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7390351 |
Electrets and compounds useful in electrets
An electret filter media that includes a thermoplastic resin and a compound of the formula Y 2 -A(R 1 ) n —Y 1 , where A is benzene, naphthalene or anthracene, Y 1 and Y 2 are each...
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7338915 |
Ropes of single-wall carbon nanotubes and compositions thereof
This invention provides a method of making single-wall carbon nanotubes by laser vaporizing a mixture of carbon and one or more Group VIII transition metals. Single-wall carbon nanotubes...
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7288338 |
Mat of glass and other fibers and method for producing such mat
A binderless glass fiber mat suitable for use as a separator for valve regulated (“recombinant”) lead acid (“VRLA”) batteries is disclosed. The separator is produced by a dry process by...
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7049025 |
Gas diffusion substrate
A novel flexible non-woven carbon fibre gas diffusion substrate comprising a plurality of first carbon fibres orientated in the x-, y- and optionally z-directions, said first fibres being bonded...
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7022629 |
Print through elimination in fiber reinforced matrix composite mirrors and method of construction
A fiber reinforced matrix composite mirror that eliminates the problem of “print through”. A layer of small unbundled fibers in the matrix diffuses and randomize any stresses that are created...
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6949308 |
Gas diffusion substrate
A fuel cell gas diffusion substrate has primary fibres, secondary fibres and one or more thermoplastic polymers for binding the primary and secondary fibres, characterized in that the secondary...
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6821321 |
Combined vapor and particulate filter
A personal respirator has a face mask and is provided with a filter unit comprising a canister housing contiguous layers of novel filter material. The filter material is suitable for both...
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5972253 |
Preparation of monolithic carbon fiber composite material
A process for preparing an activated carbon fiber composite material includes the steps of mixing carbon fibers, binder and water to form a slurry, molding the slurry to produce a green monolithic...
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5869411 |
Carbon fiber reinforced carbon/carbon composite and method of its manufacture
Fibrous substrates for the production of carbon and/or ceramic (including mixtures of these) fiber reinforced carbon and/or ceramic (including mixtures of these) matrix composites, particularly...
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5582908 |
Ignition resistant carbonaceous material
A process for preparing an ignition resistant carbonaceous material by exposing a meltblown or spunbonded acrylic precursor material in the form of at least one ply of a generally planar fibrous...
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5437921 |
Electronic components mounting base material
A base material for mounting electronic components is provided which has a low density and a coefficient of thermal expansion close to that of aluminum and can be processed with ease. The base...
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5399423 |
Ignition resistant meltblown or spunbonded insulation material
An ignition resistant fibrous material for use as insulation. The material comprises a multiplicity of meltblown or spunbonded thermoplastic filaments in combination with a multiplicity of...
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5080963 |
Mixed fiber composite structures high surface area-high conductivity mixtures
A new class of composites results from a matrix of carbon fibers, including graphite fibers, interwoven in a network of fused metal fibers. The composites can be fabricated to have varying surface...
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5034267 |
Carbonaceous fiber or fiber assembly with inorganic coating
A thermally stable metal coated carbonaceous fiber batting, fiber tow, yarn or fabric which maintains loft, has some degree of resiliency and some degree of stability in the presence of various...
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4981752 |
Formation of melt-spun acrylic fibers which are well suited for thermal conversion to high strength carbon fibers
An acrylic multifilamentary material possessing an internal structure which is well suited for thermal conversion to high strength carbon fibers is formed via a specifically defined combination of...
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4981751 |
Melt-spun acrylic fibers which are particularly suited for thermal conversion to high strength carbon fibers
An acrylic multifilamentary material possessing an internal structure which is particularly suited for thermal conversion to high strength carbon fibers is formed via a specifically defined...
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4861653 |
Pitch carbon fibers and batts
Mesophase pitch centrifugally spun as described over a lip yields upon stabilization and carbonization with or without graphitization carbon fibers with a lamellar microstructure.
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4844974 |
Antistatic, antislosh, flame arresting structure for use in containers holding flammable fluids
An antislosh, flame arresting structure for use in or with containers holding flammable fluids comprising a multiplicity of heat set carbonaceous fibers having an LOI value greater than 40 in an...
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4391873 |
High temperature thermal insulating composite
A composite contains in one region graphite flakes and refractory fibers in arbonized polymeric resin and in an adjacent region a gradually diminishing weight proportion of graphite flakes,...
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