2243050

Information

• Patent Grant
• 2243050

• References
• Source

• Patent Number

  2,243,050

• Date Filed

  Not available

• Date Issued

  Tuesday, May 20, 1941
  83 years ago

• CPC

  • D21C3/026 - in presence of O2

• US Classifications

  • 162 - Paper making and fiber liberation
  • 536 - Organic compounds