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)
04/1991
04/30/1991US5011063 Diffusion of molten metal into boron carbide
04/27/1991WO1991006515A1 DENSE SiC CERAMIC PRODUCTS
04/25/1991DE3935060A1 Bioactive ceramic material - based on calcium phosphate cpds., for dental fillings and crowns
04/25/1991DE3934586A1 Elektrochemischer messfuehler Electrochemical measurement sensor
04/24/1991EP0424279A1 Process for preparing high molecular weight polyorganosilazanes
04/24/1991EP0424082A2 Preceramic organosilicon-boron polymers
04/24/1991EP0424036A2 B-N-Cx hybrid coatings for inorganic fiber reinforcement materials
04/24/1991EP0424023A2 Bi-Pb series superconductor and manufacturing process thereof
04/24/1991EP0424022A2 Manufacturing process for superconductor of Bi-Pb-Sr-Ca-Cu-O series
04/24/1991EP0423946A1 Improvements in or relating to the manufacture of metal/fibre composites
04/24/1991EP0423822A1 Ferroelectric ceramics
04/24/1991EP0423793A2 Nozzle for continuous casting and method of producing the same
04/24/1991EP0423490A1 Friable particles and processes for preparing same
04/24/1991EP0423375A1 Oxide superconductor and method of producing the same
04/24/1991EP0423338A1 Method of making a laminated article with wear-resistant surface
04/24/1991EP0423241A1 Process for making superconductors and their precursors.
04/24/1991EP0366721A4 Improved process for making 90 k superconductors
04/24/1991CN1012431B Refractory clay with low thermal conductivity and its producing process
04/23/1991US5010443 Sintered barium titanate and silicate flux
04/23/1991US5010220 Process and apparatus for heating bodies at high temperature and pressure utilizing microwave energy
04/23/1991US5010158 Pyrolysis to ceramic containing silicon, oxygen, nitrogen and optional carbon
04/23/1991US5010054 Reacting oxides of yttrium, scandium and lanthanides with copper oxide and oxides, or part peroxides, of barium and strontium; deformable reaction vessel in autoclave
04/23/1991US5010046 Chromia-magnesia refractory body
04/23/1991US5010045 Reacting chloroborazine with bis-trimethylsilylacetylene in presence of lewis acid as catalysts
04/23/1991US5010044 Process for preparing self-supporting bodies and products produced thereby
04/23/1991US5010043 Production of diamond compacts consisting essentially of diamond crystals bonded by silicon carbide
04/23/1991US5009878 Zirconium dioxide powder, processes for its preparation and its use for the production of sintered articles
04/23/1991US5009823 Curing, postcuring, carbonizing resin impregnated carbon fibers
04/23/1991US5009822 Alumina-or alumina/zirconia-silicon carbide whisker ceramic composites and methods of manufacture
04/23/1991US5009817 Uranium dioxide production
04/23/1991US5009676 Sintered sol gel alumina abrasive filaments
04/23/1991US5009675 Binder-free coating of silicon, titanium or aluminum oxide for grinding wheels
04/23/1991US5009673 Method for making polycrystalline sandwich compacts
04/23/1991US5009584 Interlock system for isostatic forming press
04/20/1991CA2011037A1 Composite material of boron nitride and method for the preparation thereof
04/19/1991CA2001062A1 Method of heat-treating unstable ceramics by microwave heating and susceptors used therefor
04/18/1991WO1991005025A1 Coated hard material particles, process for their manufacture, and use in the manufacture of stock removal tools
04/18/1991WO1991004954A1 Carbon fiber-reinforced composite carbon material having excellent thermal shock resistance and production thereof
04/18/1991WO1991004946A1 Process for making supraconductors
04/17/1991EP0422435A2 Diamond compacts for rock drilling and machining
04/17/1991EP0422407A2 Multilayer distorted-lattice copper-oxide perovskite structures
04/17/1991EP0422386A1 Process for preparing a superconductor based on oxalate
04/17/1991EP0422105A1 Metal oxide ceramic powders and methods of making same.
04/17/1991CN1050711A Ceramic welding process andlance for use in such process
04/17/1991CA2027669A1 Preceramic organosilicon-boron polymers
04/17/1991CA2000840A1 Increasing a1n thermal conductivity via pre-densification treatment
04/17/1991CA2000839A1 Increasing a1n thermal conductivity via vapor-phase carbon
04/16/1991US5008423 Polymeric hydridochlorosilazanes and processes for their preparation
04/16/1991US5008422 Polymerization using transition metal catalysts; pyrolysis to ceramics, such as silicon nitride, silicon carbide
04/16/1991US5008348 Infusibilization of organic silazane polymers
04/16/1991US5008222 Superior strength and high young's modulus; dimensional stability
04/16/1991US5008221 High toughness ceramic alloys
04/16/1991US5008163 Conductive ceramic composition and method of preparation
04/16/1991US5008159 Porous compact of silicon carbide, carbide of metal, and carbon, infiltrating
04/16/1991US5008092 Homogeneous powders of yttrium-stabilized quadratic zirconia
04/16/1991US5008053 Process for producing a ceramic product using sludge ashes
04/16/1991US5007475 Method for forming metal matrix composite bodies containing three-dimensionally interconnected co-matrices and products produced thereby
04/16/1991US5007474 Method of providing a gating means, and products produced thereby
04/16/1991CA1283226C Voltage non-linear resistor and method of producing the same
04/16/1991CA1282943C Fiber-reinforced ceramic and process therefor
04/16/1991CA1282939C Process for producing graphite
04/14/1991WO1991005737A1 Vanadium-based superconducting metallic oxides
04/14/1991CA2067155A1 Vanadium-based superconducting metallic oxides
04/13/1991CA2021607A1 Diamond compacts for rock drilling and machining
04/11/1991DE4028720A1 Ceramic honeycomb body useful as catalyst in IC. engines - comprises materials of high electric constant and is fitted with microwave radiator
04/11/1991DE3932803A1 Pyrolysis of organic material - contg. boric acid-boron oxide, and melamine, dicyandiamide, cyanamide, and/or urea
04/10/1991EP0421418A2 Method for preparing a ceramic-forming prepreg tape
04/10/1991EP0421391A1 Production process for machinable ceramics
04/10/1991EP0421314A1 Carbide products and method and apparatus for their production
04/10/1991EP0421077A1 Zirconium dioxide powder, process for its preparation, its use and sintered bodies prepared therefrom
04/10/1991EP0421076A1 Zirconium dioxide powder, process for its preparation, its use and sintered bodies prepared therefrom
04/10/1991CN1050641A Method for increasing magnetic performance of strontium ferrite by adding primary element in twice
04/10/1991CN1050640A Preparation method for oxide superconductive material
04/09/1991US5006957 Semiconductor porcelain substrate, dielectric porcelain substrate and capacitor employing the composition
04/09/1991US5006956 Capacitors
04/09/1991US5006955 Solid dielectric capacitor and method of manufacture
04/09/1991US5006954 Solid dielectric capacitor and method of manufacture
04/09/1991US5006504 Agitation to prevent segregation; homogeneity
04/09/1991US5006494 Stabilized bismuth oxide
04/09/1991US5006493 Novel ceramic binder comprising poly(ethyloxazoline)
04/09/1991US5006492 Preceramic compositions and ceramic products
04/09/1991US5006491 Process for production of nitride ceramic shapes
04/09/1991US5006490 Method for the formation of refractory products from and disposal of asbestos
04/09/1991US5006392 After sintering; coating with resin while in mold
04/09/1991US5006318 Size and morphology is controlled by solvothermal process
04/09/1991US5006290 From aluminum, or alloy thereof, silica, and carbon
04/09/1991US5006248 Titanium and zirconium oxides, sol-gel process
04/07/1991CA2027019A1 Process for making mba cu o superconductors
04/06/1991CA2026944A1 Ceramic welding process and lance for use in such process
04/04/1991WO1991004586A1 Piezoelectric ceramic composition for actuator
04/04/1991WO1991004582A1 Process for making superconducting shaped articles
04/04/1991WO1991004234A1 In situ production of silicon carbide reinforced ceramic composites
04/04/1991WO1991004231A1 Ceramic mold for molding glass member
04/04/1991CA2065160A1 In situ production of silicon carbide reinforced ceramic composites
04/04/1991CA2026699A1 Production process of machinable ceramics
04/03/1991EP0420714A1 Process for the production of silicon nitride silicon carbide composite material
04/03/1991EP0420712A1 Zinc oxide based composition for varistors for low and medium voltage
04/03/1991EP0420565A2 A method of forming a crystalline metal-oxide body
04/03/1991EP0420284A2 Preparation of zirconia sintered body
04/03/1991EP0420187A2 Method for forming a ceramic film