3617432

Information

• Patent Grant
• 3617432

• References
• Source

• Patent Number

  3,617,432

• Date Filed

  Not available

• Date Issued

  Tuesday, November 2, 1971
  53 years ago

• CPC

  • D21C9/142 - with ClO2/Cl2 in a multistage process involving ClO2/Cl2 exclusively
  • D21C9/1026 - Other features in bleaching processes

• US Classifications

  • 162 - Paper making and fiber liberation