2178266

Information

• Patent Grant
• 2178266

• References
• Source

• Patent Number

  2,178,266

• Date Filed

  Not available

• Date Issued

  Tuesday, October 31, 1939
  85 years ago

• CPC

  • D21C3/18 - with halogens or halogen-generating compounds

• US Classifications

  • 162 - Paper making and fiber liberation