02/13/2007	US7175426 High efficiency refractoryless kettle
02/04/2007	CA2551951A1 Gypsum building materials containing expanded graphite
01/2007
01/31/2007	CN1903770A Manufacturing method of phosphogypsum ball
01/30/2007	US7169225 Compression resistance of wear resistant and waterproofing
01/18/2007	WO2006125782A3 Method for plaster production and plaster product obtained by said method
01/12/2007	CA2513179A1 Improved formula for plaster
12/2006
12/28/2006	WO2006138280A2 Effective use of dispersants in wallboard containing foam
12/28/2006	WO2006138277A2 Modifiers for gypsum slurries and method of using them
12/28/2006	WO2006138002A2 Modifiers for gypsum slurries and method of using them
12/28/2006	WO2006138001A2 Method of making a gypsum slurry with modifiers and dispersants
12/28/2006	WO2006137999A2 High strength flooring compositions
12/28/2006	WO2006137998A2 Effective use of dispersants in wallboard containing foam
12/28/2006	CA2609586A1 Effective use of dispersants in wallboard containing foam
12/28/2006	CA2607973A1 Modifiers for gypsum slurries and method of using them
12/28/2006	CA2605948A1 High strength flooring compositions
12/27/2006	CN1884173A Method for combined production of gypsum, active carbon, and copperas by using waste sulfuric acid and carbide slag
12/27/2006	CN1884048A Process for reductive decomposition of phosphogypsum by sulfur coal
12/21/2006	WO2006135707A2 High starch light weight gypsum wallboard
12/21/2006	WO2006135613A2 Method of improving dispersant efficacy in making gypsum products
12/21/2006	CA2816891A1 High starch light weight gypsum wallboard
12/19/2006	US7150787 Polymer-modified gypsum composition
12/14/2006	US20060280970 Beta-calcined calcium sulfate hemihydrate; naphthalene-free polymeric dispersant with units derived from acrylic acid, maleic acid, and an alkenyl-capped polyoxyalkylene glycol; and a modifier that enhances the efficacy of the dispersant such as sodium or potassium carbonate or lime
12/14/2006	US20060280899 Method of making a gypsum slurry with modifiers and dispersants
12/14/2006	US20060280898 Modifiers for gypsum slurries and method of using them
12/14/2006	US20060278135 Method of making a gypsum slurry with modifiers and dispersants
12/14/2006	US20060278134 Modifiers for gypsum slurries and method of using them
12/14/2006	US20060278133 lightweight, high strength gupsum wallboard is made of a set gypsum containing slurry, between two parallel sheet, including stucco, a pregelatinized starch, formaldehyde-naphthalenesulfonate condensate, dispersant, and sodium trimetaphosphate; low dusting
12/14/2006	US20060278132 Method of improving dispersant efficacy in making gypsum products
12/14/2006	US20060278129 Effective use of dispersants in wallboard containing foam
12/14/2006	US20060278128 Effective use of dispersants in wallboard containing foam
12/06/2006	EP1499569A4 Foamed fireproofing composition and method
12/06/2006	CN1872765A Method for producing architectural gypsum powder by using phosphogypsum
12/06/2006	CN1872764A Method for producing alpha semi-hydrated gypsum in high intensity, and low expansion
12/06/2006	CN1872763A Method for preparing architectural gypsum powder by using chemical gypsum as raw material through two steps method
11/2006
11/30/2006	DE19802179B4 Verfahren zur Qualitätssicherung eines mittels Rauchgasentschwefelungsanlage gwewonnenen Gipses Procedures for quality assurance of a gwewonnenen means of flue gas desulphurisation gypsum
11/29/2006	EP1726575A1 Method for plaster production and plaster product obtained by said method.
11/23/2006	US20060260514 Method for recycling concrete waste
11/22/2006	CN2839279Y Industrial by-product gypsum powder predrying device
11/22/2006	CN1285532C Efficient calcium thioaluminate type bulking agent and its preparing process
11/16/2006	WO2005092583A8 Swinging agitator for a gypsum calcining apparatus and the like
11/15/2006	CN1861539A Gypsum calcining method
11/08/2006	EP1718576A2 High efficiency refractoryless kettle
11/08/2006	EP1718445A1 Swinging agitator for a gypsum calcining apparatus and the like
11/02/2006	WO2006115498A1 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
11/02/2006	WO2006115497A1 Methods of and systems for adding a high viscosity gypsum additive to a post-mixer aqueous dispersion of calcined gypsum
11/02/2006	WO2006115496A1 Wet gypsum accelerator and methods, composition, and product relating thereto
11/02/2006	US20060243171 Wet gypsum accelerator and methods, composition, and product relating thereto
11/02/2006	CA2602053A1 Methods of and systems for adding a high viscosity gypsum additive to a post-mixer aqueous dispersion of calcined gypsum
11/02/2006	CA2602041A1 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
11/02/2006	CA2602027A1 Wet gypsum accelerator and methods, composition, and product relating thereto
11/01/2006	CN2832811Y Device for drying desulfurized gypsum
10/2006
10/25/2006	EP1713737A1 The coarsening of plaster of paris
10/25/2006	CN2830395Y Drying calciner for plaster
10/25/2006	CN1850694A Gypsum base material system for 3-D spraying binding and preparing method therefor
10/24/2006	CA2398780C Structural sheathing panels
10/19/2006	US20060231466 uses ultrapheresis, refined to remove compounds of less than 120,000 daltons molecular weight, followed by administration of replacement fluid, to stimulate the patient's immune system to attack solid tumors
10/18/2006	CN1280222C Modified gypsum composite binding material
10/12/2006	WO2005091819A3 High efficiency refractoryless kettle
10/11/2006	EP1708875A1 Improved process for production of gypsum/fiber board
10/11/2006	CN1844009A Method for preparing building gesso by ardealite
10/11/2006	CN1278979C Hydraulic cementing agent, its preparation method and material prepared using the cementing agent
10/04/2006	CN1840498A Desulfurized gypsum plastering materials
09/2006
09/20/2006	EP1702897A1 Process for treatment of gypsum or plaster
09/20/2006	CN1275892C Manufacturing method of inside burning type construction gypsum
09/06/2006	CN1827204A Intelligent absorption type transmission separating system with synchronous frequency conversion control
08/2006
08/31/2006	WO2006091062A1 Method for modifying gypsum cements
08/31/2006	DE102005008184A1 Use of o-phenylphenol for protecting gypsum-building slab comprising gypsum kernel, against attack and/or destruction by microorganisms
08/30/2006	CN1826297A Method and device for producing cement
08/23/2006	CN1821142A Gypsum flue gas rotary calcining/cooling kiln
08/09/2006	CN1814563A Building block filler and its preparing method and use
08/02/2006	CN1810698A Closed dry process of producing semi-hydrated gypsum
08/02/2006	CN1810697A Process of producing gypsum block directly with chemical gypsum
07/2006
07/26/2006	CN1807328A Method for preparing coagulation material using chemical gypsum
07/19/2006	CN1803689A Dehydration method and apparatus of flue gas desulfurization gypsum slurry
07/13/2006	WO2006072126A1 Foaming plaster
07/13/2006	US20060150868 Method and apparatus for producing a multilayer cementitious product
07/12/2006	CN1800070A Alpha type high-strength gypsum and its preparation method
07/05/2006	CN1796285A Method for preparing crystal whisker of gypsum
06/2006
06/21/2006	CN1789117A Method for producing potassium dihydrogen phosphate and gypsum using hydrochloric acid method
06/21/2006	CN1789116A Method for producing phosphorous acid and gypsum using hydrochloric acid method
06/15/2006	WO2006062383A1 Plant for hydrothermally treating and drying plaster stone

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