Carbon fibrils
January 13, 2015. Estimated Expiration Date is calculated based on simple USPTO term provisions. It does not account for terminal disclaimers, term adjustments, failure to pay maintenance fees, or other factors which might affect the term of a patent.Patent ReferencesCatalytic fibrous carbon Process for preparing fine carbon fibers in a gaseous phase reaction Fluidization aid for cohesive materials Fluidization aid Carbonaceous material and methods for making hydrogen and light hydrocarbons from such materials Method for making carbonaceous materials Carbon fibrils, method for producing same and compositions containing same Novel carbonaceous material and process for producing a high BTU gas from this material Method for making carbonaceous materials Cathode collector made from carbon fibrils InventorsAssigneeApplicationNo. 694244 filed on 05/01/1991US Classes:502/180, Elemental carbon264/29.2, Filaments423/447.1, Fiber, fabric, or textile423/447.2, Product423/447.3, From gaseous reactants427/216, Metal base427/221, Resin, rubber, or hardenable oil containing coating427/249.4, Inorganic carbon base (e.g., graphite, etc.)427/255.24, Fiber or fibrous web or sheet based (e.g., strand, filament, fabric, cloth, etc.)428/367, Including free carbon or carbide or therewith (not as steel)428/368, In coating or impregnation428/376, Discontinuous or tubular or cellular core428/398, Tubular or cellular428/408, SELF-SUSTAINING CARBON MASS OR LAYER WITH IMPREGNANT OR OTHER LAYER502/159, Resin, natural or synthetic, polysaccharide or polypeptide502/182, And metal, metal oxide, or metal hydroxide502/185, Of Group VIII (i.e., iron or platinum group)502/416, Free carbon containing502/438Chemically reducing an oxide or product thereofExaminersPrimary: Wood, Elizabeth D.Assistant: Hailey, P. L. Attorney, Agent or FirmForeign Patent References
International ClassesB01J 021/18B01J 020/02 B01J 023/00 D01F 009/12 AbstractA volume of carbon fibrils that includes a multiplicity of fibrils having a morphology consisting of vermicular tubes that are free of a continuous thermal carbon overcoat and have graphite layers that are substantially parallel to the fibril axis and a process for preparing such fibrils.Other References
Field of SearchFree carbon containingChemically reducing an oxide or product thereof Elemental carbon And metal, metal oxide, or metal hydroxide Of Group VIII (i.e., iron or platinum group) Resin, natural or synthetic, polysaccharide or polypeptide Fiber, fabric, or textile Product From gaseous reactants Filaments Metal base Resin, rubber, or hardenable oil containing coating Including free carbon or carbide or therewith (not as steel) In coating or impregnation Discontinuous or tubular or cellular core Tubular or cellular SELF-SUSTAINING CARBON MASS OR LAYER WITH IMPREGNANT OR OTHER LAYER |
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