2733992

Information

• Patent Grant
• 2733992

• References
• Source

• Patent Number

  2,733,992

• Date Filed

  Not available

• Date Issued

  Tuesday, February 7, 1956
  69 years ago

• CPC

  • D21C7/00 - Digesters
  • D21C3/16 - nitrogen oxides nitric acid nitrates, nitrites

• US Classifications

  • 162 - Paper making and fiber liberation