1795757

Information

• Patent Grant
• 1795757

• References
• Source

• Patent Number

  1,795,757

• Date Filed

  Not available

• Date Issued

  Tuesday, March 10, 1931
  94 years ago

• CPC

  • D21C9/1078 - with Mn-containing compounds

• US Classifications

  • 162 - Paper making and fiber liberation