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)
04/1990
04/10/1990EP0341266A4 Superconductivity in square-planar compound systems.
04/10/1990EP0302912A4 Process for preparation of monodispersed barium containing ferrites.
04/10/1990CA2000232A1 Sic powder, a process for its production and its use
04/10/1990CA1267664A1 Sliding body, and a process for its manufacture
04/10/1990CA1267660A1 Carbon-bonded refractory bodies
04/06/1990CA2000221A1 Silicon carbide fibre and production thereof
04/06/1990CA2000197A1 Process for making a silicon carbide composition
04/05/1990WO1990003348A1 High hardness, wear resistant materials
04/05/1990WO1990003339A1 Vessel for molten metals, material for such vessel and method for fabricating the material
04/04/1990EP0362186A2 Process for producing aluminium titanate
04/04/1990EP0362000A2 Process for preparing a bismuth-type compound oxide superconductor
04/04/1990EP0361963A2 R-T1-Sr-Ca-Cu-O superconductors and processes for their preparation
04/04/1990EP0361797A1 Heat-generating ceramics body for hyperthermia and method of producing the same
04/04/1990EP0361736A2 Curable organopolysiloxanes filled with silicon carbide powders and highly densified sintered bodies therefrom
04/04/1990EP0361735A2 Highly densified bodies from organopolysiloxanes filled with silicon carbide powders
04/04/1990EP0361721A1 Dielectric ceramic composition
04/04/1990EP0361542A1 Composite articles and process for their production
04/04/1990EP0361396A1 Process and apparatus for preparing an amorphous powder of a ceramic or metallic material
04/04/1990EP0361356A1 Heat-resistant and inorganic shaped article
04/04/1990EP0361326A2 Silicon-infiltrated silicon carbide parts with a porous surface, and method of making them
04/04/1990EP0361265A1 Production of thin films of a high temperature superconductor by a plasma-activated PVD process
04/04/1990EP0361181A2 Infusibilization of organic silazane polymers and preparation of hollow ceramic fibers
04/04/1990EP0361167A1 Coating apparatus
04/04/1990EP0361148A1 Silicon nitride ceramics and process for their production
04/04/1990EP0360802A1 Method for making ceramic orthodontic brackets.
04/04/1990CN1041058A Process for producing high-temp. superconductor and also shaped bodies composed thereof
04/04/1990CN1040933A Ginding process
04/04/1990CN1040932A Ultrasonic atomizing prepn of superfine powder
04/04/1990CN1007420B Method of manufacturing moulded bodies from hydroxyphosphate
04/03/1990US4914063 Reacting high purity silicon particles and amines in liquid phase
04/03/1990US4913936 Method of surface alloying sialon articles
04/03/1990US4913840 Production of stable anionic sols containing colloidal alumina hydrate
04/03/1990US4913754 Manufacture of beta-alumina artifacts
04/03/1990US4913738 Heat-resistant composite body
04/03/1990US4913652 Pyrolytic boron nitride crucible and method for producing the same
04/03/1990US4913408 Refractory liner compositions
04/03/1990CA1267294A1 Reinforced ceramic cutting tools
03/1990
03/29/1990DE3832933A1 Process for the preparation of polysilazanes
03/29/1990DE3831383A1 Process for producing a superconducting body
03/28/1990EP0360773A2 Transformation toughened ceramic alloys
03/28/1990EP0360662A1 Precursor compositions for superconducting ceramics, their preparation and use
03/28/1990EP0360649A1 Process for the preparation of a ceramic material in the hybrid chemical way, and material obtained
03/28/1990EP0360606A2 Preparation of elastic graphite materials
03/28/1990EP0360567A2 High hardness, wear resistant materials
03/28/1990EP0360564A2 Method of producing a ceramic material for insert casting
03/28/1990EP0360563A2 Method of producing ceramic honeycomb structural bodies
03/28/1990EP0360550A2 Fibres of YBa2 Cu3 O7
03/28/1990EP0360426A1 A method of moulding ceramic insulators for use in spark plugs
03/28/1990EP0360404A1 Calcium dialuminate/hexaluminate ceramic structures
03/28/1990EP0360305A2 Process for producing particles of a composite material, and their use
03/28/1990EP0360217A2 Process for producing graphite blocks
03/28/1990EP0360008A1 Dielectric ceramic composition
03/28/1990EP0359827A1 Superconducting oxide and method of producing the same
03/28/1990CN1040814A Shelling-resistant abrasive grain, method of making same, and abrasive products
03/27/1990US4912305 High strength, oxidation resistance, high melting point metals and alloys; used in electric ovens, furnaces cooking elements
03/27/1990US4912068 Metal-free; magnesium oxide and graphite
03/27/1990US4911870 Heating silicon dioxide and carbon powder in nitrogen atmosphere
03/27/1990US4911756 Hard sintered compact for tools
03/27/1990CA1267181A1 Glass melting tanks and to refractory materials for use therein
03/27/1990CA1267164A1 Microcrystalline transition metal oxide spinel articles
03/27/1990CA1267163A1 Ceramic articles containing silicon carbide
03/22/1990WO1990003047A1 Superconducting 2-4-7 oxides
03/22/1990WO1990002822A1 Refractory liner compositions
03/22/1990WO1990002717A1 Increasing aluminum nitride thermal conductivity via pre-densification treatment
03/22/1990WO1990002716A1 Increasing aluminum nitride thermal conductivity via vapour-phase carbon
03/22/1990WO1990002715A1 Novel method for producing ceramic bodies
03/22/1990WO1990002705A1 PROCESS FOR PRODUCING β-SIALON POWDER
03/22/1990WO1990002704A1 Boron nitride of high hardness
03/22/1990EP0363435A4 Improved process for making superconductors.
03/22/1990DE3930326A1 Glass-encapsulated hot isostatic pressing of ceramic - using reusable molybdenum rate between glass and crucible
03/22/1990DE3831060A1 Process and apparatus for the batchwise firing of graphite electrodes in the first and/or second firing
03/22/1990DE3831050A1 Graphite-band seal
03/21/1990EP0359604A1 Process for preparing polyhydrosilazanes from hydrazines, and their use as precursors for ceramics
03/21/1990EP0359411A2 High-frequency substrate material for thin-film layered perovskite superconductors
03/21/1990EP0359278A2 Shaped article of oriented calcium phosphate type compound, sinter thereof and processes for producing same
03/21/1990EP0358997A1 Process for producing by calcining and reactive sintering a high-temperature superconductor of the type REBa2Cu306,5+y
03/21/1990EP0358980A1 Bulk shape high-temperature superconductor, and method for its manufacture
03/21/1990EP0358777A1 PROCESS FOR PRODUCING Bi-Ca-Sr-Cu-O, Tl-Ca-Sr-Cu-O AND Tl-Ba-Ca-Cu-O SUPERCONDUCTING CERAMICS
03/21/1990EP0358751A1 Multi-phase electro-melted material based on alumina, oxycarbide and oxynitride of aluminium.
03/21/1990EP0358713A1 Improved ceramic compositions and methods employing same.
03/21/1990CN1040700A Bismuth system oxide superconductors and preparation thereof
03/21/1990CN1040574A Refractory used as lining
03/21/1990CN1040573A High temp. daub and method of preparation
03/21/1990CN1040572A Manufacturing method for ceramics and products thereof
03/20/1990US4910452 High frequency AC magnetic devices with high efficiency
03/20/1990US4910174 Thin ceramic articles obtained by fusing and casting in a mold a composition of the system Al2 O-ZrO2 -SiO2 -K2 O which have good mechanical strength and abrasion resistance properties
03/20/1990US4910173 Preceramic compositions and ceramic products
03/20/1990US4910172 Heating in anhydrous silicon tetrafluoride
03/20/1990US4910171 Titanium hafnium carbide-boride metal based ceramic sintered body
03/20/1990US4909973 Method for refining non-oxide ceramic powders
03/20/1990US4909484 Prevention of slag buildup in steel ladles
03/20/1990US4909133 Lightweight piston architecture
03/14/1990EP0358530A2 Novel method for producing ceramic bodies
03/14/1990EP0358228A2 Silicon nitride sintered body
03/14/1990EP0358049A2 Oriented polycrystalline superconductor
03/14/1990EP0357959A1 Sinterable raw material based on aluminium titanate, process for its preparation and sintered articles made therefrom, and its use
03/14/1990EP0357789A1 Process of producing a ceramic honeycomb structural body
03/14/1990EP0357683A1 Improved process for making 90 k superconductors
03/14/1990CN1040427A Prodn. of ceramic slag shovel plate and ceramic slag poker for boiler
03/14/1990CN1040380A Process for prepn. of polyhydrosilazanes derived from hydrazine and use