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)
08/1990
08/14/1990US4948676 Cermet material, cermet body and method of manufacture
08/14/1990US4948662 Boron nitride coated ceramic fibers and coating method
08/14/1990US4948538 Method of making translucent alumina articles
08/14/1990US4948425 High strength, hardness, toughness, heat and wear resistance; cutting tools
08/14/1990US4948388 Crstals plastically deformed to form a framework structure bonded by metals not forming carbides with carbon; compressive strength; drills, cutters
08/14/1990CA1272741A1 Cordierite ceramics containing silicon carbide whisker reinforcement
08/14/1990CA1272589A1 Anti-reducing semiconducting porcelain having a positive temperature coefficient of resistance
08/14/1990CA1272581A1 Nitriding silicon powder articles using high temperature and pressure dwells
08/11/1990CA2048622A1 Oriented grained y-ba-cu-o superconductors having high critical currents and method for producing same
08/10/1990CA2009760A1 Isostatic pressing with microwave heating and method for same
08/09/1990WO1990009669A1 Ceramic material and process for its production
08/09/1990WO1990008745A1 Preform containing pyrocarbon, its production and use
08/09/1990WO1990008744A1 Alumina ceramic, abrasive material, and production thereof
08/09/1990WO1990008740A1 Mixed-valency cooper oxide containing lead and bismuth and process for its production
08/09/1990WO1990008739A1 Mixed-valency copper oxide containing lead and barium and process for its production
08/09/1990DE4003568A1 Continuous steel casting tube
08/09/1990DE4001059A1 Prepn. of wholly carbon membrane for acoustic use - by calcining mixt. of graphite powder, resin contg. chlorine, monomer or prim. condensate contg. triazine ring, and solvent or plasticiser
08/09/1990DE3905202C1 Sealing compound for sealing metallurgical vessels
08/09/1990CA2046597A1 Ceramic material and process for its production
08/08/1990WO1990009346A1 Production of carbonaceous molding having excellent compressive modulus
08/08/1990EP0381524A2 Method of manufacturing transparent high density ceramic material
08/08/1990EP0381475A2 Process for producing formed carbon products
08/08/1990EP0381360A1 Zirconia mullite/boron nitride composites
08/08/1990EP0381176A2 Ceramic dipping forms and method for their production
08/08/1990EP0380728A1 Low smoke and low heat release glass fiber/carbon fiber/bisoxazoline resin composites and method of manufacture thereof
08/08/1990EP0380590A1 An electrostrictive ceramic material including a process for the preparation thereof and applications therefor.
08/08/1990EP0380496A1 Aluminum hydroxide production.
08/08/1990CN1009139B Layered copper oxide super conductor compound
08/08/1990CA2026774A1 Process for preparation of carbonaceous molded body having excellent compressive elasticity
08/07/1990US4946976 Cordierite composition and method of production
08/07/1990US4946920 Polysilazanes, processes for their preparation, ceramic materials which contain silicon nitride and can be prepared from them, and preparation thereof
08/07/1990US4946919 Boron ceramics from carboralated diacetylene polymers
08/07/1990US4946820 Preparation and use of tin (IV) oxide dispersion
08/07/1990US4946810 Preparation of ABO3 compounds from mixed metal aromatic coordination complexes
08/07/1990US4946809 Precursor for A1NBN ceramic and method of use
08/07/1990US4946808 Densifying, sintering the preshaped slip which composed of solids, matrix, vehicle and dispersant
08/07/1990US4946807 Composite ceramic material reinforced with silicon carbide whiskers
08/07/1990US4946805 Hydrolyzing an alkoxide to form a solid gel; reducing the required amount of alkoxide and/or catalyst
08/07/1990US4946713 Poly(alkenylpentaborane) ceramic precursors
08/07/1990US4946710 Method for preparing PLZT, PZT and PLT sol-gels and fabricating ferroelectric thin films
08/07/1990US4946664 Method of making β"-alumina
08/07/1990US4946630 Making hot pressed silicon nitride by use of low density reaction bonded body
08/07/1990US4946614 By adding solid super acid dispersion
08/07/1990US4946082 Transfer tube with in situ heater
08/07/1990CA1272491A1 Magnesia partially-stabilized zirconia
08/02/1990DE4000777A1 Sintered silicon nitride-based body - with wear resistant surface region and tough interior region
08/02/1990DE3902856A1 Pyro-kohlenstoff enthaltender formkoerper, seine herstellung und verwendung Pyro-carbon-containing formkoerper, its preparation and use
08/02/1990DE3902665A1 Process for upgrading inorganic nonmetallic fibres, in particular ceramic fibres, and also an apparatus for carrying out this process
08/02/1990DE3901545A1 High-temperature heating element and method for its production
08/01/1990EP0380375A1 Composit material with multiples interphases between refractory reinforcing fibers and ceramic matrix
08/01/1990EP0380347A1 Superconducting oxide material and a method for producing the same
08/01/1990EP0380115A2 Oxide superconducting wire
08/01/1990EP0380011A2 Process for preparing transparent alumina ceramics
08/01/1990EP0379960A2 Method of producing a superconducting Bi-based oxide wire
08/01/1990EP0379819A1 Process for cross-linking polysilazanes
08/01/1990EP0379815A1 Process for cross-linking polysilazanes
08/01/1990EP0379777A1 Method of debinding for injection molded objects
08/01/1990EP0379576A1 Gas-permeable porous body, its production and pressure casting mold
08/01/1990CN1044273A Ceramics/fibres complex and process of preparation thereof
08/01/1990CN1044272A Sinterable ceramic powder and process of preparation thereof, silicon nitride ceramic obtained from ceramic powder and preparation and uses thereof
08/01/1990CN1044236A Inert autogenous attrition grinding
08/01/1990CN1008998B Equipment for vertical kiln sintering
07/1990
07/31/1990US4945073 High hardness, wear resistant materials
07/31/1990US4945072 Heating
07/31/1990US4944996 Porous mineral membrane sintered to carbon composite support; mechanical strength, bursting resistance, porosity
07/31/1990US4944905 Particulate ceramic useful as a proppant
07/31/1990US4944904 Method of obtaining a fiber-containing composite
07/31/1990US4944900 Polycrystalline zinc sulfide and zinc selenide articles having improved optical quality
07/31/1990US4944772 Fabrication of supported polycrystalline abrasive compacts
07/31/1990CA1272222A1 High strength dental porcelains
07/31/1990CA1272221A1 Aluminum nitride/aluminum oxynitride/group ivb metal nitride abrasive particles derived from a sol-gel process
07/31/1990CA1272088A1 Ceramic head for internal combustion engine
07/31/1990CA1272080A1 Reinforced flexible graphite sheet
07/30/1990CA2007604A1 A method of producing self-supporting aluminum titanate composites and products relating thereto
07/28/1990WO1990008971A1 Light shutter array element, driving method thereof, plzt for light shutter array element, and method of preventing variance in the transmission light intensity using said plzt
07/28/1990CA2026208A1 Optical shutter array chips, driving methods thereof, plzt for the optical shutter array chips, and preventive methods of uneven strength distribution of transmitted light by using the plzt
07/26/1990WO1990008389A1 Method of producing ceramic-type superconductive wire
07/26/1990WO1990008113A1 Super tough monolithic silicon nitride
07/26/1990WO1990008106A1 Superconducting lanthanide composition having a valence iv
07/26/1990WO1990008103A1 Process for producing tungsten monocarbide
07/26/1990CA2045563A1 Super tough monolithic silicon nitride
07/25/1990EP0379390A2 Piezoelectric element with giant electrostrictive effect and ceramic composition for preparing same
07/25/1990EP0379328A1 Carbon fiber reinforced carbon
07/25/1990EP0378989A1 Doped titanate glass-ceramic for grain boundary barrier layer capacitors
07/25/1990EP0378938A1 Polysilazane compositions cross-linkable by the action of an amine compound, and cross-linking process
07/25/1990CN1044083A Regeneration molten cast firebrick and making method thereof
07/24/1990US4943558 Barium copper oxide containing yttrium or rare earth
07/24/1990US4943557 Method of making a high density YBa Cu3 Ox superconductor material
07/24/1990US4943544 High strength, abrasion resistant refractory castable
07/24/1990US4943543 Sintered ceramic materials
07/24/1990US4943469 Titanium, strontium, manganese, yttrium oxides
07/24/1990US4943403 Ceramics and metals, removing dispersant by solvent extraction with carbon dioxide, reduces strain in final product
07/24/1990US4943401 Process for making silicon nitride articles
07/24/1990US4943398 Method for manufacturing a fused cast refractory
07/24/1990CA2008338A1 Zirconia mullite/boron nitride composites
07/18/1990EP0378504A1 A process for preparing selfsupporting bodies having controlled porosity and graded properties and products produced thereby
07/18/1990EP0378503A1 A method of modifying ceramic composite bodies by a post-treatment process and articles produced thereby
07/18/1990EP0378502A1 Process for preparing self-supporting bodies and products made thereby
07/18/1990EP0378501A1 A method of bonding a ceramic composite body to a second body and articles produced thereby
07/18/1990EP0378500A2 Process for preparing self-supporting bodies and products produced thereby