3632469

Information

• Patent Grant
• 3632469

• References
• Source

• Patent Number

  3,632,469

• Date Filed

  Not available

• Date Issued

  Tuesday, January 4, 1972
  53 years ago

• CPC

  • D21C9/142 - with ClO2/Cl2 in a multistage process involving ClO2/Cl2 exclusively

• US Classifications

  • 162 - Paper making and fiber liberation