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)
02/1991
02/19/1991US4994437 Method of manufacturing oxide superconducting films by peritectic reaction
02/19/1991US4994436 Process for safely destroying organic binders in ceramic components during the firing process
02/19/1991US4994433 Preparation of thin film superconducting oxides
02/19/1991US4994432 Containing thallim
02/19/1991US4994419 Low temperature synthesis of high purity monoclinic celsian using topaz
02/19/1991US4994418 High temperature strength
02/19/1991US4994417 Also containing boron compound as compaction aid; flexibility, strength, high density, wear resistance
02/19/1991US4994416 Pretreating surface by heating in specified atmosphere to reduce impurities
02/19/1991US4994219 Mixture with strontium carbonate and yttrium oxide
02/19/1991US4994218 Acidification of metal alkoxide solution, then adding base, controlling ph; drying, molding;
02/19/1991US4994216 Process of making carbon-bonded refractory shaped articles
02/19/1991US4993607 Transfer tube with in situ heater
02/19/1991CA2064069A1 Ferritin analogs
02/19/1991CA1280534C Ceramic materials from polycarbosilanes
02/19/1991CA1280448C Transformation toughened zirconia-titania-yttria ceramic alloys
02/19/1991CA1280275C Process for densifying a ceramic part
02/17/1991CA2021885A1 Dimensionally-controlled ceramics
02/15/1991CA2019531A1 Supported thermally stable cubic boron nitride tool blanks and method for making same
02/13/1991EP0412915A1 Wet process for crosslinking polysilazanes for producing ceramic fibres
02/13/1991EP0412914A1 Process for crosslinking polysilazanes for the production of ceramic fibrers
02/13/1991EP0412810A1 Zinc oxide sintered body, and preparation process and use thereof
02/13/1991EP0412722A2 Process for preparing whiteware ceramic articles
02/13/1991EP0412673A2 Ceramic foam filters
02/13/1991EP0412661A1 Improved sintering process and novel ceramic material
02/13/1991EP0412458A1 Dewaxing method of metal or ceramic molded body
02/13/1991EP0412440A2 Dielectric ceramic for microwave applications
02/13/1991EP0412428A1 Ceramic composite bodies and process for their production
02/13/1991EP0412230A1 Process for producing a ceramic product using sludge ashes
02/13/1991EP0412199A1 Single-crystal wafer having a superconductive ceramic thin film formed thereon
02/13/1991EP0412167A1 Laminated type grain boundary insulated semiconductor ceramic capacitor and method of producing the same
02/13/1991EP0412122A1 Superplastic sintered magnesium-oxide ceramic
02/13/1991CN1049145A Making method of electric smelting magnesia
02/12/1991US4992523 Copolymers containing si-n and si-si bonds, polycarbosilazanes obtained by pyrolysis of the said copolymers, and use of the said polycarbosilazanes for the preparation of silicon carbonitride
02/12/1991US4992415 Method for fabricating ceramic superconductors
02/12/1991US4992399 Ceramic, circuit substrate and electronic circuit substrate by use thereof and process for producing ceramic
02/12/1991US4992398 High frequency dielectric composition
02/12/1991US4992397 Low thermal conductivity, high strength refractory castable composition with high abrasion resistance
02/12/1991US4992396 Fused AZS refractory composition
02/12/1991US4992395 Colloidal silica, liquid carrier, organic polymer, and barium sulfate; refractory bricks, castables
02/12/1991US4992341 Fabrication of dual porosity electrode structure
02/12/1991US4992318 Laminated hybrid ceramic matrix composites
02/12/1991US4992237 Using electric arc
02/12/1991US4992225 Sintering compact formed from particles of lanthanide oxides
02/10/1991WO1991001941A1 Superconducting metal oxide compositions and processes for manufacture and use
02/07/1991WO1991001474A1 Oxidizing atmosphere hot isotropic press
02/07/1991WO1991001397A1 Manufacture of carbon fibre preform
02/07/1991WO1991001346A1 Thin self-supporting inorganic green compacts and process for the preparation of such green compacts
02/07/1991WO1991001284A1 Carbon-carbon composite
02/07/1991WO1991001283A1 Dielectric ceramic composition
02/06/1991EP0411943A2 Metal oxide 247 superconducting materials
02/06/1991EP0411757A2 Frequency stable NPO ceramics
02/06/1991EP0411547A1 Lanthanum chromite-based complex oxides and uses thereof
02/06/1991EP0411208A1 Ceramic material and method for making the same
02/06/1991EP0411141A1 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
02/06/1991EP0411047A1 Superconducting ceramics by electrodeposition
02/06/1991CN1049009A Ceramic welding process and powder mixture for use in the same
02/06/1991CN1049008A Method for producing brown corundum
02/05/1991US4990493 Process of making an oriented polycrystal superconductor
02/05/1991US4990488 Superconductors Bi-Sr-Cu-O
02/05/1991US4990475 Alumina-spinal monolithic refractories
02/05/1991US4990473 Sintering in the presence of antimony, evaporating most of the formed Antimony oxide; high strength and heat shock resistance; internal combustion engines, filters
02/05/1991US4990470 High-strength and high-toughness sinter and process for producing the same
02/05/1991US4990469 Excellent binding strength, heat and oxidation resistance, low gas permeability
02/05/1991US4990405 High strength; waterproofing; gasket seals; dielectrics; dielectrics; papers, films, boards and laminates; construction materials
02/05/1991US4990324 Method for producing two-component or three-component lead zirconate-titanate
02/05/1991US4990323 Composition for reduction-reoxidation type semiconductive ceramic capacitor
02/05/1991US4990295 Process for making a silicon carbide composition
02/05/1991US4990180 Combustion synthesis of low exothermic component rich composites
02/05/1991US4990081 Apparatus for shaping carbonaceous blocks by multiaxial compacting
02/05/1991US4989762 Bore formed of zirconia and calcium zirconate, with added graphite, silica, and magnesia; nonclogging
01/1991
01/30/1991EP0410694A2 Mullite articles and their manufacture
01/30/1991EP0410601A2 Composite ceramic material
01/30/1991EP0410564A2 Metastable silane hydrolyzate solutions and process for their preparation
01/30/1991EP0410337A2 Protection coatings made of germanium ceramics
01/30/1991EP0409983A1 Process for producing molding composed of silicon carbide and carbon
01/30/1991CN1048894A Method of forming macrocomposite bodies by self-generated vacuum techniques, and products produced therefrom
01/30/1991CN1048893A Method of forming metal matrix composite bodies by self-generated vaccum process, and products produceded therefrom
01/29/1991US4988970 Semiconductor for a resistive gas sensor having a high response speed
01/29/1991US4988909 Lead, barium, zirconium, and titanium-oxides
01/29/1991US4988673 Method for producing silver coated superconducting ceramic powder
01/29/1991US4988669 A core ceramic superconductor with a metal sheath which serves as a support, embedding a soft magnetic material
01/29/1991US4988668 Ti-Ca-Ba-Cu-D compositions electrically superconducting above 120 degrees K and processes for their preparation
01/29/1991US4988651 Temperature compensating dielectric ceramic composition
01/29/1991US4988650 Auxiliary agent for sintering ceramic material
01/29/1991US4988649 Silica bricks and process for production thereof
01/29/1991US4988648 Ferritic-ceramics solid solution composites,
01/29/1991US4988647 Refractory mass and particles mixture for forming a refractory mass
01/29/1991US4988646 Method for producing a ceramic
01/29/1991US4988538 Ceramic coating
01/29/1991US4988480 Mixing, homogenizing, combustion, compaction, curing a metal and nonmetal blend
01/29/1991US4988468 Firing calcium, barium and magnesium titanates and/or zirconates
01/29/1991US4988464 Method for producing powder by gas atomization
01/29/1991US4988370 Alumina bonded abrasive for cast iron
01/29/1991CA2022186A1 Ceramic material
01/29/1991CA2020453A1 Thermal shock and creep resistant porous mullite articles
01/29/1991CA1279746C Crosslinking polysilazane composition, in which the hydrosilylation reaction is catalysed by a metal or a metallic compound
01/28/1991CA2020486A1 Aluminum oxide ceramics having improved mechanical properties
01/28/1991CA2018609A1 Metastable silane hydrolyzates and process for their preparation
01/24/1991WO1991000847A1 Oxide superconductor and method of producing the same
01/24/1991WO1990014912A3 Method of forming shaped components from mixtures of thermosetting binders and powders having a desired chemistry