3443992

Information

• Patent Grant
• 3443992

• References
• Source

• Patent Number

  3,443,992

• Date Filed

  Not available

• Date Issued

  Tuesday, May 13, 1969
  55 years ago

• CPC

  • C01F7/0606 - Make-up of the alkali hydroxide solution from recycled spent liquor

• US Classifications

  • 134 - Cleaning and liquid contact with solids