Patents for C04B 38 - Porous mortars, concrete, artificial stone or ceramic ware; Preparation thereof (15,246)
07/1991
07/09/1991US5030398 Method of producing a cordierite honeycomb structural body
07/09/1991US5030396 Three-dimensional structure made of heat decomposable material
07/09/1991CA2033759A1 Method of applying a thermal insulation layer to an immersion nozzle and immersion nozzle
07/02/1991US5028568 Titanium Dioxide Ceramic Membrane Made More Electroconductive By Incorporation Of Niobium Dopant
07/02/1991US5028346 Silicon carbide, silicon nitride, modified silicon oxynitride, jet engine igniter
07/02/1991US5028036 Filter for molten ferrous metal
06/1991
06/28/1991CA2006863A1 Shaped refractory products and method of making same
06/27/1991WO1991008995A1 Backfill based on a foam binder, and method for producing same
06/26/1991EP0433582A1 Preparation of ceramic honeycomb structure having selectively sealed channels
06/26/1991EP0433507A1 Producing isotropically reinforced net-shape microcomposites
06/25/1991CA1285342C Silicone water base fire barriers
06/18/1991US5024703 Reducing cereal storage proteins with ferrous sulfate, tin and copper chloride; air entrainment
06/12/1991EP0431112A1 High strength structural perlite concrete.
06/11/1991US5023217 In monoclinic and cubic phases; porous; high temperature filters, kiln furniture; catalyst carriers
06/11/1991US5023127 Microporous composites and electrolytic applications thereof
06/11/1991US5022920 Method and composition for investment casting of laminar ceramic shell molds
06/07/1991CA2030628A1 Pumpable cement grout
06/05/1991EP0430576A1 Cellular or foamed hydraulic compositions
06/05/1991CN1012720B Ceramic members and a method and for producing them
06/04/1991US5021378 Molded articles based on pyrogenically prepared silicon dioxide, process for their production and their use
06/04/1991US5021204 Method for selectively charging honeycomb structures
05/1991
05/29/1991EP0428991A2 Composite material of carbon fibers and method for producing the same
05/29/1991EP0428565A1 Method of preparing rigid mullite-whisker felt
05/29/1991DE4030626A1 Verfahren zur herstellung eines halbzeugs A method for fabricating a preform
05/28/1991US5019311 Uniform mixture; heat treatment, pressurization, shear
05/28/1991US5019307 Method and apparatus for the manufacture of hollow ceramic beams using multiple molding mandrels
05/23/1991CA2029635A1 Foamed hydraulic composition containing copolymeric foam stabilizer
05/21/1991US5017522 Volatile fibers, polymer matrix
05/21/1991US5017518 Process for producing calcium phosphate ceramics having porous surface
05/21/1991US5017358 Preparation of elastic graphite materials
05/15/1991EP0427704A1 Procedure for the fabrication of porous ceramic granulates, the fabricated product and its application
05/14/1991US5015615 Molded articles based on pyrogenically prepared aluminum oxide and process for their production
05/14/1991US5015606 Clay, Aggregate, Deflocculant, Surfactant, Water, Hydraulic Binder
05/14/1991US5015605 Heating A Molded Part Containing An Organopolysiloxane In A Nonoxidizing Or Vacuum Atmosphere
05/14/1991US5015450 Process for making calcium sulfate alpha-hemihydrate from calcium sulfate dihydrate
05/14/1991US5015449 Process for making construction grade calcium sulfate alpha-hemihydrate from moist finely divided gypsum obtained from a power plant flue gas desulfurization
05/08/1991EP0425833A1 Material, structure, filter and catalytic converter
05/03/1991CA2002185A1 Method for preparing refractory porous material, article from this material and process for making said article
05/02/1991WO1991006131A1 Porous carbon material equipped with flat sheet-like ribs and production method thereof
05/02/1991WO1991005644A1 Process for producing improved building material and product thereof
05/02/1991WO1991005601A1 Porous inorganic membranes
05/02/1991EP0425252A1 Metal oxide porous ceramic membranes with small pore sizes
05/02/1991EP0425139A1 Lightweight tundish refractory compositions
05/02/1991EP0424537A1 Process for preparation of carbonaceous molded body having excellent compressive elasticity
05/02/1991DE3936230A1 Unter einwirkung von wasser stabile schaeume auf der basis von aluminiumoxid, daraus erstellte koerper sowie mischungen fuer deren herstellung Under the influence of water-stable foams based on alumina, and mixtures prepared therefrom koerper for their production
05/02/1991CA2022454A1 Material, structure, filter and catalytic converter
05/01/1991WO1991006516A1 Aluminium oxide-based foams which are stable under the effect of water, bodies made therefrom and mixtures for their production
05/01/1991CN1051034A Ceramic bodies formed from partially stabilized zirconia
05/01/1991CA2069335A1 Aluminium oxide-based foams which are stable under the effect of water, bodies made therefrom and mixtures for their production
04/1991
04/30/1991US5011603 Alumina powder; high strength
04/30/1991US5011566 Coating cleaned fibers with tube material, then controlled oxidation of fiber
04/30/1991CA1283749C Composition for preparing inorganic light weight foam, and process of preparing inorganic light weight foam
04/18/1991WO1991004779A1 Process for the production of a semi-finished article, and uses of the article thus produced
04/16/1991US5008220 Biological support
04/16/1991US5008054 Heated to remove organic binder, hydrostatically pressed
04/16/1991US5008053 Process for producing a ceramic product using sludge ashes
04/11/1991CA2027216A1 Process for producing improved building material and product thereof
04/09/1991US5006490 Method for the formation of refractory products from and disposal of asbestos
04/09/1991US5006140 Melting, extrusion, spraying with water and binder dispersion
04/02/1991US5004719 Containing one or more of silica, alumina or hafnium oxide; catalyst supports
04/02/1991US5004709 Catalyst support
03/1991
03/27/1991EP0419407A2 Partially stabilized zirconia sintered body
03/27/1991EP0165952B1 Shaping of ceramic materials
03/27/1991CN1050177A Fibre-implanted surrounding frame foam concreate composite board
03/26/1991US5002918 Molded articles based on pyrogenically produced mixed-oxide systems of silicon dioxide and aluminum oxide, a method for manufacturing them and their use
03/26/1991US5002917 Molded articles based on pyrogenically produced titanium dioxide method for their manufacturing and uses
03/26/1991US5002904 Process for producing shaped refractory products
03/26/1991CA1282014C Uniform minimum-permeability woven fabric, filter and process therefor
03/26/1991CA1281861C Infusing preoxidized carbonaceous fibres with non-polar plasticizer
03/20/1991EP0417765A2 Method of producing porous mold
03/20/1991EP0417756A2 Method for manufacturing a porous body of molybdenum silicide
03/20/1991EP0417583A2 Inorganic shaped body
03/20/1991EP0417582A2 Process for the manufacture of open-celled foam essentially of inorganic constituents
03/19/1991US5001088 Method for producing porous form bodies
03/19/1991US5001001 Infiltration of reactive gases into compacted metal powder body, then exposure to laser for heating, cooling
03/19/1991CA1281506C Lightweight aggregate having high resistance to water absorption and process for preparation thereof
03/12/1991US4999385 Carbonaceous foams
03/12/1991US4999322 Yttrium-Barium-Copper Oxide
03/06/1991CN1049623A Porous sintered body and method of mfg. same
03/05/1991US4997192 Mechanical seal using pore-dispersed material, and pore-dispersed cemented carbide and method for manufacturing same
02/1991
02/27/1991EP0414419A2 Porous sintered body and method of manufacturing same
02/27/1991EP0414252A2 Open-pore shaped article, its production and use
02/26/1991US4996015 Methods of producing ceramic honeycomb structures
02/26/1991US4995444 Patterning and casting; firing to decompose organic templets, solidification by cooling
02/20/1991EP0413078A1 Method for improving the surface appearance of a water-permeable ceramic molding
02/20/1991CN1049327A Making method of pearlite foam article by expasion of cement
02/20/1991CN1049326A Anti slaking composition material based on boron nitride and its production method
02/19/1991US4994302 Multilayer ceramics; firing green tape
02/19/1991US4994216 Process of making carbon-bonded refractory shaped articles
02/19/1991US4993481 Thermal storage unit
02/19/1991CA1280526C Anti-corrosive composition for iron and steel surfaces and the use thereof for protecting the reinforcing steel bars of autoclaved light-weight concrete
02/13/1991EP0412931A1 Process for production of a porous ceramic body
02/13/1991EP0412930A1 Process for production of a porous ceramic body
02/13/1991EP0412673A2 Ceramic foam filters
02/13/1991EP0412230A1 Process for producing a ceramic product using sludge ashes
02/13/1991CN2071254U Large diameter column foamed ceramic body
02/12/1991US4992254 Low density carbonized composite foams
02/09/1991CA2022768A1 Process for manufacturing a ceramic foam body
02/09/1991CA2022767A1 Process for manufacturing a ceramic foam body
02/05/1991US4990473 Sintering in the presence of antimony, evaporating most of the formed Antimony oxide; high strength and heat shock resistance; internal combustion engines, filters