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)
01/1991
01/24/1991DE4023202A1 Defective ferrite spinel magnetic material - heat treated to optimise and stabilise magnetic or magneto=optical properties
01/24/1991DE4023001A1 Ceramic-ceramic or ceramic-metal composite powders having uniform 2nd - obtd. by cation-exchanging metal from soln. onto ceramic powder then converting metal to cpd.
01/24/1991DE3933566C1 Plate type combustion capsule - comprises glass phase for firing of porcelain at high temp.
01/24/1991DE3923491A1 Low sintering temp. glass-ceramic material - useful for substrates and multilayer housings in microelectronics
01/23/1991EP0409764A2 A method of forming macrocomposite bodies by self-generated vacuum techniques, and products produced therefrom
01/23/1991EP0409763A2 A method of forming metal matrix composite bodies by a self-generated vacuum process
01/23/1991EP0409733A1 Carbonaceous material protected against oxidation by boron carbonitrides
01/23/1991EP0409717A1 Sintering process for rare earth boride
01/23/1991EP0409652A2 Sodium sulfur cell and process of manufacturing the same
01/23/1991EP0409501A1 Varistor material and method of producing same
01/23/1991EP0409409A2 Superconducting materials
01/23/1991EP0409319A1 Process for the preparation of a metal oxide composite, composite metal oxide powders and ceramic materials
01/23/1991EP0409193A2 Process for production of sintered silicon nitride made article
01/23/1991EP0409146A2 Method and apparatus for preparing organic silazane polymer and method for preparing inorganic fibers
01/23/1991EP0409144A1 Speaker diaphragm and process for producing the same
01/23/1991EP0409121A1 Dense superconducting bodies with textured microstructure
01/23/1991EP0408906A2 Water soluble cellulosic binder for ceramic tape casting
01/23/1991EP0408771A1 Alumina ceramic, abrasive material, and production thereof
01/23/1991CN1048751A Metallic crucible made of anticorrosion composite material
01/23/1991CN1011306B Filter of purifying magnesium oxide foam pottery and process for making same
01/22/1991US4987201 Boron-carbon-silicon polymers and the ceramic thereof
01/22/1991US4987108 Dielectric paste
01/22/1991US4987107 Ceramic composition for reduction-reoxidation type semiconductive capacitor
01/22/1991US4987105 For glass-encapsulated ceramics in hot isostatic pressing
01/22/1991US4987104 Method of forming a ceramic product
01/22/1991US4987028 Construction materials
01/22/1991US4986967 Controlled flow of reactive and effluent gases
01/22/1991US4986945 Method for producing mold-shaped ceramic bodies
01/22/1991US4986943 Crosslinking to prevent softening, bloating and bubbling before carbonization
01/22/1991CA2020675A1 Method of forming macrocomposite bodies by self-generated vacuum techniques, and products produced therefrom
01/22/1991CA1279175C Ceramic processing and products
01/21/1991CA2021549A1 Process for making a metallic oxide composite, metallic oxide composite powders and ceramic materials thereof
01/21/1991CA2021188A1 Varistor material and method of producing same
01/19/1991WO1991001274A1 COMPOSITIONS DERIVED FROM Bi4V2O¿11?
01/19/1991CA2020673A1 Method of forming metal matrix composite bodies by a self-generated vacuum process, and products produced therefrom
01/17/1991DE3921960A1 Granulating carbonaceous dusts - using sugar as binder
01/16/1991EP0408531A1 Method in manufacturing a split circular ring
01/16/1991EP0408435A1 Perfection of tools for vapour phase infiltration of a material into the core of fibrous preforms relevant to the making of composites
01/16/1991EP0408134A2 Device and methodology for characterizing superconductive materials
01/16/1991EP0408039A2 Marginal current detector for measuring the partial pressure of a gas
01/16/1991EP0407946A1 Cubic boron nitride sintered compact and method of preparing the same
01/16/1991EP0407786A1 Transfer tube with insitu heater
01/16/1991EP0340299A4 Preceramic compositions and ceramic products
01/16/1991CN1048536A Methods of producing ceramic and ceramic composite bodies
01/16/1991CN1011230B Pron. of silicon-nitride-based ceramic using nitrides as sintering additive
01/15/1991US4985489 Production of articles of bonded particulate material and binder compositions for use therein
01/15/1991US4985400 Process for producing superconductive ceramics by atomization of alloy precurser under reactive atmospheres or post annealing under oxygen
01/15/1991US4985382 Oxide, boride, nitride or carbide of aluminum, silicon, tin, titanium or zirconium
01/15/1991US4985381 Dielectric ceramic composition
01/15/1991US4985379 Stabilized metallic oxides
01/15/1991US4985378 From silicon nitride and carbon
01/15/1991US4985316 Carbon coated fibers
01/15/1991US4985315 Fuel cells
01/15/1991US4985229 Process for manufacturing fine zirconium oxide powder
01/15/1991US4985202 Process for forming porous metal-second phase composites
01/15/1991US4985184 Production of carbonaceous powders and their granulation
01/15/1991US4985167 Manganese-zinc ferrite
01/15/1991US4985163 Shaped heat-insulating body and process of making the same
01/15/1991US4985050 Supported thermally stable cubic boron nitride tool blanks and method for making the same
01/15/1991CA2020930A1 Device and methodology for characterizing superconductive materials
01/15/1991CA1279113C Voltage non-linear resistor and its manufacture
01/15/1991CA1279033C Producing composite materials from high voltage electrostatically charged fibres by impregnation
01/11/1991CA2020093A1 Metal article and method for producing the same
01/10/1991WO1991000622A1 Silver doped superconductor composite
01/10/1991WO1991000254A1 Ceramic composite material and method of obtaining it
01/10/1991WO1991000140A1 Use of hydrogen peroxide in preparing magnesium containing silicate sols for coating and fiber formation
01/10/1991DE4019818A1 Precision casting of esp. false teeth - using zirconium or aluminium oxide and silicon di:oxide with ammonium prim. phosphate and magnesium oxide as binder
01/10/1991DE3922539A1 Carbon fibre-reinforced carbon heating element prodn. - involves chemical gas phase infiltration with pyrolytic carbon
01/10/1991CA2012235A1 Transfer tube with insitu heater
01/09/1991EP0407331A2 Methods for forming macrocomposite bodies useful as electronic package container
01/09/1991EP0407330A2 Methods of producing ceramic and ceramic composite bodies
01/09/1991EP0407181A1 Niobium-doped titanium membranes
01/09/1991EP0406847A1 Sintered material on basis of aluminium oxide, process for its production and its utilisation
01/09/1991EP0406580A1 A composite material and a method for producing the same
01/09/1991EP0406578A2 Process for making a sintered body of alumina and partially stabilized zirconia and method of preparing a powder for sintering.
01/09/1991EP0406549A2 Process for producing carbon bonded refractory ceramic bodies
01/09/1991EP0406252A1 ELEMENT FOR LIMIT-CURRENT SENSORS FOR DETERMINING THE -g(l) VALUE OF A GAS MIXTURE.
01/09/1991CN1048415A Iron-,cobalt-and nickel-based alloys having lower content of sulfur, oxygen and nitrogen
01/09/1991CN1048377A Method for forming porous refractory and composition for used the method
01/09/1991CN1048376A Self-reinforced silicon nitride ceramic of high fracture toughness and method of preparing same
01/08/1991US4983839 Lead calcium titanate, low curie temperature
01/08/1991US4983573 Process for making 90° K. superconductors by impregnating cellulosic article with precursor solution
01/08/1991US4983572 Superconductive body
01/08/1991US4983571 Method of producing YBa2 Cu3 O6+x superconductors with high transition temperatures
01/08/1991US4983563 Consolidation, heat treatment, roasting; catalysts and supports
01/08/1991US4983556 Alumina, feldspar, silica sand, china stone and clay are mixed, shaped, dried, and fired
01/08/1991US4983555 Application of transparent polycrystalline body with high ultraviolet transmittance
01/08/1991US4983554 Silicon nitride ceramic containing molybdenum disilicide
01/08/1991US4983553 Continuous carbothermal reactor
01/08/1991US4983462 Method for preparing aluminum nitride and its sinter
01/08/1991US4983451 Heat resistance material for aircraft and spacecraft
01/08/1991US4983422 Applying liquid alumina precursor onto a reinforcement fabric, pyrolytic conversion to an alumina ceramic matrix phase
01/08/1991US4983368 Method of producing β-sialon fine powder
01/08/1991US4983340 Method for forming a high density metal boride composite
01/08/1991US4983339 Process for shaping a material by hot isostatic pressing and titanium sheath usable in this process
01/08/1991US4983244 Process for producing graphite blocks
01/08/1991US4983182 Ceramic implant and process for its production
01/08/1991CA2020676A1 Methods for forming macrocomposite bodies and macrocomposite bodies produced thereby
01/08/1991CA2020674A1 Methods of producing ceramic and ceramic composite bodies
01/08/1991CA2020575A1 Sintered material based on aluminum oxide, process for its production and process for its use