3888771

Information

• Patent Grant
• 3888771

• References
• Source

• Patent Number

  3,888,771

• Date Filed

  Not available

• Date Issued

  Tuesday, June 10, 1975
  49 years ago

• CPC

  • B01D71/12 - Cellulose derivatives
  • B01D69/02 - characterised by their properties
  • B01D69/081 - characterised by the fibre diameter
  • B01D69/082 - characterised by the cross-sectional shape of the fibre
  • B01D69/087 - Details relating to the spinning process
  • D01D5/24 - with a hollow structure Spinnerette packs therefor
  • D01F2/04 - from cuprammonium solutions

• US Classifications

  • 210 - Liquid purification or separation
  • 264 - Plastic and nonmetallic article shaping or treating: processes