3787277

Information

• Patent Grant
• 3787277

• References
• Source

• Patent Number

  3,787,277

• Date Filed

  Not available

• Date Issued

  Tuesday, January 22, 1974
  51 years ago

• CPC

  • B01D69/141 - Heterogeneous membranes
  • Y10T428/24273 - including aperture
  • Y10T442/112 - Particulate free metal or alloy constituent
  • Y10T442/134 - Including a carbon or carbonized fiber
  • Y10T442/148 - Including a coating or impregnation containing particulate material other than fiber
  • Y10T442/183 - Synthetic polymeric fiber

• US Classifications

  • 442 - Fabric
  • 051 - Abrasive tool making process, material, or composition
  • 055 - Gas separation
  • 096 - Gas separation: apparatus
  • 156 - Adhesive bonding and miscellaneous chemical manufacture
  • 210 - Liquid purification or separation
  • 427 - Coating processes
  • 428 - Stock material or miscellaneous articles