|
Match
|
Document |
Document Title |
|
|
4975261 |
Process for producing high strength carbon-carbon composite
A process for producing a high density, high strength carbon-carbon composite which does not require high cost secondary reinforcement treatment. This process comprises impregnating an aggregate...
|
|
|
4968647 |
Fracture toughening of sintered diamond and carbide ceramics
High pressure sintered bodies of polycrystalline diamond or carbide ceramics are rendered more resistant to cracking by establishing dispersed, localized "stress centers" of submicron size...
|
|
|
4958998 |
Glasslike carbon composite material and method of preparing the same
The present invention provides a glasslike carbon composite material which has reduced surface friction and excellent wear resistance and durability, because of the addition of specific ultrafine...
|
|
|
4959281 |
Non aqueous electrolyte cell
An improved non-aqueous electrolyte cell is disclosed in which specific carbonaceous material is used as an anode. The carbonaceous material has interlayer spacing d 002 of not less than 3.70 A,...
|
|
|
4956259 |
Spherical electrophotographic toner particles comprising carbon and preparation thereof
A toner composition having particles substantially in the spherical form and comprises a binder resin and carbon black having a number-average particle size of 20 to 500 millimicrons and a standard...
|
|
|
4945014 |
Secondary battery
There is disclosed a secondary battery having a negative electrode composed of an active substance and a carrier carrying the active substance, which comprises (1) the active substance is...
|
|
|
4943365 |
Method for the production of modified pitches and the further application
Contrary to known alkylation of pitches, it is disclosed that pitches are modified with particular aromatically substituted and activated C 1 to C 4 alkyl groups. The resulting modified pitches...
|
|
|
4933314 |
Molecular sieving carbon
A molecular sieving carbon characterized by (A) having a structure in which a number of spherical carbonaceous particles having a particle diameter of 0.8 to 120 micrometers overlap and coalesce...
|
|
|
4932331 |
Novel single-bond carbon film and process for the production thereof
There is provided a novel single-bond carbonic film, matrix of which comprises carbon atoms and which is characterized by having a peak A at 1340±20 cm -1 and a peak B at 1580±10 cm -1 in Raman...
|
|
|
4931163 |
Pitch fluoride
A carbon fluoride comprising carbon atoms and fluorine atoms and having a structure in which layers containing fluorinated condensed cyclohexane rings are stacked to form a packing structure, the...
|
|
|
4921559 |
Process of making an acoustic carbon diaphragm
A process for producing a diaphragm for an acoustic device of carbonaceous materials which has the steps of mixing and kneading an organic mixture composition containing one or more or mixtures of...
|
|
|
4921687 |
Method of making high-orientation sheet-like graphite by using laminar compound
A method making high-orientation sheet-like graphite by inserting monomer of high molecular compound between layers of laminar compound such as montmorillonite, polymerizing the monomer,...
|
|
|
4919859 |
Process of making an acoustic carbon diaphragm
A process for producing an acoustic diaphragm of carbonaceous material including the steps of impregnating nonwoven fabric or woven fabric of carbon fiber having a high degree of elasticity with a...
|
|
|
4904326 |
Process of making a hollow structure of carbon material
A process for producing hollow structures of carbon material having desired shape and properties of carbon by obtaining a carbon paste composition, molding portions of the hollow structure by a...
|
|
|
4894215 |
Process for producing porous materials of carbon
Porous materials of carbon can be manufactured by introducing particles of organic polymer in a vessel of an arbitrary shape, dissolving a particle surface layer to produce point bondings between...
|
|
|
4891203 |
Flake-like carbon bodies from semicoke
An anisotropic carbonaceous body is produced by plastically deforming a pitch-based semicoke at elevated temperature to align the internal structure. The semicoke may be carbonized and graphitized...
|
|
|
4882102 |
Process for producing hard carbonaceous sheets
An improved process for producing hard carbonaceous sheets, which comprises uniformly dispersing as a viscous binder in fine carbon powder a mixture of relatively readily polymerizable...
|
|
|
4880765 |
Process for producing carbon molecular sieves
Process for producing carbon molecular sieves for separating oxygen and nitrogen by treating a carbonaceous product with inert gas and steam in a vibrating oven and further treating said product...
|
|
|
4863649 |
Process for producing carbon heat generator
A process for producing a carbon heat generator is disclosed including the steps of uniformly dispersing one or more types of metal compounds capable of forming a vitreous film upon oxidation in a...
|
|
|
4863814 |
Electrode and a battery with the same
An electrode comprising as the main component carbon materials that have a layer structure more disordered than graphite and have hexagonal net faces with a selective orientation. Using said...
|
|
|
4855121 |
Continuous process for the preparation of carbon polymonofluoride and apparatus therefor
This invention relates to a continuous process for the preparation of carbon polymonofluoride. The reaction of fluorine diluted with at least one inert gas with carbon particles is performed in a...
|
|
|
4847063 |
Hollow composite body having an axis of symmetry
Method of forming a hollow, carbon/carbon composite article around an axis of symmetry, in which method a heat refractory mandrel is shaped to provide a desired inner surface configuration and...
|
|
|
4847021 |
Process for producing high density carbon and graphite articles
Carbonaceous powders are blended with a high coking value pitch, e.g. mesophase pitch, formed into shaped bodies and then simultaneously compressed and baked in an envelope of finely divided,...
|
|
|
4832881 |
Low density microcellular carbon foams and method of preparation
A low density, open-celled microcellular carbon foam is disclosed which is prepared by dissolving a carbonizable polymer or copolymer in a solvent, pouring the solution into a mold, cooling the...
|
|
|
4820681 |
Preparation of hydrophobic carbon molecular sieves
A method is described for producing hydrophobic carbon molecular sieves. The method does not employ a binder to form or shape previously carbonized materials. Instead, a cross-linked oxygen-free...
|
|
|
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...
|
|
|
4806290 |
Low density microcellular carbon or catalytically impregnated carbon forms and process for their preparation
Machinable and structurally stable, low density microcellular carbon, and catalytically impregnated carbon, foams, and process for their preparation, are provided. Pulverized sodium chloride is...
|
|
|
4795591 |
Process for the preparation of graphite intercalation compound and novel graphite intercalation compound
A graphite intercalation compound enjoying high stability is produced by a method characterized by using a previously synthesized acceptor type graphite intercalation compound as a raw material and...
|
|
|
4784695 |
Carbon black for blending in rubber
A carbon black for blending in rubber is disclosed, which has a BET specific surface area (N 2 SA) within a range of 65 to 84 m 2 /g, an a value to be obtained according to the following...
|
|
|
4775655 |
Porous carbon structures and methods for their preparation
This invention relates to the production of a novel, porous, carbon structure. A stabilised porous polymer comprising cavities joined by interconnecting pores is heated in an inert atmosphere to...
|
|
|
4774140 |
Glass-like carbon material, method for manufacturing the same, and slider part for use with a recording medium
The present invention concerns a glass-like carbon material which may be bonded to other materials, the carbon material having a high thermal expansion coefficient and being highly applicable for...
|
|
|
4770940 |
Glow discharge method of applying a carbon coating onto a substrate and coating applied thereby
Disclosed is a method of forming a hard, carbonaceous film on a substrate and the hard carbonaceous film formed thereby. The hard carbonaceous film is formed by decomposing a gaseous hydrocarbon...
|
|
|
4765968 |
Fluorinated carbon composition for use in fabricating a Li/CF.sub.x battery cathode
A means to eliminate the suppression of the closed circuit voltage of a Li/CF x battery during the initial part of its discharge is effected by blending an additive CF x which does not show...
|
|
|
4762528 |
Fluid fuel from coal and method of making same
Coal is gasified to produce carbon monoxide which is converted to carbon by a reverse Boudouard reaction 2CO➝CO 2 +C The carbon dioxide is recycled and reacted with coal to create more carbon...
|
|
|
4761272 |
Densified carbonaceous bodies with improved surface finishes
A liquid impregnant containing furfural, an acid catalyst and a pore-forming agent comprising a surfactant, e.g. a polyalkylene oxide adduct, is impregnated into fine grained, isotropic graphite...
|
|
|
4751069 |
Automotive high color carbon
Disclosed is a novel high color carbon black having an electron microscope surface area over 250 m 2 /g and a nitrogen adsorption surface area between about 240 and about 500 m 2 /g and a novel...
|
|
|
4738753 |
Method of producing carbonaceous bodies
The method employs a furnace, wherein organic distillation products released from the binder and the gaseous and particulate decomposition products are burned off. Bodies, placed on the ceramic...
|
|
|
4729884 |
Process for the preparation of a graphite intercalation compound
In the production of a graphite intercalation compound in which the intercalant is a metal chloride, the reaction is carried out in the presence of a second metal chloride of a relatively low...
|
|
|
4725423 |
Process for the regeneration of shaped carbon bodies
A process and apparatus for the regeneration of shaped carbon, and especially graphite, bodies used in the presence of molten silicon. The shaped bodies are heated in an inert atmosphere to a...
|
|
|
4725422 |
Electrode material
An electrode material made of a carbonaceous material that is obtained by the pyrolysis of an organic compound capable of forming the graphite structure is disclosed. This carbonaceous material is...
|
|
|
4703079 |
Cutting and chipping resistant tread for heavy service pneumatic off-the-road tires
A pneumatic tire is produced for off-the-road use having a tread formed from a silica-free rubber tread compound consisting essentially of particular types of rubber, and at least 55 phr of a...
|
|
|
4701317 |
Highly electroconductive films and process for preparing same
A highly electroconductive carbonaceous film having an electrical conductivity of at least about 1000 s/cm is prepared by thermally decomposing a diethynylbenzene in a carrier gas composed of an...
|
|
|
4698189 |
Method for the manufacture of vitreous carbon bodies
Manufacture of vitreous carbon bodies in which thermoplastic materials containing aromatic groups are formed into bodies, are thermally stabilized by irradiation with ionizing radiation and are...
|
|
|
4685940 |
Separation device
There are provided carbon membranes for use in separation processes. These have a very narrow range of pore sizes, with a very sharp cutoff at the upper pore size, and thus they are suited for the...
|
|
|
4671907 |
Method of manufacturing carbon materials
A method for the manufacture of high-strength, high-density carbon materials is disclosed. The method comprises the steps of pulverizing a carbonaceous raw material having a carbon content of at...
|
|
|
4668496 |
Vitreous carbon
The vitreous carbon disclosed herein is prepared from the molded product of a moldable composition produced from co-reacted mixtrues of powder or otherwise blendable form of 20-80% by weight of a...
|
|
|
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...
|
|
|
4650837 |
Method for converting Si-H containing polycarbosilanes to new and useful preceramic polymers and ceramic materials
A method of forming preceramic polymers using a polycarbosilane having repeat units of the formula [RSi(H)--(CH 2 ) q ] (where R is H, a lower alkyl group having from 1 to about 6 carbon atoms, a...
|
|
|
4637906 |
Method of producing carbon materials
A method of producing carbon materials having high density and strength, which method includes starting from a calcined product or its classified product having particular properties obtained by...
|
|
|
RE32319 |
Vitreous carbon and process for preparation thereof
The vitreous carbon disclosed herein is prepared from intimate uniform mixtures of powder or otherwise blendable form of 20-80% by weight of a solid phenolic-aldehyde Novolak resin and of 20-80% by...
|