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5618875 |
High performance carbon filament structures
Disclosed are novel high performance composite structures comprised of carbon filaments in a matrix selected from the group consisting of polymeric materials, carbon, ceramic materials, and metals....
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5591312 |
Process for making fullerene fibers
This invention provides a method and apparatus for producing fullerene fibers by establishing an electric field between a needle electrode and an opposing electrode in the presence of carbon and a...
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5427054 |
Method of making a diamond film
A process of forming high quality diamond films, wherein non-diamond components and crystal defects are significantly reduced. Diamond films are formed on a diamond substrate by vapor-phase...
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5424054 |
Carbon fibers and method for their production
The present invention relates to hollow carbon fibers having a cylindrical wall comprising a single layer of carbon atoms and a process for the production of these fibers.
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5413773 |
Method for forming carbon filters
In a preferred embodiment, an apparatus and method for forming carbon fibers in a gas phase reaction is disclosed wherein a reactor defines a reaction chamber with a closed end and an outlet and a...
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5374415 |
Method for forming carbon fibers
In a preferred embodiment, an apparatus and method for forming carbon fibers in a gas phase reaction is disclosed wherein a reactor defines a reaction chamber with a closed end and an outlet, and a...
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5227142 |
Production apparatus for vapor-grown fine fibers
Production apparatus for vapor-grown fine fibers, comprising a vertical furnace and a horizontal furnace intersecting each other in an L-shaped configuration. Raw material and catalyst and carrier...
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5210116 |
Resin composite material containing graphite fiber
Provided herein is a resin composite material containing graphite fiber which has good electrical conductivity and changes only a little in electrical resistance after processing. These desired...
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5171560 |
Carbon fibrils, method for producing same, and encapsulated catalyst
A process for preparing carbon fibrils using discrete, unfused, metal-containing catalytic particles encapsulated in non-graphitic carbon, a carbide, or an organic polymer.
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5165909 |
Carbon fibrils and method for producing same
The invention relates to carbon fibrils characterized by a substantially constant diameter, length greater than about 5 times the diameter, an ordered outer region of catalytically grown, multiple,...
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5106606 |
Fluorinated graphite fibers and method of manufacturing them
Fluorinated graphite fibers comprising an intercalated compound of graphite fibers, having a three-dimensional crystal structure in which carbon hexagonal network faces are substantially in...
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5102647 |
Method of producing vapor growth carbon fibers
A method of producing vapor growth carbon fibers which are grown in a rection space by thermally decomposing gaseous hydrocarbon and by using transition metal fine particles as the catalyst,...
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5039504 |
Process for producing graphite whiskers
There is provided a process for producing graphite whiskers by supplying a carbon source compound with a carrier gas into a heating zone in a reactor and decomposing the carbon source compound in a...
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5024818 |
Apparatus for forming carbon fibers
In a preferred embodiment, an apparatus for forming carbon fibers in a continuous gas phase reaction is disclosed wherein a reactor defines a vertical reaction chamber with a close upper end and a...
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5010829 |
Method and apparatus for treatment of hazardous waste in absence of oxygen
Hazardous waste treatment method and apparatus are disclosed in the preferred and illustrated embodiment. A feedstock of solid or liquid hazardous waste material is combusted in a plasma generator...
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4970123 |
Isotropically reinforced net-shape microcomposites
A novel isotropically reinforced microcomposite is described. An entirely fluid-phase method has been devised for producing the net-shape filamentary structures. The process depends for its success...
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4923637 |
High conductivity carbon fiber
To obtain stable and high conductivity carbon fiber, hydrocarbon is thermodecomposed in vapor phase into carbon fiber with such a crystal structure that carbon hexagonal net planes thereof are...
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4900483 |
Method of producing isotropically reinforced net-shape microcomposites
A novel isotropically reinforced microcomposite is described. An entirely fluid-phase method has been devised for producing the net-shape filamentary structures. The process depends for its success...
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4876078 |
Process for preparing carbon fibers in gas phase growth
An improved process for preparing carbon fibers in a gaseous phase reaction comprising introducing a gas mixture comprising at least one carbon compound, at least one inorganic transition metal...
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4855091 |
Method for the preparation of carbon filaments
A method of preparing carbon filaments which comprises exposing a suitable thermostable substrate which is covered with reduced monocrystalline metal particles with a diameter of at least 5...
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4816289 |
Process for production of a carbon filament
A carbon filament comprising carbon layers and having a carbon structure in which the carbon layers are arranged substantially in the form of growth rings as viewed in cross-section, said carbon...
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4808395 |
High-quality coloring carbon black and process for its production
High-quality coloring carbon black having a specific surface area (S BET ), an area average diameter (D a ) and a pore volume (AV Hg ) which make both the roughness factor (RF) and aggregate factor...
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4770867 |
Process for the production of carbon fibres which are vapor-deposited from methane
The invention concerns a process for the production of vapor-deposited carbon fibres wherein a gaseous or vaporized hydrocarbon which is entrained by a carrier gas is pyrolyzed on a substrate in a...
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4767737 |
Method for making carbonaceous materials
A fluidized bed disproportionation of carbon monoxide is effected using ferrous metal component-containing catalysts in particulate form. The bed also contains an abradant to continuously remove...
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4766013 |
Carbon composite article and method of making same
A composite structural ceramic article and method of fabrication thereof. The article of the invention is specifically designed for use in high temperature, corrosive and erosive environments such...
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4749557 |
Graphite fiber growth employing nuclei derived from iron pentacarbonyl
Submicron iron nuclei for growing graphite fibers by pyrolysis of a gaseous hydrocarbon compound, preferably methane, are formed by controlled decomposition of iron pentacarbonyl vapors.
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4664900 |
Electrically conductive compositions
An electrically conductive composition comprises 100 parts by weight of synthetic resin and/or rubber, 5 to 100 parts by weight of a conductivity-affording agent, and 1 to 100 parts by weight of...
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4572813 |
Process for preparing fine carbon fibers in a gaseous phase reaction
A process of preparing carbon fibers in a floating state by reacting a mixed gas consisted of a gas of organic metal compound or compounds, a carrier gas and desirably a gas of carbon compound or...
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4565684 |
Regulation of pyrolysis methane concentration in the manufacture of graphite fibers
In a preferred embodiment, graphite fibers are grown on a suitably nucleated ceramic surface by passing a methane gas stream over the surface at an elevated temperature. Initially, the methane...
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4565683 |
Production of carbon filaments
Disclosed is a method for producing carbon filaments by dissociating a carbon-containing gas at a temperature to about 800° C. in the presence of iron monoxide. The iron monoxide can be produced...
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4518575 |
Catalytic fibrous carbon
The production of microfibrous carbon by the catalytic pyrolysis of carbonaceous materials in the presence of metal containing catalysts is improved by the presence of a small quantity of a...
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4497788 |
Process for growing graphite fibers
In a preferred embodiment, graphite fibers are grown by natural gas pyrolysis on an iron-base metal surface initially bearing a relatively thick oxide.
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4491569 |
Ferric nitrate treatment for nucleating graphite fiber growth by methane pyrolysis
Graphite fibers are preferably grown by natural gas pyrolysis adjacent a stainless steel surface. Prior to said natural gas pyrolysis, the surface is pretreated by evaporating a ferric nitrate...
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4435375 |
Method for producing a carbon filament and derivatives thereof
A novel type of carbon filaments grow from a purified graphite material when the purified graphite material is heated in a plasma. The carbon filaments thus obtained can be converted into softer...
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4435376 |
Fibrous carbon production
The production of fibrous carbon from hydrocarbons can be improved by employing recycled hydrocarbons as carrier gases.
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4391787 |
Method for growing graphite fibers
In the preferred embodiment, graphite fibers that are 5 to 15 microns in diameter and up to several centimeters long are grown within a thin-walled stainless steel tube by flowing natural gas...
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4029829 |
Friction member
The invention provides a more economical carbon-fiber-reinforced carbon surfaced friction member, such as a brake disc, by replacing a disc which is of fiber-reinforced carbon throughout its...
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4014980 |
Method for manufacturing graphite whiskers using condensed polycyclic hydrocarbons
A method for manufacturing graphite whiskers which comprises: mixing one or more of gasified compounds having a condensed polycyclic structure of two to five benzene rings with a large amount of...
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3900540 |
Method for making a film of refractory material having bi-directional reinforcing properties
A thin film of substantially defect-free pyrolytic graphite, useful as a bi-directional reinforcing material, is formed by vapor deposition on an inert liquid substrate surface and separated...
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3811927 |
PROCESS FOR VAPOR DEPOSITION ON GLASSY-CARBON SUBSTRATE
Glassy-carbon monofilament containing additional sulfur in combined form, has "high-temperature creep" properties useful in the deposition of boron, boron carbide, silicon carbide, and pyrolytic...
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3715253 |
COMPOSITE MATERIALS
A method for making shaped pyrolytic graphite articles which comprises progressively positioning continuous carbon strand onto a shaped form and simultaneously pyrolyzing carbonaceous gas onto the...
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3531249 |
PYROLYTIC GRAPHITE FILAMENTS
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3378345 |
Process for producing pyrolytic graphite whiskers
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3375308 |
Method of making high purity and non-melting filaments
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3294880 |
Continuous method of manufacturing ablative and refractory materials
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2957756 |
Filamentary graphite and method for producing the same
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2796331 |
Process for making fibrous carbon
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3829327 |
Title is not available
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