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)
12/1990
12/11/1990US4976705 Radiates infrared rays upon heating
12/11/1990CA1277487C Plasma arc sintering of silicon carbide
12/06/1990DE3917734A1 Verfahren zur herstellung von keramischen formkoerpern durch gefrieren waessriger schlicker Process for the manufacture of ceramic formkoerpern by freeze Aqueous slurry
12/06/1990DE3917570A1 Electrical ceramic component esp. cold conductor - has over-doped surface giving increased breakdown resistance
12/06/1990DE3917006A1 Diaphragm for acoustic device based on boron-doped carbon materials - by heating mixt. of boron cpd., graphite and resins to high temp. to disperse dopant and orient graphite
12/05/1990EP0401014A2 Process for preparing superconductive fibers
12/05/1990EP0400962A1 Dielectric ceramic and process for producing the same
12/05/1990EP0400862A1 Preceramic compositions and ceramic products
12/05/1990EP0400788A1 Compositions and methods for making ceramic matrix composites
12/05/1990EP0400778A2 Reversible polymer gel binders for powder forming
12/05/1990EP0400716A1 Soft magnetic magnesium-manganese-zinc-ferrite material and products thereof
12/05/1990EP0400659A1 Method for producing powder by gas atomization
12/05/1990EP0400656A1 Silicon nitride-silicon carbide composite material and process for production thereof
12/05/1990EP0400560A1 Method of producing high density fiber reinforced composite material
12/05/1990EP0400306A1 Zirconium dioxide powder, process for its preparation and its use in forming sintered bodies
12/05/1990EP0400005A1 Fully dense alumina ceramic composite reinforced by surface-zirconated alumina fibers.
12/05/1990EP0181405B1 Dielectric ceramic material
12/05/1990CN1047487A Crackle powder colour porcelain making technology
12/05/1990CN1047486A Refractory compositions containing monoclinic zirconia and articles formed from compositions exhibiting improved mechanical strength at high temperatures and improved resistance to thermal shocks
12/05/1990CN1047485A Refractory body
12/04/1990US4975512 Crosslinking with amine, ammonium, hydrazine
12/04/1990US4975417 Electrophoretically depositing ground ceramic material on electrode substrate
12/04/1990US4975416 Method of producing superconducting ceramic wire
12/04/1990US4975414 Rapid production of bulk shapes with improved physical and superconducting properties
12/04/1990US4975412 Pressurization of material in die, high voltage electrical discharge; dense monoliths
12/04/1990US4975411 Superconductors and methods of making same
12/04/1990US4975398 High impact strength ceramic composite head pad material
12/04/1990US4975397 Zirconium oxide is stabilized with mixture of magnesium oxide and yttrium oxide; heat resistance; dimensional stability
12/04/1990US4975395 Substituted silicon nitride material and method of production thereof
12/04/1990US4975394 High temperature strength oxidation resistance
12/04/1990US4975318 Improved acoustic carbon diaphragm
12/04/1990US4975302 Surface-coated SiC whiskers, processes for preparing the same, ceramic reinforced with the same, and process for preparing said reinforced ceramic
12/04/1990US4975261 Impregnation of a carbon fiber in a liquid dispersion of a thermosetting phenolic or furan resin; carbonization
12/04/1990US4975231 Calcium silicate in xonotlite matrix; reinforcing carbon fibers
12/04/1990US4975226 Process for making green briquettes for forming Si or SiC
12/04/1990US4975225 Manufacture of monolithic, stiff, lightweight ceramic articles
12/04/1990US4975044 Gas mantle technology
12/04/1990US4974498 Synthetic diamond protective coating
12/04/1990CA1277378C Capacitor with dielectric of plzt and an intergranular borate
12/04/1990CA1277337C Sintered body of aluminum nitride having higher thermal conductivity and a process for producing the same
12/03/1990WO1990014912A2 Method of forming shaped components from mixtures of thermosetting binders and powders having a desired chemistry
12/02/1990CA2017962A1 Zirconium dioxide powder, processes for its preparation and its use for the production of sintered articles
12/01/1990WO1990014909A1 Method for lining a metallurgical container, and composition and machine for implementation of same
12/01/1990CA2033201A1 Method for forming a lining on a metallurgical vessel, a composition and a machine for the application of said method
12/01/1990CA2017829A1 Process for preparing superconductive fibers
11/1990
11/29/1990WO1990014529A1 Method of dynamically balancing ceramic turbine wheels
11/29/1990WO1990014381A1 Silyl- and disilanyl-1,3-butadiyne polymers from hexachloro-1,3-butadiene
11/29/1990WO1990014308A1 Textured oxide compositions by directional oxidation
11/29/1990WO1990014307A1 Process for manufacturing powdered ceramic oxides
11/29/1990WO1990012835A3 Hydridosiloxanes as precursors to ceramic products
11/29/1990DE4016942A1 Producing aluminium nitride fibres - by mixing aluminium cpd., fibre forming organic polymer and opt. carbon (nitrogen)-contg. cpds., forming fibres and sintering
11/29/1990DE3917005A1 Verfahren zur herstellung von leitdraehten aus hartkohlenstoff fuer die erzeugung von strom, der einer brennstoffzelle zugefuehrt wird Process for the preparation of guide wires of hard carbon for the generation of electricity, which is a fuel cell fed leads
11/29/1990DE3916630A1 Removing organic components from pressed oxide ceramic material - by heating in nitrogen-oxygen atmos. contg. low amt. of oxygen to prevent temp. differential between inner and outer areas of body
11/28/1990EP0399872A1 Ceramic superconducting material, precursor composition and process for preparation thereof
11/28/1990EP0399833A1 Novel solid multi-component membranes, electrochemical reactor and use of membranes and reactor for oxidation reactions
11/28/1990EP0399786A2 Refractory linings capable of resisting sodium and sodium salts
11/28/1990EP0399750A1 Sialon-containing ceramic sinter
11/28/1990EP0399727A1 Ceramic mould material
11/28/1990EP0399665A1 Method of manufacturing ferrite crystals and method of producing ferrite powders preferably used therefor
11/28/1990EP0399621A1 Graphite-refractory metal composite
11/28/1990EP0399548A2 Carbon/carbon composite fasteners
11/28/1990EP0399107A1 High strength silicon nitride sintered body and process for producing same
11/28/1990EP0398988A1 SUPERCONDUCTING Bi-Sr-Ca-Cu OXIDE COMPOSITIONS AND PROCESS FOR MANUFACTURE
11/28/1990EP0398918A1 Magnetic shield, in particular in devices for biomagnetic examinations, and process for producing it
11/28/1990CN1047274A Ceramics made from tailings of iron ore and making method thereof
11/28/1990CN1010556B Method for shaping anodic aluminium oxide sheet
11/27/1990US4973567 Electric ceramic composition
11/27/1990US4973566 Cordierite material useful in a heat source retainer and process for making the same
11/27/1990US4973415 Epoxy or silicon resin binder
11/27/1990CA1276761C Bicomponent ceramic fibers
11/25/1990CA2017456A1 Carbon/carbon composite fasteners
11/22/1990EP0398612A1 Sintering method for preparation of planar oxide superconductor
11/22/1990EP0398567A2 Method of operating AC magnetic devices with high efficiency at high frequency
11/22/1990EP0398503A2 Rare-earth barium copper oxide superconducting materials
11/22/1990EP0398278A1 Process for the production of a ceramic mixture, especially a refractory mixture
11/22/1990EP0398046A2 Process for making a flexible ceramic element and flexible ceramic element obtained thereby
11/22/1990EP0397743A1 New composite material comprising a perowskite-type phase and a nitride phase, process for producing it and electrical assemblies containing it
11/22/1990EP0397684A1 Process for forming fine ceramic powders and products thereof
11/22/1990DE4015358A1 High strength silicon carbide body - contg. dispersed acicular silicon carbide particles
11/22/1990DE3915914A1 Verfahren zur herstellung von gruenkoerpern und gesinterten formkoerpern aus siliciumcarbid Process for the preparation of gruenkoerpern and sintered formkoerpern from siliciumcarbid
11/21/1990CN1047091A Oligomer silazanes and process for preparation thereof
11/20/1990US4971946 Process for preparing a novel superconductor with high density and hardness using heating steps and high pressure compacting
11/20/1990US4971934 Refractory brick; magnesium oxide, alumina, manganese dioxide
11/20/1990US4971933 Alloy, ceramic composites
11/20/1990US4971830 Cermet electrodes; sintering doped zirconia into a porous metal electrode
11/20/1990US4971779 Pyrolysis of polybobazines to boron nitride
11/20/1990US4971772 High-purity lining for an electric low shaft furnace
11/20/1990US4971740 Method for manufacturing a sintered body of silicon nitride
11/20/1990US4971738 Sintering a laminate, forming metals from reducible metal oxides, oxidation of carbon
11/20/1990US4971734 Method of making nuclear fuel pellets, comprising producing and using pourable, frittable powders obtained directly by precipitation of peroxides
11/20/1990CA1276450C Resistor compositions
11/20/1990CA1276420C Self-sealing fluid die
11/20/1990CA1276417C Inorganic oxide fibres and their production
11/16/1990CA2016947A1 Silyl- and disilanyl-1,3-butadiyne polymers from hexachloro-1,3-butadiene
11/15/1990WO1990013919A1 Production of high temperature superconducting materials
11/15/1990WO1990013526A1 Refractory material
11/15/1990WO1990013525A1 PROCESS FOR PRODUCING β-SIALON SINTER
11/15/1990WO1990013517A1 Oxide superconductor and method of producing the same
11/15/1990WO1990013513A1 Combustion synthesis of materials using microwave energy
11/15/1990DE3915116C1 Electrically non-conducting crucible - includes pyrolytic carbon layer and aluminium nitride or aluminium oxide-contg. ceramic