2777749

Information

• Patent Grant
• 2777749

• References
• Source

• Patent Number

  2,777,749

• Date Filed

  Not available

• Date Issued

  Tuesday, January 15, 1957
  68 years ago

• CPC

  • A24B15/287 - by inorganic substances only
  • A24B15/28 - by chemical substances
  • D06L3/028 - in a gaseous compositions
  • D21C9/1026 - Other features in bleaching processes
  • D21H17/63 - Inorganic compounds

• US Classifications

  • 008 - Bleaching and dyeing
  • 127 - Sugar, starch, and carbohydrates
  • 131 - Tobacco
  • 162 - Paper making and fiber liberation
  • 426 - Food or edible material: processes, compositions, and products