Patents for C04B 38 - Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof (15,246)
09/1993
09/09/1993DE4207235A1 Insulation material for thermal insulation applications having good strength - having foam structure and fibres in thread form, mfd. by mixing in pressure chamber with water
09/08/1993EP0558939A1 Chamotte brick and process for its production
09/08/1993CN1075997A Producing technology for tile type adhesive gravel filter
09/08/1993CN1022051C Composition for producing of molded articles
09/07/1993WO1993017983A1 Vibratable refractory composition
09/07/1993US5242649 Molded calcium silicate articles and method for producing same
09/07/1993US5241993 Method for grouting cavities using a pumpable cement grout
09/07/1993CA2102636A1 Vibratable refractory composition
09/01/1993EP0558232A1 Well cement methods and compositions
08/1993
08/31/1993US5240480 Multicomponent metallic oxide dense layer and multicomponent metallic oxide porous layer
08/31/1993CA1321783C Porous inorganic material
08/24/1993US5238619 Method of forming a porous carbonaceous preform from a water-based slurry
08/24/1993US5238568 Thickness limited in passage direction of fluid to be treated; contains fine powder dispersion for varying diameter of pores on outer face
08/24/1993CA1321470C Ceramic material permitting the passage of fluids and based on silicon powder reaction-bonded in the presence of carbon
08/24/1993CA1321452C Fiber reinforced hollow microspheres made from dispersed particle compositions and methods for producing them
08/20/1993CA2089854A1 Acid removable low density well cement compositions and methods
08/19/1993DE4303966A1 Construction material e.g. ceramics
08/19/1993DE4204807A1 Lowering oxidn. temp. of shoulder-produced gases - with catalytic additives mixed with charge material undergoing roasting
08/18/1993EP0555826A1 Process for utilisation of draff, used kieselguhr containing filter aids and paper products
08/18/1993EP0555206A1 Manufacture of monolithic, stiff, lightweight ceramic articles
08/17/1993US5236758 Multilayer of adhesives, polyolefins, polyvinyl alcohol, polyamides
08/17/1993US5236687 Flat plate-like ribbed porous carbon material
08/12/1993DE4303075A1 Prodn. of lithium and silicon aluminate(s) - by mixing aluminium or silicon alkoxide with lithium hydroxide, adding water, drying, moulding, and sintering
08/11/1993EP0554820A1 Process for forming ceramic laminates
08/11/1993EP0554251A1 Method for producing a product made of a lightweight material, and material having controlled physical properties thereby obtained
08/05/1993WO1993014906A1 Shrinkage reducing composition for bonded abrasive article
08/04/1993EP0553167A1 Material and process for producing the same
08/04/1993EP0452419A4 Incandescent mantles
08/04/1993CA2088551A1 Process for forming ceramic laminates
08/03/1993US5232955 Process for producing a high strength artificial (cast) stone with high permeability and filter effect
08/03/1993US5232772 Low density carbonized composite foams
08/03/1993US5232598 Woven metal support with inorganic ceramic particle bridges bonded by inorganic adhesives
08/03/1993US5232496 Process for producing improved building material and product thereof
07/1993
07/28/1993EP0373215B1 Porous inorganic membrane with reactive inorganic binder, and method of forming same
07/27/1993US5231067 Shaped articles based on pyrogenically produced titanium dioxide, method of their production and their use
07/22/1993WO1993014511A1 Supercapacitors based on carbon foams
07/22/1993WO1993014265A1 Porous webs
07/22/1993CA2127979A1 Porous webs
07/21/1993EP0551577A1 Brick equipped with pores and process of its production
07/21/1993EP0357789B1 Process of producing a ceramic honeycomb structural body
07/21/1993CN1074390A Geometrical object sintered with Chinese medicine stone and preparing process thereof
07/20/1993US5229337 Forming a coating on a surface, fuel particles react with oxygen to form refractory oxide
07/20/1993CA1320504C Lightweight fused silica refractory compositions
07/15/1993WO1993014045A1 Method for the fabrication of a refractory insulating rigid material with high open porosity, and material thus obtained
07/15/1993DE4200310A1 Porous ornamental moulding for use in an aquarium - comprises steatite, clay calcined at white heat, fire clay, aluminium sulphate, oxide and perlite
07/15/1993CA2104379A1 Method for the fabrication of a refractory insulating rigid material with high open porosity, and material thus obtained
07/14/1993EP0304443B1 Filter construction and method for the formation of a filter construction
07/13/1993US5227342 Process of making porous ceramic materials with controlled porosity
07/13/1993US5227102 Firing compound of lanthanum strontium manganese oxide; grinding; kneading; molding; drying; firing
07/13/1993US5227100 Mixing surfactant foam having uniform pore size and a specified apparant density with a pourable suspension of a calcium sulfate hydrate and water and shaping to form a lightweight, high strength panel or block
07/07/1993EP0549885A1 Plasticizable admixtures and improved cordierite substrates made therefrom
07/07/1993EP0549873A1 Method of making porous ceramic suitable as diesel particulate filters
07/07/1993CN1021512C Port-creating method with graphite for posistor material
07/06/1993US5225123 Feeding a dispersion and a blowing gas while heating
07/06/1993US5225015 Method for making stiffened ceramic matrix composite panel
07/01/1993DE4142480A1 Absorber element used to absorb electro-magnetic waves - comprises base made of electrically insulating material contg. finely divided dielectric and/or magnetic material
06/1993
06/30/1993EP0548429A1 Method of fabricating lightweight honeycomb type structure
06/29/1993US5223318 Membrane supports having specific pore size, narrow pore size distribution; formed of sintered particles of specific size
06/29/1993US5223188 Stiffening of extrudates with RF energy
06/24/1993DE4141580A1 Exhaust gas particle filter esp. for diesel exhaust - has at least two filter layers of different ceramics between the clean and crude gas sides, the first filter being coarser than the second, giving high sepn. and low pressure loss
06/23/1993EP0547433A1 Method of making calcium-hydrosilicate-bound shaped bodies
06/23/1993CN1021337C Insulation formed of precipitated silica and fly ash
06/22/1993US5221647 Mixture of alumina, aluminum nitride, silicon nitride and free silicon
06/22/1993US5220960 Pumping aqueous acid solution to remove by dissolution
06/17/1993CA2057750A1 Process for producing a high strength artificial (cast) stone with high permeability and filter effect
06/16/1993EP0546432A1 Process for the preparation of chromium oxide refractory bricks
06/16/1993EP0349551B1 Apparatus and method for producing foamed materials
06/15/1993US5219802 Sintering gairome and chamotte with cordierite, petalite, transition metal oxides, minerals, carbon black and corn starch
06/15/1993US5219509 Method for forming a uniform skin on a cellular substrate
06/15/1993CA2083765A1 Process for the production of calcium hydrosilicate bounded shaped articles
06/10/1993WO1993011087A1 Structure for a filter or a heat exchanger and a method for making the structure
06/10/1993WO1993010972A1 Lightweight composites
06/09/1993EP0545685A1 Method of manufacturing ceramics having fine holes
06/09/1993EP0545008A1 Fabrication of low thermal expansion, high porosity cordierite body
06/09/1993DE4140455A1 Abrasion-resistant, porous inorganic composite mouldings - comprise highly porous filler, and carbon@ matrix
06/08/1993US5217930 Binodal metallic carbide and its use as a catalyst
06/01/1993US5215943 Ceramic membranes with enhanced thermal stability
05/1993
05/26/1993EP0543752A1 Process for preparing metal carbides of high specific surface from activated carbon foams
05/26/1993EP0543581A1 Ceramic material
05/25/1993US5213161 Well cementing method using acid removable low density well cement compositions
05/18/1993US5212143 Hollow porous microspheres made from dispersed particle compositions
05/18/1993CA1318079C Ceramic foam
05/17/1993CA2083019A1 Ceramic material
05/11/1993CA1317442C Glass or ceramic plate reinforced with fibrous or flaky material and method of producing same
05/04/1993US5208190 Microporous alumina ceramic membranes
05/04/1993US5208003 Microcellular carbon foam and method
05/04/1993CA1317316C Process for the production of porous ceramics using decomposable polymeric microspheres and the resultant product
05/04/1993CA1317079C Method and apparatus for vacuum cleaning a pile of mineral wool plates
04/1993
04/29/1993WO1993008142A1 Process for preparing joint sealing foam
04/29/1993WO1993008135A1 A method for production of concrete, light ballast concrete or mortar, having heat insulating properties, and use thereof
04/29/1993DE4135441A1 Ceramic material having low mass and high porosity - made by moulding, drying and sintering mixt. of clay (mineral), chamotte and pore-producing agent
04/29/1993CA2120702A1 Process for preparing joint sealing foam
04/27/1993US5206191 Mixing refractory with liquid binder; hardening
04/27/1993CA1316839C Hot filter media
04/27/1993CA1316671C Process for preparing highly porous glass-ceramic molded parts
04/22/1993DE4134550A1 Verfahren zur herstellung von fugenschaum Process for the preparation of joints foam
04/21/1993EP0537944A1 Microporous alumina ceramic membranes
04/21/1993EP0537635A1 Expansion agent for ceramic material, consisting of mixtures of wastes from aluminium production
04/21/1993EP0537336A1 Process of making porous ceramic materials with controlled porosity
04/20/1993US5204289 Mullite bubbles dispersed in matrix