Patents
Patents for C04B 35 - Shaped ceramic products characterised by their composition; Ceramic compositions; Processing powders of inorganic compounds preparatory to the manufacturing of ceramic products (79,369)
06/1990
06/28/1990DE3942384A1 Oxygen detection element prodn. - using sinterable paste to form catalytic electrode layer contg. catalytic precious metal power and organometallic cpd. etc.
06/28/1990CA2006854A1 Fired product utilizing incineration ash and producing method thereof
06/28/1990CA2006648A1 Heat-resisting composition, secondary and composite binders for use in said composition and mixing method for same
06/27/1990EP0375627A1 A process for pre-treating powders with a solid lubricant and heat in preparation for compacting operations
06/27/1990EP0375588A1 Methods of forming metal matrix composite bodies by a spontaneous infiltration process
06/27/1990EP0375537A1 Process for protecting carbon containing composite material from oxidation and products made by this process
06/27/1990EP0375518A1 Ceramic dielectric composition having a high permittivity and stability, and capacitor using it
06/27/1990EP0375469A2 Method for electroconsolidation of a preformed particulate workpiece
06/27/1990EP0375192A2 Solid electrolyte tube for sodium sulfur cells and surface finishing process thereof
06/27/1990EP0375184A2 Composition and use
06/27/1990EP0375158A2 Improved zirconium oxide fibers and process for their preparation
06/27/1990EP0375148A2 Production of molded refractory shapes
06/27/1990EP0375134A1 Bi-Ca-Sr-Cu-O superconducting glass ceramics
06/27/1990EP0374957A1 Method of producing silicon nitride sintered body
06/27/1990EP0374955A1 Method of producing beta-sialon fine powder
06/27/1990EP0374931A2 Sputtering target and method of manufacturing the same
06/27/1990EP0374855A2 Soundproofing materials
06/27/1990EP0374825A1 Electronic package comprising aluminum nitride and aluminum nitride-borosilicate glass composite
06/27/1990EP0374689A2 High temperature superconductor materials and method for preparation
06/27/1990EP0374634A2 Method of making reaction-sintered silicon nitride ceramics, silicon nitride ceramics thus obtained and their use
06/27/1990EP0374424A1 Silicon infiltrated porous polycrystalline diamond compacts and their fabrications
06/27/1990EP0374392A1 Process for the production of a ceramic high-temperature superconductor in wire or tape form
06/27/1990EP0374378A2 Piezoelectric ceramic and manufacturing method thereof
06/27/1990EP0374299A1 Method for making a high-temperature superconductor component
06/27/1990EP0374263A1 Oxide superconductive material and process for its production
06/27/1990EP0374158A1 Process for manufacturing a carbon-carbon component, in particular a brake disk, and part thus obtained.
06/27/1990EP0282561B1 Catalytic process for making compounds having a non-lewis acid/base group iiia metal to group va nonmetal bond
06/27/1990CN1043322A Chloro-silazanpolymers, process for producing same, ceramic material coutaining silicon nitride and process for preparaing thereof
06/27/1990CN1043305A High-strength composite ceramics, process for manufacture same, and use thereof
06/27/1990CA2004702A1 Superconductive ceramic oxide combination
06/26/1990USRE33243 Process for treating a metal oxide powder
06/26/1990US4937304 New polysilazane and process for production of the same
06/26/1990US4937226 Deposition of thin film of compound oxide around core
06/26/1990US4937225 Rapid solidification processing of oxide superconductors
06/26/1990US4937214 Process for production of crystal grain-oriented ceramics
06/26/1990US4937213 Process for preparing titanates and zirconates
06/26/1990US4937212 Zirconium oxide fibers and process for their preparation
06/26/1990US4937211 High strength nitride bonded silicon carbide refractories
06/26/1990US4937101 Prereacted inhibitor powder for carbon-carbon composites
06/26/1990US4937022 Process for the continuous cooling and solidification of metal oxides by continuous casting
06/26/1990US4936939 Fabric-reinforced ceramic matrix composite material
06/26/1990CA1270863A1 Refractory material produced from red mud
06/22/1990CA2006548A1 Composition and use
06/22/1990CA2006402A1 Process for the production of metals, alloys and ceramic materials
06/22/1990CA2006338A1 Uniformly-coated ceramic particles
06/21/1990DE3939612A1 Gewickelte verbundaufbauten Composite constructions wound
06/21/1990DE3926555A1 Cordierite ceramic filter - esp. for sterile gas filtration, formed from spray-dried granulate
06/21/1990DE3842691A1 Feuerfestmoertel oder feuerfestkitte und ihre verwendung Feuerfestmoertel or feuerfestkitte and their use
06/20/1990EP0373848A2 Electrically conductive zirconia-based sintered body and process for the production thereof
06/20/1990EP0373765A2 Ceramic alumina abrasive grains seeded with iron oxide
06/20/1990EP0373761A2 Preparation of refractory materials
06/20/1990EP0373609A1 Sintered body for high-accuracy working tools
06/20/1990EP0373354A1 Process for the production of moulded ceramic refractory articles
06/20/1990EP0373220A1 Superconducting oxide material and method of obtaining it
06/20/1990CN1043142A Polymeric hydridochlorsilazane, process of preparation, ceramic material-containing silicon nitride from them and preparation thereof
06/20/1990CN1043141A Polymers of polysubstitution silizane containing chlorine, process of preparation thereof and ceramic materials containing silicon nitride from them and its preparation
06/20/1990CN1043140A Polymeric ethylenbridged chlorsilazane, process of preparation thereof, ceramic material containing azane from them and preparation of ceramic material containing silicon nitride
06/20/1990CN1043139A Polymeric chlorsilazane, process of preparation, ceramic materials containing silicon nitride from them and preparation thereof
06/20/1990CN1043092A Ceramic microspheres
06/20/1990CA2006048A1 Process for the anti-oxidation protection of products in composite materials containing carbon, and products obtained with said process
06/19/1990US4935481 Reacting a dialkylaminoorganyldichlorosilane and ammonia; fibers; coatings; melt processibility
06/19/1990US4935390 Mullite-based ceramic body
06/19/1990US4935389 High temperature strength
06/19/1990US4935388 Rolling contact bearings, material for bearing surfaces, and process therefor
06/19/1990US4935387 Fiber-reinforced composite comprising mica matrix or interlayer
06/19/1990US4935285 Ceramic substrates for microelectronic circuits and process for producing same
06/19/1990US4935199 Softening a powder layer having added binder on the surface of a porous body
06/19/1990US4935055 Method of making metal matrix composite with the use of a barrier
06/19/1990CA2005272A1 Protective material having a multilayer ceramic structure
06/19/1990CA2003559A1 Zirconium oxide fibers and process for their preparation
06/14/1990WO1990006598A1 Homogeneous high temperature superconductors and process for making them
06/14/1990WO1990006293A1 High-strength multi-phase silicon nitride ceramic material and process for the production of the same
06/14/1990WO1990006292A1 Process for producing highly crystalline and homogeneous sub-micron doped and undoped piezoelectric ceramic powders with controlled stoichiometry and particle size
06/14/1990WO1990006291A1 Process for producing sub-micron ceramic powders of perovskite compounds
06/14/1990WO1990006177A1 High surface area cordierite catalyst support structures
06/13/1990EP0373059A1 Ceramic precursor compositions based on polysilazanes and ceramics obtained by pyrolysis of these compositions
06/13/1990EP0373007A1 Multidirectional ceramic fibre textures based on silicon compounds, their manufacture and composites thus reinforced
06/13/1990EP0372910A2 Process for production of aluminium nitride sintered body
06/13/1990EP0372868A2 Ceramic materials for use in insert-casting and processes for producing the same
06/13/1990EP0372808A1 Process for preparing a perovskite type superconductor film
06/13/1990EP0372738A1 Production of fibre reinforced ceramic composite
06/13/1990EP0372708A1 A method of producing a silicon carbide-based body
06/13/1990EP0372389A2 Preparation of a thin carbon plate suitable for use as fuel cell separator
06/13/1990EP0372382A2 Sinterable ceramic powder, method of making same, a silicon nitride ceramic material made thereof, method of making them and their use
06/13/1990EP0372381A2 Process for producing ceramic containing fibres
06/13/1990EP0372379A2 Chlorinated silizane polymers, process for their preparation, process for the preparation of silicon nitride-containing ceramic materials
06/13/1990EP0372378A2 Oligomeric silazanes and methods for their preparation
06/13/1990EP0372377A2 Polymeric ethylene-bridged chlorosilazanes, process for their preparation and preparation of silicon nitride-containing ceramic materials obtainable therefrom
06/13/1990EP0372351A1 Process for the manufacture of a ceramic filter unit
06/13/1990EP0372235A2 Electrode composition
06/13/1990EP0372180A2 Ceramic system
06/13/1990DE3937413A1 High purity silicon nitride prodn. - by reacting silicon powder with nitrogen to obtain porous granulate
06/13/1990CN1042858A Alumina-zirconia-carbide whisker reinforced cutting tools
06/13/1990CN1008363B A magnesia-carbon brick and its process
06/12/1990US4933659 Voltage non-linear resistor and method of producing the same
06/12/1990US4933317 Bismuth oxide superconductors, and devices and systems comprising such a superconductor
06/12/1990US4933309 Process for producing a ceramic composite reinforced with noble metal coated ceramic fibers
06/12/1990US4933308 High strength high toughness TiB2 ceramics
06/12/1990US4933155 Mixing an aqueous solution of lithium salt with zirconium compound gel, dehydrating, burning and pulverizing
06/12/1990US4933139 Uniform high density