Coiled inorganic monolithic hollow fibers
Patent 4348458 Issued on September 7, 1982. Estimated Expiration Date: 
September 8, 2000. 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.
September 8, 2000. 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 References 2296321 3505039 3565749 Hydrogen-purification apparatus with palladium-alloy filter coil Method for making steel wire Separation device of rigid porous inorganic hollow filament and use thereof Inorganic anisotropic hollow fibers Process to produce inorganic hollow fibers Tubesheet for hollow fiber type, high temperature battery cells Patent #: 4224386 InventorApplicationNo. 06/184878 filed on 09/08/1980US Classes:428/366, Including boron or compound thereof (not as steel)428/364, Rod, strand, filament or fiber428/367, Including free carbon or carbide or therewith (not as steel)428/371, Helical or coiled428/398, Tubular or cellular428/399Longitudinally varyingExaminersPrimary: Downey, Mary F.Attorney, Agent or FirmInternational ClassesB22F 3/00 (20060101)H01M 10/36 (20060101) B01D 53/22 (20060101) B01D 71/00 (20060101) B01D 71/02 (20060101) C04B 35/622 (20060101) D01D 5/24 (20060101) D01D 5/00 (20060101) H01M 10/39 (20060101) AbstractEssentially inorganic monolithic hollow fibers have at least one segment self-supportingly disposed as a coil. Coil shapes may be spiral, helical or conical helical. Processes are provided for making coiled hollow fibers. Apparatus are provided using coiled hollow fibers. | |
