3402992

Information

• Patent Grant
• 3402992

• References
• Source

• Patent Number

  3,402,992

• Date Filed

  Not available

• Date Issued

  Tuesday, September 24, 1968
  56 years ago

• CPC

  • D21C11/0071 - Treatment of green or white liquors with gases
  • Y10S423/03 - Papermaking liquor

• US Classifications

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