3635670

Information

• Patent Grant
• 3635670

• References
• Source

• Patent Number

  3,635,670

• Date Filed

  Not available

• Date Issued

  Tuesday, January 18, 1972
  52 years ago

• CPC

  • D21C11/04 - of alkali lye
  • C01D1/32 - by absorption or precipitation
  • Y02P40/44 - Regeneration of lime in pulp and sugar mills
  • Y10S423/03 - Papermaking liquor

• US Classifications

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