2694633

Information

• Patent Grant
• 2694633

• References
• Source

• Patent Number

  2,694,633

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1954
  70 years ago

• CPC

  • D21H17/07 - Nitrogen-containing compounds
  • D06M13/325 - Amines
  • D06M13/332 - Di- or polyamines
  • D06M13/402 - Amides imides, sulfamic acids
  • D06M13/453 - Phosphates or phosphites containing nitrogen atoms
  • D06M13/477 - having six-membered heterocyclic rings

• US Classifications

  • 162 - Paper making and fiber liberation
  • 241 - Solid material comminution or disintegration