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)
06/1993
06/24/1993DE4142898A1 Pyrogenic silica moulding used as catalyst support or catalyst - prepd. from paste in aq. alcoholic ammonia by moulding, drying and calcining
06/24/1993DE4142261A1 Coating and infiltration of substrates in a short time - by heating substrate using body which matches the component contour at gas outflow side and opt. gas entry side
06/24/1993CA2125484A1 Dense ceramic product
06/23/1993EP0547728A1 High purity fused grain in the system alumina-chromia-magnesia
06/23/1993EP0449890A4 Process for the production of metals, alloys and ceramic materials
06/23/1993EP0341312B1 Paste for forming superconductive ceramic film
06/23/1993CN1021349C Process for preparing metal matrix composites
06/22/1993US5221872 Piezoelectric ceramics and their production methods
06/22/1993US5221647 Mixture of alumina, aluminum nitride, silicon nitride and free silicon
06/22/1993US5221578 Weak frangible fiber coating with unfilled pores for toughening ceramic fiber-matrix composites
06/22/1993US5221563 Coating monofilament with slurry of ceramic matrix in ultraviolet curing resin, curing, heat treating to decompose resin and sinter ceramic, densifying compact
06/22/1993US5221558 Melting parent metal, oxidizing, drawing molten metal through oxide to form fresh oxide at interface and heating formed polycrystalline material coated with external material to induce reaction
06/22/1993US5221294 Process of producing self-bonded ceramic abrasive wheels
06/21/1993CA2084243A1 Ceramic matrix composites and method for making same
06/17/1993DE4241431A1 Ferroelectric, Perovskite alkaline earth titanate layer prodn. - for superconductor or (opto)electronic use, by rapid, low temp. deposition of metal di:ketonate(s) with metal-di:ketonate-alcoholate(s)
06/17/1993DE4141366A1 Sintered silicon nitride bodies - mfd. by modifying surfaces with ion beams for passivation
06/17/1993DE4141057A1 Oxide-ceramic superconductor component prodn. - involves applying oxide-ceramic material to substrate and fusing
06/16/1993EP0546432A1 Process for the preparation of chromium oxide refractory bricks
06/16/1993EP0303622B1 Toughening of ceramic bodies
06/16/1993CN1073155A Micro porous aeration head and its making method
06/16/1993CN1073131A Finished product manufacture method
06/15/1993US5219972 Reacting oligomeric silazanes with chlorosilanes
06/15/1993US5219833 Process for manufacturing single phase Tl2 Ba2 CuO6-x superconductors
06/15/1993US5219832 High-tc superconducting ceramic oxide products and macroscopic and microscopic methods of making the same
06/15/1993US5219812 Dielectric ceramic composition
06/15/1993US5219811 Powder composition for sintering into modified barium titanate semiconductive ceramic
06/15/1993US5219810 Ceramic composition
06/15/1993US5219809 Lead zirconium calcium oxide
06/15/1993US5219808 Containing oxides of lead, iron, calciium, tantalum and niobium;
06/15/1993US5219807 Burned high purity refractories with low soluble chromium
06/15/1993US5219806 Alpha phase seeding of transition alumina using chromium oxide-based nucleating agents
06/15/1993US5219805 Ivory-colored zirconia sintered body, process for its production and its use
06/15/1993US5219803 Mixing inorganic colorant with pure aluminum nitride powder, sintering
06/15/1993US5219800 Forming purple colored alumina bodies using least amount of coloring metals and metal oxides for desired intensity
06/15/1993US5219611 Adding to solution of titanium tetraalkoxide and solvent water to cause hydrolysis and condensation, forming into film or monolith, curing
06/15/1993US5219500 Silicon nitride sintered body and process for preparation thereof
06/15/1993US5218757 Tapered carbon microelectrode and process for production thereof
06/10/1993WO1993011185A1 Carbon friction article and method of making it
06/10/1993WO1993011087A1 Structure for a filter or a heat exchanger and a method for making the structure
06/10/1993WO1993011086A1 Pressureless sintering of whisker reinforced alumina composites
06/10/1993WO1993011083A1 Method of processing lignite fly-ash
06/10/1993CA2123129A1 Process for the exploitation of brown coal fly ash
06/09/1993EP0545775A1 Perovskites on the basis of tantalum or niobium and process for its preparation
06/09/1993EP0545466A1 Extrusion, collection, and drying of ceramic precursor gel to form dried gel particles
06/09/1993EP0545438A1 Preparation method of dense sintered bodies for solid electrolytes
06/09/1993EP0545382A2 Silicon nitride sintered product excellent in wear resistance
06/09/1993EP0545221A1 Process for the treatment of a superconducting ceramic article of the type (Ln)1Ba2Cu30(7-8)
06/09/1993EP0545169A2 Silicon containing ceramic powders having a low fluorine content and process for the preparation thereof
06/09/1993EP0545056A1 Improved extrusion method and apparatus for producing a body from powder material
06/09/1993EP0545008A1 Fabrication of low thermal expansion, high porosity cordierite body
06/09/1993EP0544959A1 Modified polysilazane and process for preparation thereof
06/09/1993EP0544952A1 A spark plug insulator and a method of making the same
06/09/1993EP0544913A1 Process for producing silica brick
06/09/1993DE4140455A1 Abrasion-resistant, porous inorganic composite mouldings - comprise highly porous filler, and carbon@ matrix
06/09/1993DE4140326A1 Orbital implant - has closed ball-shaped form with front hemispherical surface of bio-compatible ceramic and rear surface of strong hydrophobic silicone rubber
06/09/1993CN1072919A methods of preparing sintered shapes and green shapes used therein
06/09/1993CN1072918A Production method for blank of glazed ceramic brick
06/09/1993CN1021176C Method for joining parts of ceramic high-temp. superconductor material
06/09/1993CN1021164C Method for metallizing superconducting material onto surface of substrate by use of plasma pheromenon
06/09/1993CN1021163C Method for manufacturing superconductor
06/08/1993US5218010 Accelerators for refractory magnesia
06/08/1993US5217949 Substituting a transition metal for part of the Tl/In and optionally substituting Y or a rare earth element for some of the Ca
06/08/1993US5217947 High-temperature superconductors
06/08/1993US5217946 Tin-containing ceramic composition
06/08/1993US5217945 Oxide superconductors and method for producing same
06/08/1993US5217944 Slow heating above melting point, then slow cooling and solidification while applying orienting magnetic field to form seed crystals
06/08/1993US5217934 Heat resistive phosphate-zircon composite bodies and process for producing same
06/08/1993US5217933 Heat insulation, filter, composite reinforcement
06/08/1993US5217932 Sintered ceramic composite body and method of manufacturing same
06/08/1993US5217931 Contains Si3N4 as the major component, further contains Y, Mg, and Ce
06/08/1993US5217930 Binodal metallic carbide and its use as a catalyst
06/08/1993US5217816 Metal-ceramic composites
06/08/1993US5217789 Comprising aluminosilicates, alumina ceramic fibers and powder filler, binder of alumina, silica in colloidal form; strength, low density
06/08/1993US5217770 Braided shaped filamentary structures and methods of making
06/08/1993US5217755 Injecting gas flow into enclosure containing porous substrate
06/08/1993US5217754 Organometallic precursors in conjunction with rapid thermal annealing for synthesis of thin film ceramics
06/08/1993US5217657 Method of making carbon-carbon composites
06/08/1993US5217583 Composition for manufacturing net shaped electrodes by combustion synthesis
06/08/1993US5216845 Method of machining nickel based superalloys
06/08/1993CA1318907C Alkaline earth metal spinel/kaolin clays and processes for making and using same
06/08/1993CA1318777C Alumina-zirconia ceramic
06/08/1993CA1318776C Method of producing and modifying the properties of ceramic composite bodies
06/08/1993CA1318775C Process for preparing self-supporting bodies and products made thereby
06/08/1993CA1318774C Method for producing ceramic/metal heat storage media, and to the product thereof
06/08/1993CA1318773C Method for surface bonding of ceramic bodies
06/07/1993CA2084628A1 Tentalum- or niobium-based perovskites and process for their preparation
06/07/1993CA2084435A1 Preparation method of dense sintered bodies for solid electrolytes
06/03/1993DE4239973A1 Composite carbon@ material for use in electrodes - comprises glassy carbon matrix with carbon matrix with graphite crystals spatially arranged in direction to exhibit their inherent electrode reaction activity
06/03/1993DE4139105A1 Use of zirconium di:oxide ceramic contg. spinel, magnesium and/or yttrium oxide(s) - as wear part in paper machines, as wire and thread take-up parts, and as high pressure pistons in fluid pumps
06/02/1993EP0544570A1 Process for the preparation of boron nitride and the obtaind boron nitride
06/02/1993EP0544553A1 Low density insulating thermostructural composite material and process for making such glass sandwich material
06/02/1993EP0544070A2 Silicon nitride sintered body
06/02/1993EP0544038A1 Super heat-resistant silicon carbide fibers and process for producing the same
06/02/1993CN1072669A Process for preparing sintered shapes and compositions for use therein
06/02/1993CN1072668A Methods of preparing sintered shapes and green bodies used therein
06/02/1993CN1072658A Producing method for porcelain very-fine powder of thermal-sensitive resistor with positive temp. coefficient
06/01/1993US5215962 Low temperature, rapid preparation
06/01/1993US5215961 Calcining strontium and calcium carbonates with bismuth and copper oxide; subsequent heat treatment reincorporates oxygen to restore superconducting phase
06/01/1993US5215948 Ceramic green bodies
06/01/1993US5215947 Used as plate in a slide closing device