1469960

Information

• Patent Grant
• 1469960

• References
• Source

• Patent Number

  1,469,960

• Date Filed

  Not available

• Date Issued

  Tuesday, October 9, 1923
  101 years ago

• CPC

  • D21C11/0035 - Introduction of compounds
  • Y10S423/03 - Papermaking liquor

• US Classifications

  • 162 - Paper making and fiber liberation
  • 159 - Concentrating evaporators
  • 423 - Chemistry of inorganic compounds