3887747

Information

• Patent Grant
• 3887747

• References
• Source

• Patent Number

  3,887,747

• Date Filed

  Not available

• Date Issued

  Tuesday, June 3, 1975
  49 years ago

• CPC

  • D06M13/402 - Amides imides, sulfamic acids
  • B01D39/1623 - of synthetic origin
  • B01D69/08 - Hollow fibre membranes
  • B01D71/021 - Carbon
  • B01D71/72 - Macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds, not provided for in a single one of the groups B01D71/46 - B01D71/70
  • B01J47/123 - Use of materials in the form of filaments or fibres
  • D01D5/24 - with a hollow structure Spinnerette packs therefor
  • D01F6/76 - from other polycondensation products
  • D01F9/21 - from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
  • D01F9/24 - from macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
  • D01F9/245 - from polyurethanes
  • D01F9/26 - from polyesters
  • D01F9/28 - from polyamides
  • B01D2311/2623 - Ion-Exchange
  • Y10T428/2975 - Tubular or cellular
  • Y10T442/3098 - Cross-sectional configuration varies longitudinaly along the strand
  • Y10T442/56 - From synthetic organic fiber
  • Y10T442/61 - Cross-sectional configuration varies longitudinally along strand or fiber material

• US Classifications

  • 442 - Fabric
  • 264 - Plastic and nonmetallic article shaping or treating: processes
  • 428 - Stock material or miscellaneous articles
  • 521 - Synthetic resins or natural rubbers