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)
05/1990
05/17/1990WO1990005120A1 Method of obtaining chromium-containing refractory material
05/17/1990WO1990005119A1 Alumina-zirconia-silicon carbide-magnesia compositions and cutting tools
05/17/1990WO1990005045A1 Alumina-zirconia-silicon carbide-magnesia ceramic articles
05/16/1990EP0368837A1 Sintered microcrystalline ceramic material
05/16/1990EP0368790A1 A method of providing a gating means, and products produced thereby
05/16/1990EP0368781A1 A method for forming metal matrix composite bodies containing three-dimensionally interconnected co-matrices and products produced thereby
05/16/1990EP0368765A2 Oxide superconducting material and process for preparing the same
05/16/1990EP0368688A1 Polymers containing nitrogen and boron, their preparation and their use as boron nitride precursors
05/16/1990EP0368619A1 Dielectric ceramic composition
05/16/1990EP0368535A2 Highly densified bodies from preceramic polysilazanes filled with silicon carbide powders
05/16/1990EP0368517A2 A method of producing silicon carbide-based bodies
05/16/1990EP0368439A1 Voltage non-linear resistor and method of producing the same
05/16/1990EP0368370A1 Refractory fibers of amorphous alumina and organic residue
05/16/1990EP0368210A2 An oxide superconductor composition and a process for the production thereof
05/16/1990EP0368181A1 Material for conducting protons
05/16/1990EP0368069A2 Process for preparing polycrystalline cubic boron nitride ceramic masses
05/16/1990EP0367844A1 Process for the production of a sintered ceramic body made from a superconducting material having a high transition temperature
05/16/1990EP0367809A1 Flow divider.
05/16/1990EP0188688B1 Refractory thixotropic vibration material and method and apparatus for the vibration lining of metallurgical vessels with the material
05/16/1990CN1042192A High hardness, wear resistant materials
05/15/1990US4925817 Barium titanate with glass additive of barium, calcium and silicon oxides; non-reducible
05/15/1990US4925816 Metal zirconium silicon phosphates
05/15/1990US4925815 Silicon carbide composite ceramic
05/15/1990US4925631 Method of casting a hopcalite filter and cast ceramic fiber-hopcalite
05/15/1990US4925584 Compression of mixture containign an ammonia generating compound
05/15/1990US4925492 Ceramic core for investment casting and method for preparation
05/15/1990US4925458 Cutting tool
05/15/1990CA1269113A1 Gunnable refractory composition
05/15/1990CA1269094A1 Process for producing an alumina-zirconia composite sintered material
05/11/1990CA2002843A1 Oxide superconducting material and process for preparing the same
05/09/1990EP0367497A2 Method of preparing preceramic metallopolysilanes
05/09/1990EP0367403A2 Method for grinding an oxygen sensitive ceramic material and powder obtained by this method.
05/09/1990EP0367372A1 Manufacture of a soderberg electrode incorporating a high carbon-contributing phenolic sacrificial binder
05/09/1990EP0366834A2 Method for producing powdered iron oxide
05/09/1990EP0366721A1 Improved process for making 90 k superconductors
05/09/1990EP0366687A1 Manufacture of inert, catalytic or gas-sensitive ceramic layers for gas sensors
05/09/1990CN1042023A Superconductors
05/09/1990CN1041959A Method of controlled catalytic polymerization of composition polysilazane
05/09/1990CN1041958A Method of controlled catalytic polymerization of composition polysilazane
05/09/1990CN1041930A Inorganic bonding agent electric charcoal magnesia brick and making method
05/09/1990CN1041929A Organic bonding agent electric charcoal magnesia brick and making method
05/09/1990CN1007891B Composition of a low temp. roasted dielectric ceramic with flat characteristic
05/08/1990US4923849 Barium, copper, yttrium oxide
05/08/1990US4923832 Method of making shaped ceramic composites with the use of a barrier
05/08/1990US4923831 Magnesia-calcium oxide refractories
05/08/1990US4923830 Ceramic bodies formed from partially stabilized zirconia
05/08/1990US4923829 Sintered body of interlocked silicon nitride with carbides, nitrides, borides or silicides; shockproof, heat resistance
05/08/1990US4923747 Ceramic thermal barriers
05/08/1990US4923689 Heat treatment and coating with organic phosphoric acid
05/08/1990US4923655 Sealing of end faces of ceramic tubes
05/08/1990US4923652 Method of removing binder from powder molded products
05/08/1990US4923420 Method of manufacturing ceramic translucent material
05/08/1990CA1268786A1 High strength nitride bonded silicon carbide refractories
05/08/1990CA1268785A1 Glass ceramic precursor compositions containing titanium diboride
05/08/1990CA1268675A1 Composite sintered silicon nitride material and cutting tool made therefrom
05/08/1990CA1268626A1 Movable graphitizing furnaces
05/07/1990CA2000822A1 Highly densified bodies from preceramic polysilazanes filled with silicon carbide powders
05/03/1990WO1990004859A1 Fabrication of dual porosity electrode structure
05/03/1990WO1990004856A1 Improvements in and relating to superconducting composite conductors
05/03/1990WO1990004707A1 Device for burning out solids, and process for manufacturing said device
05/03/1990WO1990004573A1 Superconducting metal oxide compositions and processes for manufacture and use
05/03/1990WO1990004568A1 Method and composition for improving flux pinning and critical current in superconductors
05/03/1990WO1990004322A2 Water-dispersible heat-resistant composition and application thereof
05/03/1990DE3836632A1 Refractory lining material based on alkaline earth metal silicate and process for the production thereof
05/03/1990DE3836533A1 Process for producing shaped bodies
05/02/1990EP0366510A1 Process for preparing superconductor of compound oxide of Bi-Sr-Ca-Cu system
05/02/1990EP0366443A1 Ceramic bearing components and method of manufacture thereof
05/02/1990EP0366313A1 Method of producing mixed metal oxide material, and of producing a body comprising the material
05/02/1990EP0366234A1 Fiber-reinforced composite comprising mica matrix or interlayer
05/02/1990EP0365719A2 Preparation of doped materials containing barium or strontium and iron
05/02/1990EP0365645A1 A method of manufacturing perovskite lead scandium tantalate.
05/02/1990EP0365567A1 Semiconductor for resistive gas sensors with high speed of reaction
05/02/1990EP0365553A1 Method for producing ceramic composite materials containing silicon oxynitride and zirconium oxide.
05/02/1990CA2002022A1 Superconducting metal oxide compositions and processes for manufacture and use
05/01/1990US4921925 Polymerizing a boroxine with polysilazane
05/01/1990US4921894 Novel, high temperature resistant insulation
05/01/1990US4921834 Flux method of growing oxide superconductors
05/01/1990US4921822 Ceramic composite
05/01/1990US4921819 Hafnia modified alumina fibers
05/01/1990US4921818 Method of making ceramic composites
05/01/1990US4921666 High temperature and pressure sintering or densification, ceramics, metals
05/01/1990US4921657 Method for densification of amorphous ceramic material
05/01/1990US4921655 Preparation of compact, crystalline and pore-free moldings from oxide ceramic
05/01/1990US4921616 Alveolar ceramic filters for high melting metals
05/01/1990US4921536 Non-calcareous castable binder
05/01/1990US4921531 Process for forming fine ceramic powders
05/01/1990US4921328 Polycrystalline ferroelectric fiber
05/01/1990US4920838 Method of cutting with ceramic cutting tool having improved toughness behavior
05/01/1990US4920640 Compressing composite of ceramic powder and organic binder between boron nitride sheets
05/01/1990CA1268490A1 Alumina-zirconia ceramic
05/01/1990CA1268489A1 Ceramic composites from chemically derived magnesium- aluminate and zirconium oxide
05/01/1990CA1268488A1 Silicon nitride with improved high temperature strength
05/01/1990CA1268391A1 Formation of gels and fibres
04/1990
04/26/1990DE3835794A1 Process for producing a structured ceramic sheet or a ceramic body built up of such sheets
04/26/1990DE3835728A1 Process for the production of powders in the particle size range 1-1000 nm and mouldings made therefrom and use thereof
04/26/1990CA2001422A1 Superconducting metal oxide compositions and processes for manufacture and use
04/25/1990EP0364972A1 Carbon/metal composite
04/25/1990EP0364946A2 Method for making a superconductive metal-matrix composite
04/25/1990EP0364904A2 Purified solution containing iron and manganese, and method producing thereof
04/25/1990EP0364650A1 Sintered polycrystalline neutron-absorbent bodies comprising lanthanide rare-earth oxides and same water stabilized with a 4A-group metal oxide.