Patents for C04B 33 - Clay-wares (6,767)
10/1990
10/30/1990US4966871 Controlling heat, pressure, time; retention of physical properties
10/24/1990EP0393565A1 Improved material and process to produce low thermal expansion cordierite structures
10/17/1990EP0392144A1 Use of the fine particle fraction of sediments from waters
10/04/1990DE4004102C1 Ceramic material for mfg. refractory ware - comprises silicon di:oxide, aluminium oxide, iron (III) oxide, titanium di:oxide, magnesium oxide, calcium oxide, potassium oxide, etc.
10/03/1990EP0390257A1 Process for preparing a purified mineral coating
09/1990
09/26/1990CN2062814U Refractory lining brick with conical ciscular cross setion for high-temp. kiln furnace
09/26/1990CN1045573A Special ceramic refractory annular tubes
09/26/1990CN1009756B Circular kiln furnace
09/19/1990CN1045386A Electric osmosis method for drying raw blank of ceramic products
09/18/1990CA1274070A1 Firing and glazing ceramic tile in a single pass
09/12/1990CN1045257A Ceramic table ware with nutritious and health care functions, and manufacturing method thereof
09/11/1990US4956121 Multilayer silicate dimethylacetamidelithium chelate complexes at cationic sites
08/1990
08/28/1990US4952343 Heating, forming iron sulfates for stability, ejecting moldings onto carrier
08/23/1990WO1990009359A1 A process for the production of brick products with a finished surface, e.g. bricks
08/22/1990CN1044852A Piling method of toilets within kiln
08/21/1990US4950628 Material and process to produce low thermal expansion cordierite structures
08/21/1990CA1272872A1 Very smooth and flat polycrystalline alumina substrates from direct firing
08/15/1990CN1044643A Manufacturing process of ceramics
08/15/1990CN1044642A Industrial ceramic die
08/14/1990US4948362 Energy conserving process for calcining clay
08/01/1990CN1044270A Production of ceramics contg. expansible quartz sand
07/1990
07/18/1990EP0378275A2 Plate product of ceramic material and process for the manufacturing thereof
07/13/1990CA2003170A1 Process using the combined action of vibration and pressure under vacuum, for the manufacture of large size sheets of ceramic material, with high mechanical characteristics
07/12/1990WO1990007474A1 Method of producing ceramic products using sludge of sewage treatment
07/10/1990US4940676 Ceramic compositions and methods employing same
07/10/1990US4940611 Agglomeration, sintering, hardening
07/04/1990EP0376690A1 Fired product utilizing incineration ash and method of production thereof
06/1990
06/28/1990CA2006854A1 Fired product utilizing incineration ash and producing method thereof
06/27/1990CN1043303A Enamelled brick made of iron-ore tailing powder and productive process thereof
06/27/1990CN1008553B S-shape crossling kiln
06/26/1990CA1270863A1 Refractory material produced from red mud
06/19/1990US4935391 Process for preparing a purified mineral coating
06/13/1990CN1042894A Production technology and formulation of glazed tile
06/13/1990CN1008363B A magnesia-carbon brick and its process
05/1990
05/31/1990WO1990005586A1 Energy conserving process for calcining clay
05/30/1990CN1042532A Full-positive pressure operation for drying
05/23/1990EP0369433A1 Filler for patterning of ceramics product and process for producing the same
05/17/1990WO1990005120A1 Method of obtaining chromium-containing refractory material
05/16/1990CN1007985B Resin compositions comprising organoclays of improved despersibility
05/16/1990CA2003162A1 Filler for patterning of ceramics product and process for producing the same
05/15/1990US4925609 Exhaust system; internal combustion engines
05/09/1990CN1041928A Non-fuel autoignition sintered brick
05/02/1990EP0366028A2 Process for the production of a material containing clay and fibres
05/02/1990CN1041739A Bleaching technology for removing iron by kaolin
05/01/1990US4921821 Lightweight oil and gas well proppants and methods for making and using same
05/01/1990US4921820 Lightweight proppant for oil and gas wells and methods for making and using same
05/01/1990US4921536 Non-calcareous castable binder
04/1990
04/26/1990DE3835594A1 Downdraught firing method and device for firing roof tiles
04/19/1990WO1990003955A1 Metal oxide dielectric dense bodies, precursor powders therefor, and methods for preparing same
04/17/1990US4917842 Process of making ceramics
04/10/1990US4916094 Method for producing high solids kaolin slurry
04/10/1990US4915890 Casting process
04/05/1990WO1990003347A1 Clay composition and method of casting
03/1990
03/28/1990EP0360547A1 Clay composition and method of casting
03/28/1990CN1007354B Non. cataltic solid mullite/crystalline silica material and use thereof
03/27/1990US4912069 Use of pectin or pectin-like material in water-based ceramics
03/21/1990EP0358713A1 Improved ceramic compositions and methods employing same.
03/21/1990CN1040571A The improved one of tri-coloured glazed pottery of the tang dynasty made by porcelain and "two-in-one glaze combination" glazing method
03/06/1990US4906598 Thermal storage brick
03/06/1990US4906509 Two layered refractory plate
02/1990
02/21/1990CN1039791A Maifanshi (traditional chinese medicine stone) pottery releasing trace element
01/1990
01/30/1990US4897034 For firing shaped bodies
01/30/1990US4897029 Device for preparing a very homogeneous and finely divided fine-ceramics mass
01/25/1990DE3824995A1 Process for producing ceramic plates and apparatus for carrying out the process
01/18/1990DE3921278A1 Process for producing shaped ceramic parts
01/18/1990DE3836217C1 Process for producing a material containing clay and fibre
01/18/1990DE3823982A1 Process and apparatus for multi-colour and colour firing of ceramic products placed in stacks, in particular of facing bricks
12/1989
12/27/1989CN1038237A Microporous light-weight hollow-brick manufacturing process
12/19/1989US4888143 Exposure to rapid changes in temperature
12/13/1989CN1037887A Soft bone-ash porcelain and its making method
12/06/1989EP0344889A1 Novel ceramic material, method for the preparation thereof and ceramic shaped body obtained therefrom
12/06/1989EP0344525A1 Device for firing earthenware without capsules
11/1989
11/30/1989DE3804883C1 Process for producing a clay- and fibre-containing material
11/21/1989US4882067 Process for the chemical bonding of heavy metals from sludge in the silicate structure of clays and shales and the manufacture of building and construction materials therewith
11/14/1989US4880759 Ball clay slurry
11/08/1989CN2047211U Ceramic single head rolling moulding machine
11/07/1989US4879260 Alumina-zirconia ceramic
11/02/1989WO1989010176A1 Process for the chemical bonding of heavy metals from sludge in the silicate structure of clays and shales and the manufacture of building and construction materials therewith
11/01/1989CN1036726A Manufacture method of ceramics with through pattern
10/1989
10/25/1989CN1036503A Tea set made of china medical stone
10/17/1989US4874726 With calcium aluminate cements; hollow microspheres of aluminum silicates give low thermal conductivity
10/17/1989US4874153 Combustion with ceramic raw material; molding; firing
10/10/1989US4872993 Waste treatment
10/04/1989EP0335735A2 A process for firing ceramic shaped bodies and a tunnel kiln used therefor
10/04/1989EP0335615A2 A process for firing ceramic shaped bodies and firing tools used therefor
10/04/1989EP0334950A1 Improved casting process
09/1989
09/20/1989CN2044600U Pit-type drying room
09/19/1989US4866857 Method of and arrangement for drying ceramic green bodies
09/07/1989DE3805852A1 Process for producing water-tight ceramic materials from clays without use of moulds
09/06/1989EP0249057B1 Method and device for manufacturing a fine ceramic mass with a high homogeneity and a high degree of fineness
09/05/1989US4863656 Microporous plate and method for manufacturing the same and suction drier apparatus
08/1989
08/31/1989DE3905143A1 Process for producing ceramic bodies from sediments, in particular mud and silt
08/31/1989DE3804826A1 Integrated process and apparatus for immobilising pollutants in waste materials
08/30/1989CN1035103A Plastic compositions of inorganic powders and sintered bodys of same
08/29/1989CA1258937A1 Low-temperature sintered porcelain composition suitable for forming
08/23/1989EP0328560A1 Mineral substance, process for its manufacture and use thereof.
08/09/1989CN1034529A Decoration method of ceramic by filigree embeding and its cer. products
08/09/1989CN1034501A Light multipurpose clay-brick
08/01/1989CA1258079A1 High strength feldspathic porcelain and method for producing the same
07/1989
07/26/1989EP0325425A2 Plastic compositions of inorganic powders and sintered bodies of the same
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