Matches 351 - 400 out of 596 < 1 2 3 4 5 6 7 8 9 10 11 12 >
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4988362 Composition for coating bioceramics, method for coating bioceramics therewith, and composite bioceramics produced therewith  
A composition produced as a result of mixing alumina, silica, and a calcium phosphate compound in a specific ratio exhibits high affinity for bioceramics. When a bioceramic is coated with this...
4980024 Antiskid paper with enhanced friction retention  
Superiority in retained slide angle of antiskid paper is achieved by spraying the paper with a composition of matter consisting essentially of an acrylamide, glycerine, balance antiskid aqueous...
4978556 Electrode for vapor deposition and vapor-deposition method using same  
Thermal breakage of crystalline electrodes used in arc-vapor deposition is prevented by originally fabricating the electrodes from broken pieces of the crystalline material which are slightly...
4976899 Process for the production of a composite material with matrix and reinforcing fibers of carbon  
A process for the production of a composite material with matrix and reinforcing fibers of carbon. The process comprises: (a) forming a porous substrate (2) of carbon fibers; (b) covering the...
4973526 Method of forming ceramic coatings and resulting articles  
The present invention relates to a method of forming a ceramic or ceramic-like coating on a substrate, especially electronic devices, as well as the substrate coated thereby. The method comprises...
4971834 Process for preparing precursor for silicon carbide whiskers  
Precursor suitable for conversion into silicon carbide product containing a substantial amount of silicon carbide whiskers is preferably prepared by impregnating activated carbon particles (through...
4970097 Method for forming abrasion resistant coating on fibrous glass substrate  
Fibrous glass substrates are coated with a substantially unhydrolyzed, hydrolyzable mixture of a silicon alkoxide and a titanium alkoxide and the coating is then hydrolyzed and cured. This provides...
4933206 UV-vis characteristic writing in silicon nitride and oxynitride films  
ArF excimer laser process is used to selectively dehydrogenate patterns on heavily hydrogenated silicon nitride and silicon oxynitride thin films. Excitation at 193 nm with a repetition rate of 100...
4933202 Method of improving the adhesion of plastics to metals in dental prostheses  
In a process for improving the adhesion of plastics to metals in the production of dental prostheses, in which a silicon dioxide layer is applied to the metal surface and subsequently silanized and...
4931318 Silica as blocking agent for fiberglass sizing  
Colloidal silica prevents the interaction of cationic softeners and water-soluble polymers which are present in the manufacture of fiberglass mats.
4927673 Rapid technique for making improved laminar ceramic shell molds using a phosphate modified aluminum salt binder  
A process for rapidly forming a laminar ceramic shell mold on a supporting structure comprising alternately, in either order, the steps of: (1) dipping the support structure into a bath comprising...
4921731 Deposition of ceramic coatings using sol-gel processing with application of a thermal gradient  
A method of ceramic coating a substrate by thermodeposition from a sol made by hydrolyzing and peptizing organometallic compounds in water. The sol contains colloidal particles having a size...
4917873 Process and apparatus for cleaning hot gases  
In order to clean gases containing noxious components by contacting the gases with a solid material layer adhering to carrier bodies, the solid material layer is applied to the carrier body by...
4911992 Platinum or rhodium catalyzed multilayer ceramic coatings from hydrogen silsesquioxane resin and metal oxides  
This invention relates to materials produced by diluting in a solvent a platinum or rhodium catalyzed preceramic mixture of a hydrogen silsesquioxane resin and a metal oxide precursor selected from...
4911781 VLS Fiber growth process  
A method for preparing substrates for VLS fiber producing reactions and a method for preparing SiC fibers by the VLS process. The first method includes the steps of forming an alcohol sol...
4911775 Method of manufacturing dehumidifier element  
A dehumidifier element is produced by alternately laminating corrugated paper and flat liner paper, both papers being of low density and composed of inorganic fiber such as ceramic fiber, to form a...
4904503 Rapid setting cementitious fireproofing compositions and method of spray applying same  
A method is provided whereby the setting time of a spray applied hydraulic cement-based fireproofing composition is decreased substantially while improving the yield of the composition. An acidic...
4895825 High-porosity silicocalcareous mass for storing of gas, and production process  
A silicocalcareous mass obtained from an aqueous paste with a base of natural silica and quicklime. The mass is at least doubly stabilized by two mineral suspending agents, and reinforced by a...
4888311 Ceramic-ceramic composite material and production method  
A composite ceramic-ceramic material is disclosed having a fibrous reinforcing ceramic and a ceramic matrix made of a geopolymeric compound containing: (a) a poly(sialate) geopolymer M n ...
4888142 Process for producing β-form Si.sub.3 N.sub.4  
Disclosed is a process for producing β-form Si 3 N 4 comprising firing amorphous or α-form Si 3 N 4 of high chemical purity in a non-oxidizing atmosphere under an elevated pressure at a...
4885186 Method for preparation of silicate glasses of controlled index of refraction  
A method for the preparation of silicate glasses of controlled index of refraction involves the thermal and/or plasma processing of organo-silicon polymers. Compositions so treated evidence a...
4842901 Coating solution and process for producing glassy layers  
A coating solution for producing glassy layers on a substrate comprises a silicic acid ester, an aliphatic alcohol as a solvent, an acid in a catalytically active quantity, and water. The alcohol...
4842888 Ceramic coatings from the pyrolysis in ammonia of mixtures of silicate esters and other metal oxide precursors  
Hydrolyzed or partially hydrolyzed mixtures of silicate esters and metal oxide precursors, are pyrolyzed at relatively low temperature in the presence of ammonia to form ceramic coatings on...
4833025 Method for applying a refractory layer on a surface and the layer produced thereby  
A process for applying an insulating bonded refractory fiber layer to a substrate such that the bonded refractory fiber will not delaminate form the substrate it is adhered to during thermal...
4822677 High-temperature carbon fiber coil  
A coil comprising a carbon filament winding with fused particulate insulative coating therearound and method of producing such carbon filament coil.
4810590 Poly(arylene sulfide) encapsulation process and article  
The surface smoothness and adhesion to metal of poly(arylene sulfide) is improved by the addition of an effective amount of a silica composition.
4810532 Boron-silicon-hydrogen alloy films  
Hydrogenated boron-silicon alloy films having unexpected properties permitting in one embodiment the bonding together of metal and ceramic substrates by coating the surfaces to be bonded with the...
4804731 Method for crosslinking of polysilastyrene  
Crosslinking polysilastyrene by mixing polysilastyrene with 2-15 weight % dicumyl peroxide and heating at 80° C. to 500° C. for 5 minutes to 5 days to produce crosslinking.
4804563 Method and apparatus for the spray placing of concrete layers  
A spray concrete composition which is sprayed with driving-air pressure has its setting time accelerated by incorporation in the driving air of amorphous silica dust having an inner surface...
4804562 Method for repairing ceramic casting cores  
Defects in green, unsintered ceramic casting cores which contain a thermoplastic binder are repaired according to this invention. In a preferred embodiment, a mixture of a volatilizable solvent and...
4791008 Coating compositions and method for improving the properties of coated substrates  
An acidic aqueous coating composition comprising dissolved phosphate, dissolved aluminum, dissolved dichromate, inorganic colloidal particles and a water miscible organic component including an...
4789563 Sol gel formation of polysilicate, titania, and alumina interlayers for enhanced adhesion of metal films on substrates  
A metal-coated substrate, e.g., of glass, ceramic, or a hydroxy-functionalized material, wherein the improvement comprises a polysilicate, titania, or alumina interlayer between the substrate and...
4780372 Silicon nitride protective coatings for silvered glass mirrors  
A protective diffusion barrier for metalized mirror structures is provided by a layer or coating of silicon nitride which is a very dense, transparent, dielectric material that is impervious to...
4775549 Method of producing a substrate structure for a large size display panel and an apparatus for producing the substrate structure  
A method of producing a substrate structure for a large size display panel. The method involves conveying a transparent substrate from a transparent substrate storage means in a conveying path...
4762728 Low temperature plasma nitridation process and applications of nitride films formed thereby  
A silicon nitride layer is prepared on the surface of a silicon substrate by carrying out a surface reaction on the substrate in a vacuum chamber that contains an electrode which is capacitively...
4756977 Multilayer ceramics from hydrogen silsesquioxane  
This invention relates to materials produced by diluting in a solvent a hydrogen silsesquioxane resin solvent solution which is applied to a substrate and ceramified by heating. One or more ceramic...
4749631 Multilayer ceramics from silicate esters  
This invention relates to materials produced by diluting in a solvent a preceramic mixture of a partially hydrolyzed silicate ester which is applied to a substrate and ceramified by heating. One or...
4749598 Poly(arylene sulfide) composition and process  
The surface smoothness and adhesion to metal of poly(arylene sulfide) is improved by the addition of an effective amount of a silica composition.
4737476 Composite by infiltration  
A composite comprised of a continuous matrix phase having a ceramic filler phase distributed therein is produced by shaping a mixture of ceramic filler and a solid constituent of the matrix into a...
4732782 Methods for applying no mix cements  
Dry cementitious compositions and methods for their application. The dry compositions do not have to be mixed with water but instead are poured, sprayed or troweled onto a substrate which contains...
4732781 Methods for applying no mix cements  
Dry cementitious compositions and methods for their application. The dry compositions do not have to be mixed with water but instead are poured, sprayed or troweled onto a substrate which contains...
4725501 Primer for adherence to plastic substrates  
A silicate/titanate copolymer is disclosed for use as a primer in adhering rigid polymer substrates to elastomeric interlayers or inorganic coatings.
4721587 Process of making heat-strengthened yarn  
Application of hydrophobic silica to an anisotropic-melt forming polyester yarn reduces interfilament and intrafilament fusion during heat-strengthening. Improvements in adhesion of yarn to certain...
4712290 Textile and method of manufacture  
Yarn to be utilized for the manufacture of pre-softened fabric is stiffened without the use of binding agents. Only corn starch and low temperature wax are utilized as stiffeners. Fabric...
4708890 Method for preventing polymer scale deposition on the reactor walls in the polymerization of ethylenically unsaturated monomers  
The invention provides an efficient method for preventing polymer scale deposition on the reactor walls in the suspension or emulsion polymerization of an ethylenically unsaturated monomer, e.g....
4708889 Glass repair of hermetic packages  
A method for repairing fine leaks in the envelope of hermetically sealed packages is accomplished by using a liquid silicate and solvent mixture which is liquid well below the melting point of...
4704299 Process for low temperature curing of sol-gel thin films  
A process for curing and densifying a sol-gel derived inorganic thin film at lower temperatures (between 10° C. and 400° C.) by applying the films to a substrate, drying the film at a low...
4702960 Surface treatment for carbon and product  
The invention relates to a surface treatment for a carbon surface. A carbon-rich silicon carbide layer is applied over the carbon surface. The ratio of silicon to carbon in the carbon-rich layer...
4701345 Process for applying polymeric coatings, and resulting coated articles  
An improved process for coating an inert substrate, such as braided glass fiber sleeving and inert substrates of other materials and shapes, wiht a polymeric material such as a polyacrylate, a...
4695478 Gray body colored zinc sulfide activated with copper  
A catholuminescent material consisting essentially of particles of copper-activated zinc sulfide cathodoluminescent phosphor having at least a partial coating of a mixture of a blue pigment of...
Matches 351 - 400 out of 596 < 1 2 3 4 5 6 7 8 9 10 11 12 >