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)
12/1981
12/08/1981US4304870 Ablative-resistant dielectric ceramic articles
12/08/1981US4304605 High temperature resistant coating composition
12/08/1981US4304576 Metal cutting
12/08/1981CA1113970A1 Ceramic composite material for producing porous surface layers of implantable bone and teeth substitutes
12/08/1981CA1113727A1 Bauxite-zirconia abrasive and products containing same
12/02/1981EP0040881A2 Voltage-dependent resistor and method of manufacturing it
12/01/1981US4303737 Flame spraying coated glass particles onto gas turbine engine as thermal barrier
12/01/1981US4303449 Glass forming compound and brick made therewith
12/01/1981US4303448 Olivine refractory bricks for heat storage applications
12/01/1981US4303447 Low temperature densification of zirconia ceramics
12/01/1981CA1113512A1 Thermal spray powdered composite
12/01/1981CA1113427A1 Silicon carbide-valve metal borides-carbon electrodes
12/01/1981CA1113239A1 Air-carbon arc cutting and gouging electrode compositions
11/1981
11/26/1981WO1981003326A1 Method for the manufacture of phosphatic ceramic bodies
11/25/1981EP0040499A1 Polycrystalline translucent alumina sintered body, a method of producing the same, and a high pressure vapour discharge lamp obtained by using such a sintered body
11/25/1981EP0040391A2 Ceramic PTC resistor material
11/25/1981EP0006886B1 Extrahard material of hexagonal structure based on metal carbides, a method for its preparation and its use as a catalyst or for sintered carbide products
11/24/1981US4302519 Sagger with friction-reducing spheres, rotation
11/24/1981US4302372 Super-fine powders
11/18/1981EP0040118A2 Ferrimagnetic material having a high thermal stability and a weak line width of gyroresonance for use at very high frequences
11/18/1981EP0039774A1 Refractory structure and process for making it
11/18/1981EP0039773A1 Method of producing barium-ferrite series powder
11/17/1981US4301222 Made by carbonization of a molded graphite-phenolic resin
11/17/1981US4301214 Low thermal expansion ceramic and process
11/17/1981US4301132 Having portions differing in free silicon content
11/17/1981US4301042 Bismuth-strontium-rhodate
11/17/1981US4301026 Metal salts of boric acid esters of saccharides
11/17/1981US4301020 Process of slurrying and spray drying ceramic oxides with polyethyleneimine dispersants
11/17/1981US4300953 Ceramics of oxides of silicon, aluminum, manganese, and magnesium
11/17/1981CA1112673A1 Process for the production of molded refractory articles
11/17/1981CA1112438A1 Oxygen sensors
11/17/1981CA1112430A1 Abrasive casting apparatus and process
11/11/1981EP0039352A1 Ceramic compositions
11/10/1981US4299881 Graphitic molded article with corrosion-resistant surface layer stable under stress
11/10/1981US4299638 Method of bonding silicon ceramic members
11/10/1981US4299631 Silicon carbide bodies and their production
11/10/1981CA1112254A1 Composition and process for injection molding ceramic materials
11/04/1981EP0038891A1 Process for the production of magnesium oxide from brine or bittern
11/03/1981US4298561 Steam-pressure curing an aqueous filter slurry of calcium silicate hydrate to tobermorite or xonotlite
11/03/1981US4298559 High yield silicon carbide from alkylated or arylated pre-ceramic polymers
11/03/1981US4298558 High yield silicon carbide pre-ceramic polymers
11/03/1981US4298495 Countercurrent hydrogen gas flow through material in carbon crucible which reacts with water product
11/03/1981US4298391 Hot repair gun refractory mix for a lining refractory
11/03/1981US4298387 Agglomerated mixtures of highly dispersed metal oxides and opacifiers
11/03/1981US4298386 Spherical crystals of wollastonite providing lightweight and high-strength shaped bodies
11/03/1981US4298385 High-strength ceramic bodies
11/03/1981CA1111721A1 Method for the currentless catalytic precipitation of aluminum
10/1981
10/29/1981WO1981003036A1 Sodalite photo and/or cathode-chromium material,method of producing it and sensitive element of a variable light transmission device made of that material
10/28/1981EP0038632A2 Process for producing carbonitrides of metal
10/27/1981US4297387 By vapor deposition using ammonia gas and an alloy containing boron and aluminum
10/27/1981US4297309 Process of using and products from fume amorphous silica particulates
10/27/1981US4297307 Unidirectional fiber positioning by extrusion of a gelled mixture of fibers, water, and a binder-thickener
10/27/1981US4297246 Wherein said refractory oxide is ceria, zirconia, or titania
10/27/1981US4297143 Dopes of oxides of zirconium, iron, and titanium; vaporization and combustion of the chlorides; insulation
10/27/1981US4297140 Made from cordierite grog, a ceramic base material and a foaming agent
10/27/1981US4296608 Cryogenic ceramic and apparatus
10/27/1981US4296607 Cryogenic ceramic and apparatus
10/27/1981EP0029851A4 Method of making carbon composite article.
10/21/1981EP0038044A1 Grain boundary layer dielectric ceramic compositions
10/21/1981EP0037868A1 Method of producing low-expansion ceramic materials
10/21/1981EP0037859A1 Sintered cold-conductor material and process for its production
10/21/1981EP0037837A1 Metal-bound diamond sintered article
10/20/1981US4296177 Flexible graphite sheet, material or layer containing metal molybdate
10/20/1981US4296065 Injection molding, and sintering carbides, nitrides or oxides
10/20/1981US4296057 Method of making alumina fibers
10/20/1981US4295892 Cordierite ceramic honeycomb and a method for producing the same
10/20/1981US4295890 Containing boron or boron carbide
10/20/1981CA1110829A1 Conversion of nitrogen oxides
10/14/1981EP0037591A1 Phenoxy-pyrimidinyl alkanols, process for their preparation and their use as fungicides
10/14/1981EP0037577A1 Nonlinear resistor and process for producing the same
10/14/1981EP0037546A1 Process for the preparation of dust-free and fluid-like lead-containing compounds
10/13/1981US4294795 Fusion, molding, cutting
10/13/1981US4294788 Vacuum molding, infiltration
10/13/1981US4294618 Silica-doped, chrome-alumina monolithic refractory compositions
10/13/1981US4294431 Method of providing and maintaining a wear-lining of a steel converter and a steel converter having such a lining
10/07/1981EP0037306A2 Process and apparatus for the accelerated densification of a porous carbonaceous substrate by decomposition of a hydrocarbonaceous substance at high temperature and high pressure, and method for the preparation of the said substance
10/07/1981EP0037249A1 Sintered ceramic body and process for production thereof
10/07/1981EP0037236A1 Ceramic recuperative heat exchanger and a method for producing the same
10/07/1981EP0037165A1 Refractory gun mix
10/07/1981EP0037104A2 Clutch with pyrolytic carbon friction material
10/06/1981US4293619 Silicon-nitride and metal composite
10/06/1981US4293618 Sintered body for use in a cutting tool and the method for producing the same
10/06/1981US4293533 Method for producing solid carbon material having high flexural strength
10/06/1981US4293514 Method of producing honeycomb structural bodies consisting of barium titanate series ceramics having a positive temperature coefficient of electric resistance
10/06/1981US4293513 Method of making honeycomb structures
10/06/1981US4293512 Carbiding silicon, zirconium
10/06/1981US4293507 Preparation of shaped bodies
10/06/1981US4293450 Process for conducting electricity utilizing a specifically defined graphite intercalation compound
10/06/1981CA1110325A1 Voltage limiting composition and method of fabricating the same
10/06/1981CA1110279A1 Heat-resistant sealing materials
10/06/1981CA1110045A2 Process for preparing ceramic bodies
10/01/1981WO1981002755A1 Process for manufacturing boron nitride fiber mats
10/01/1981WO1981002734A1 Process for manufacturing boron nitride fiber mats using a needler
10/01/1981WO1981002733A1 Process for manufacturing boron nitride fiber batts using a spinner
09/1981
09/30/1981EP0036786A1 Zirconia ceramics and a method of producing the same
09/30/1981EP0036748A1 Method of operating a continuous ceramic kiln
09/30/1981EP0036601A2 Double-layer capacitor
09/30/1981EP0036462A1 A honeycomb structure for use as a catalyst support for automobile exhaust
09/29/1981US4292084 A thixotropic mixture of kaolin, refractory, and phosphoric acid; casting
09/29/1981US4292083 High temperature, low expansion, corrosion resistant ceramic and gas turbine