| Patents for C04B 22 - Use of inorganic materials as active ingredients for mortars, concrete or artificial stone, e.g. accelerators (5,757) | 
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| 12/29/2004 | CN1182061C Concrete underwater non-dispersing agent prepared by precipitated sludge of sewage plant | 
| 12/29/2004 | CN1182060C Color additive of cement concrete and color steel fibre concrete with said additive | 
| 12/29/2004 | CN1182031C Preparation method of zero water sodium metasilicate | 
| 12/28/2004 | US6835243 Using foamed cement; hardening | 
| 12/23/2004 | US20040255825 reaction product in aqueous medium of amorphous aluminium hydroxide, aluminium sulphate, formic acid and phosphoric acid; stable, even in hot conditions; for use with spray-applied cementitious compositions | 
| 12/22/2004 | EP1487757A1 Sprayable machinable media | 
| 12/22/2004 | EP1487756A1 High molecular weight additives for calcined gypsum and cementitious compositions | 
| 12/22/2004 | CN1556779A Composite materials and methods of making and using such composite materials | 
| 12/22/2004 | CN1556060A Full fly ash building brick and its manufacturing method and special additive | 
| 12/22/2004 | CN1556055A High efficiency cement composite grinding aid | 
| 12/22/2004 | CN1181008C Black light concrete for paving layer of bridge | 
| 12/22/2004 | CN1181007C Color glass kilning-free tile and preparation process thereof | 
| 12/22/2004 | CN1181006C Formula and method for preparing concrete composition | 
| 12/15/2004 | EP1485330A1 High strength flooring compositions | 
| 12/15/2004 | CN1554613A Face smearing mortar for self temperature regulation building wall and its preparing method | 
| 12/15/2004 | CN1554611A Phosphoric acid flyash cement and its preparing method | 
| 12/15/2004 | CN1179903C Conductive fiber reinforced calcium silicate plate | 
| 12/14/2004 | CA2361007C Improved sprayable fireproofing composition | 
| 12/09/2004 | WO2004106258A2 Admixture for sprayaable cement compositions | 
| 12/09/2004 | US20040247903 Coating method and coated devices | 
| 12/08/2004 | CN1552183A Glass fibre reinforced plastics greenhouse frame | 
| 12/01/2004 | CN1550473A Production process for flyash colour-brick for walking path | 
| 11/30/2004 | US6824607 Mineral binder, filler and/or aggregates; hydrophobing agent comprising stearate, siliconate, silane, or siloxane; nitrite, benzoate, aminoalcohol, or sodium monofluorophosphate corrosion inhibitor; durability | 
| 11/25/2004 | US20040231565 Method of resisting corrosion in metal reinforcing elements contained in concrete and related compounds and structures | 
| 11/25/2004 | CA2524645A1 Screed comprising recycled glass waste | 
| 11/24/2004 | CN1548396A Cushion block of composite fiber-magnesium material and its making process | 
| 11/23/2004 | CA2429456A1 Recovery of cement kiln dust through precipitation of calcium sulfate using sulfuric acid solution | 
| 11/23/2004 | CA2098082C Bone cement composition and method of manufacture | 
| 11/18/2004 | WO2004099557A2 Methods and compositions for compensating for cement hydration volume reduction | 
| 11/18/2004 | CA2524480A1 Methods and compositions for compensating for cement hydration volume reduction | 
| 11/17/2004 | CN1546412A Composite mineral addition for concretes | 
| 11/17/2004 | CN1546411A Clinker-free cement producing process | 
| 11/17/2004 | CN1546410A Composite cement with large amount of coal gangue and its preparation method | 
| 11/16/2004 | US6818684 Methods and compositions involving polar monomers and multivalent cations | 
| 11/11/2004 | US20040221990 Methods and compositions for compensating for cement hydration volume reduction | 
| 11/10/2004 | EP1204614B1 Method of making a gypsum set accelerator | 
| 11/10/2004 | CN1544380A Composite agent for preparing highly elastic concrete | 
| 11/10/2004 | CN1175062C Coating composition for fire-preventing and acoustic use | 
| 11/10/2004 | CN1174931C Dispersing concrete sweller | 
| 11/09/2004 | US6815049 Gypsum-containing composition having enhanced resistance to permanent deformation | 
| 11/04/2004 | US20040220317 Emulsion polymerization methods involving lightly modified clay and compositions comprising same | 
| 11/03/2004 | CN1543444A Low density accelerant and strength enhancing additive for cementitious products and methods of using same | 
| 11/03/2004 | CN1541974A Anti-scour anti-wear concrete | 
| 11/03/2004 | CN1541973A Grave filling material used for funeral | 
| 11/03/2004 | CN1541971A Light weight wall board or wall building block and manufacturing method thereof | 
| 11/03/2004 | CN1541968A Method for preparing ecological concrete using burning fly ash as admixture | 
| 10/27/2004 | EP1469993A1 Curable coating compositions for metal substrates | 
| 10/27/2004 | CN1540104A Post mudjack construction technics for sidewal and bottom of bore of filling pile | 
| 10/27/2004 | CN1539789A Multiple grouped hemisection of hollow tubular type mid-light wallboard | 
| 10/27/2004 | CN1539786A Low-density cement slurry | 
| 10/27/2004 | CN1539783A Pavement and bricks of wall body made from domestic waste and producing method | 
| 10/27/2004 | CN1539778A High preformance gelate materal | 
| 10/27/2004 | CN1539775A Powder of chamotte with high performances | 
| 10/20/2004 | CN1537821A Water-proof acid resistant heat resistant light heat insulating casting material and its manufacturing method | 
| 10/20/2004 | CN1171822C Assistant for colour brick and its preparing process | 
| 10/20/2004 | CN1171821C High-efficiency concrete admixture | 
| 10/13/2004 | EP1465580A1 Coating method and coated devices | 
| 10/05/2004 | US6800131 Gypsum-containing board and tile, and method for producing gypsum-containing board and tile | 
| 10/05/2004 | US6800130 Hydraulic binder, water, and an aluminum-modified colloidal silica;cementitious grouting; early stength, workability | 
| 09/29/2004 | EP1462425A1 Cement slurry with salt water | 
| 09/16/2004 | DE202004010467U1 Improving the initial strength and quality of cement by milling the clinker with tin dichloride and especially also triethanolamine | 
| 09/15/2004 | EP1456147A1 Particulate additive for dispersing admixtures in hydraulic cements | 
| 09/15/2004 | EP1204616B1 A low-density and low-porosity cementing slurry for oil wells or the like | 
| 09/15/2004 | CN1528702A Whitewashing gypsum and preparing method thereof | 
| 09/15/2004 | CN1528701A Composite theremal-preserving heat-insulating material | 
| 09/15/2004 | CN1528699A Efficient water reducing agent of amino-sulfonic acid and manufacturing process thereof | 
| 09/15/2004 | CN1528697A Dry-powder ceramic file adhesive | 
| 09/15/2004 | CN1528694A Anhydrite agglutinate antifrost method and antifrost anhydrite agglutinate thereof | 
| 09/09/2004 | US20040173122 Powder mixture of calcium, magnesium and orthophosphate; and ammonium salt; microcrystalline; nanoapatite after hardening; high strength; biodegradable bone and teeth fillers, cements, and adhesives; prosthetics | 
| 09/08/2004 | EP1453772A1 Gypsum-containing composition having enhanced resistance to permanent deformation | 
| 09/08/2004 | CN1527803A Fly ash composition for use in concrete mix | 
| 09/08/2004 | CN1526680A Floor tile made of oil field sludge and its production process | 
| 09/08/2004 | CN1526679A Anticrack waterproof agent for cement-base material | 
| 09/01/2004 | EP1451418A1 A method of resisting corrosion in metal reinforcing elements contained in concrete and related compounds and structures | 
| 09/01/2004 | EP1349819B1 Composition which is intended for use as an additive for cement | 
| 09/01/2004 | CN1164408C Method for manufacturing arched reproduced stone slab | 
| 08/26/2004 | WO2004016565A8 Method and device for producing a mortar containing bituminous binder | 
| 08/26/2004 | DE29924657U1 Binder mixture comprises a sulfate-free hydraulic binder component, a component for accelerating the hardening process and sodium carbonate and potassium carbonate to control early strength and the development of the early strength | 
| 08/25/2004 | EP1448494A1 Cement accelerator and method | 
| 08/25/2004 | EP1177157A4 A vital matter and a producing method | 
| 08/25/2004 | CN1522983A Composite powder air hardening acidproof cement and preparation method thereof | 
| 08/25/2004 | CN1522982A Cement color tile and its manufacturing method | 
| 08/24/2004 | US6780236 Mixture with cement and fly ash; concrete masonry; high strength, high speed and mold turnover; replaces portland cements | 
| 08/18/2004 | EP1447390A1 Composite acrylic resin composition | 
| 08/11/2004 | EP1444173A1 Settable composition containing potassium chloride | 
| 08/11/2004 | EP1200368A4 High early strength cement and additives and methods for making the same | 
| 08/10/2004 | US6773725 Kaoline, potassium sulfate, sodium sulfate, feldspar, talc and ferric oxide; activating physiological activity | 
| 08/05/2004 | US20040149174 Cold weather mixture comprising soluble inorganic salt having freezing point depressing properties; inorganic early set and strength accelerator; and polycarboxylate and set accelerator | 
| 08/05/2004 | US20040149170 Sequentially using surfactants for producing pre-pour air-filled bubbles during mixing of fresh concrete and of aluminum in matrix producing post-pour hydrogen-filled bubbles; pre-pour bubbles are destroyed | 
| 08/05/2004 | CA2420578A1 Accelerating admixture for concrete | 
| 08/04/2004 | CN1517316A Brightening and shrinking reducing type white portland cement | 
| 07/28/2004 | EP1440954A1 Chromate reduced hydraulic binder | 
| 07/28/2004 | CN1516683A Air entraining admixture compositions | 
| 07/28/2004 | CN1515517A Inorganic fireproof blocking material | 
| 07/28/2004 | CN1159730C Radon preventing mortar | 
| 07/28/2004 | CN1159250C Denatured ardealite brick and its application as cement retardant | 
| 07/28/2004 | CN1159249C Active ardealite and its application as cement reinforcing retardant | 
| 07/27/2004 | US6767399 Flowability and high early strength | 
| 07/21/2004 | EP1202941A4 Gypsum compositions and related methods | 
| 07/21/2004 | CN1514062A Method of preventing highway base layer, substrate layer large scale cracking using magnesium oride expansion method |