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7053016 Ceramic porous body and method of manufacturing glass usable as binder therefor  
A ceramic porous body is provided which uses a binder made of a glass that has excellent acid resistance and alkali resistance and which can be used for a long period of time as a filtration...
6833337 Method for fabricating shaped monolithic ceramics and ceramic composites through displacive compensation of porosity, and ceramics and composites made thereby  
The present invention is a method for fabricating shaped monolithic ceramics and ceramic composites, and the ceramics and composites made thereby. The method of the present invention includes three...
6818579 Granular ceramic material with high porosity  
A ceramic material, includes SiO 2 and Na 2 O and/or K 2 O. The material is characterized by a porosity of over 60% and by pores, more than 70% of which have a pore size ranging between 0.1 and 15...
6811602 Process for preparing silicate porous product  
A process for preparing a silicate porous product, which comprises a step of forming a clay mineral into a dispersion by means of a dispersant, a step of removing gases dissolved in the dispersion,...
6777361 Ceramic composite  
A ceramic composite material, for example, a ceramic molded body or a layer obtained by pyrolysis of a starting mixture, containing at least one polymer precursor material and at least one filler,...
6664205 Porous, sound-absorbing ceramic moldings and method for production thereof  
The present invention is a porous sound-absorbing ceramic form made of a porous ceramic material with communicating pores and having a bulk specific gravity of 0.5 to 1.0. The porous ceramic...
6620749 Light-weight black ceramic insulation  
Ultra-high temperature, light-weight, black ceramic insulation having a density ranging from about 0.12 g/cc. to 0.6 g/cc. such as ceramic tile is obtained by pyrolyzing siloxane gels derived from...
6620458 Method to produce alumina aerogels having porosities greater than 80 percent  
A two-step method for producing monolithic alumina aerogels having porosities of greater than 80 percent. Very strong, very low density alumina aerogel monoliths are prepared using the two-step...
6602449 Method of producing ceramic foams  
A method of producing ceramic foam wherein a precursor including an AlCl 3 (Pr i 2 O) complex is decomposed to form a mixture of a polymerizing species and liquid isopropyl chloride and the...
6541108 Process for the preparation, preferably from waste materials, of silicate foam with closed pores, and the product produced by the process  
The process of the invention characterized in that to 100 parts by weight of a silicate powder having 2000-8000 m 2 /g specific surface, 1-10 parts by weight of gas-forming material with particle...
6399528 Porous aluminum oxide structures and processes for their production  
The present invention relates to a porous aluminum oxide structure comprising Al 2 O 3 and Zr, the structure having an open porosity greater than about 30% and an average pore size from about 20...
6339034 Light-weight ceramic insulation  
Ultra-high temperature, light-weight, ceramic insulation such as ceramic tile is obtained by pyrolyzing a siloxane gel derived from the reaction of at least one organo dialkoxy silane and at least...
6331496 High performance ceramic matrix composite  
The composite includes inorganic fiber for reinforcement and a matrix of 40 to 95% by weight of silicon carbide ceramic and 5 to 60% by weight of an oxide phase dispersed in the silicon carbide...
6284688 Refractory compositions  
Substantially dry, self-hardening, thermally activated refractory compositions, suitable for use to produce linings for furnaces or metallurgical vessels such as ladles, tundishes or launders,...
6251819 Silicon carbide foam with high specific surface area and improved mechanical properties  
Silicon carbide foam useful as a catalyst support has a BET specific surface area of at least 5 m 2 /g, and a compression strength exceeding 0.2 MPa. The foam is prepared by impreganting an...
5962352 Method for fabricating porous composite oxide  
A method for fabricating a porous composite oxide is provided. The method includes the steps of: (a) slowly mixing a solution including a silicon oxide source and a solution including an aluminum...
5958831 SiC foam catalyst carrier with a reinforced skin and corresponding catalytic systems  
SiC foam-based catalyst carrier in the form of a moulded part having walls reinforced with a SiC skin having mechanical characteristics higher than those of the foam, this skin allowing the carrier...
5958363 Method for making monolithic metal oxide aerogels  
Transparent, monolithic metal oxide aerogels of varying densities are produced using a method in which a metal alkoxide solution and a catalyst solution are prepared separately and reacted. The...
5849055 Process for producing inorganic microspheres  
A process for producing inorganic microspheres (solid spheres or hollow spheres), which comprises pulverizing a material by wet pulverization to an average particle size of at most 5 μm to obtain...
5833728 Method for the preparation of vitreous hollow microspheres  
Provided is a method for the efficient preparation of fine hollow spherical glassy bodies having a high strength and excellent whiteness from a volcanic vitreous deposit as the starting material....
5827457 Method for manufacturing a lightweight ceramic foamed substance  
A method for manufacturing a lightweight foamed ceramic body from components comprising: (a) at least one expandable volcanic mineral; (b) at least one alkaline earth metal oxide, hydroxide, or...
5772735 Supported inorganic membranes  
Supported inorganic membranes capable of molecular sieving, and methods for their production, are provided. The subject membranes exhibit high flux and high selectivity. The subject membranes are...
5759932 Coating composition for metal-based substrates, and related processes  
An improved thermal barrier coating for metal substrates such as superalloys is provided. The coating is a slurry composition, comprising spheres of zirconia, at least some of which are hollow,...
5705448 Production of porous articles  
A gas generating substance is added to an aqueous dispersion containing refractory particles and a polymerizable monomer and the pressure and/or temperature are adjusted so that the substance...
5674792 Shaped body having a high silicon dioxide content and a process for producing such shaped bodies  
A shaped body of amorphous silicon dioxide, which has a chemical purity of at least 99.9% and a cristobalite content of at most 1% and which is impermeable to gas, is known. To provide shaped...
5614255 Method for the preparation of vitreous hollow microspheres  
Proposed is an efficient method for the preparation of vitreous hollow microspheres from particles of a vitreous volcanic deposit by a heat treatment to effect expansion of the particles by...
5563106 Porous Articles  
A method of making a porous refractory article and a dispersion of particles in a liquid carrier, the method involving forming a dispersion of particles in a liquid carrier, introducing gas into...
5503931 Moisture absorbing material and methods of production  
An improved moisture absorbing amorphous silicate material formed by the steps of: parboiling rice under 22 psi and at a temperature above 212 degrees F. to force bran into the rice grain and...
5441919 Ceramic foams  
Ceramic foams in which the open cells are connected by a three-dimensional, substantially continuous ceramic matrix formed of interconnected hollow ligaments, are made from an open-cell,...
5395805 Method for making monolithic metal oxide aerogels  
Transparent, monolithic metal oxide aerogels of varying densities are produced using a method in which a metal alkoxide solution and a catalyst solution are prepared separately and reacted. The...
5358910 Porous silicon carbide ceramics using filled polysiloxanes  
The preparation of porous ceramic bodies by sintering certain curable organopolysiloxanes filled with silicon carbide powders. This process is advantageous in that the green bodies have relative...
5340514 Method for preparing pottery products containing shirasu balloons  
The present invention relates to a process of using shirasu balloon powder as a material to manufacture pottery products where; white pottery products of light weight, highly white coloring,...
5336645 Soluble, cellulated mold and foamable mixture  
A soluble thermally cellulated, ceramic mold member, having gas evolved cells dispersed in a soluble crystalline matrix, the matrix consisting predominantly of at least one crystal phase selected...
5242494 Foamable compositions  
This invention relates to a foamable silicate composition comprising (a) one or more alkali metal silicates, (b) a blowing agent, (c) a hardener which can be an acetate or a formate ester of a...
5229046 Process for producing thermal shock-resistant silicon nitride sintered material  
There is provided a thermal shock-resistant silicon nitride sintered material including silicon nitride and rare earth element compounds, which material contains at least 10 pore groups per mm 2 ,...
5219829 Process and apparatus for the preparation of pulverulent metal oxides for ceramic compositions  
The invention relates to a process and an apparatus for converting metal nitrate or mixed metal nitrate solutions into the corresponding metal oxides in a microwave field. The invention consists in...
5208193 Ceramic composites with improved thermal shock resistance  
A high density, shock resistant ceramic comprising from 1 to about 4 mols of a a dense spinel ceramic matrix having dispersed therein, 1.5 to 1, respectively, of a metal oxide derived from a...
5203936 Clean burning green ceramic tape cast system using polyisobutylene binder  
Green ceramic formulations comprising a polyisobutylene binder are suitable for tape casting and can be effectively removed during thermal processing in reducing atmospheres. The binder may be...
5194407 Molten metal-resistant ceramic fiber-containing composition  
A method of manufacturing a molten metal-resisting ceramic fiber composition includes mixing ceramic fibers, a frit, ceramic additives, a low temperature binder, and water. The mixture is formed...
5185297 Ceramic foams  
Ceramic foams in which the open cells are connected by a three-dimensional, substantially continuous ceramic matrix formed of interconnected hollow ligaments, are made from an open-cell,...
5143636 Controlled-porosity piezoelectric ceramic  
The invention is a process to manufacture a controlled-porosity ceramic material by synthesizing an aerogel produced by hypercritical drying of a high-porosity gel. Applications in the submarine...
5118644 Thermal shock-resistant silicon nitride sintered material  
There is provided a thermal shock-resistant silicon nitride sintered material consisting substantially of silicon nitride and rare earth element compounds, which material contains at least 10 pore...
5077241 Sol gel-derived ceramic bubbles  
Discrete, free-flowing, ceramic microbubbles consist essentially of at least one of a non-oxide component and an oxide component having diameters in the range of 1 to 300 micrometers and each...
5061660 Ceramic foams  
Ceramic foams in which the open cells are connected by a three-dimensional, substantially continuous ceramic matrix formed of interconnected hollow ligaments, are made from an open-cell,...
5045511 Ceramic bodies formed from yttria stabilized zirconia-alumina  
Ceramic bodies suitable for use in the filtration of molten metal are formed by immersing a porous organic substrate material in an aqueous thixotropic slurry containing yttria, zirconia and...
5039340 Ceramic foam and a process for forming the same  
The present invention relates to a ceramic foam material, preferably a ceramic foam filter, prepared by providing an open cell flexible foam having a plurality of interconnected voids surrounded by...
5017523 Method for the preparation of ultra-fine hollow glass spheres  
Ultra-fine hollow glass spheres suitable as a filler in light-weight composite materials for building use and the like can be prepared from a fine powder of volcanic glass even when the starting...
4978642 Rigid, water-resistant phosphate ceramic materials having acoustic channeling and processes for preparing them  
This invention relates to a rigid, water-resistant phosphate ceramic product having improved acoustical properties; the components used to prepare the product; and its process of manufacture.
RE33366 Rigid, water-resistant phosphate ceramic materials and process for preparing them  
The present invention concerns rigid, water-resistant phosphate ceramic materials which may be prepared from components comprising metal oxide, calcium silicate, and phosphoric acid. By prereacting...
4888033 Method of manufacturing permeable mineral membranes  
The invention relates to a method of manufacturing permeable mineral membranes. The method of the invention is characterized in that a thin layer of gel of peptised hydroxide of at least aluminum...
Matches 1 - 50 out of 132 1 2 3 >