3653804

Information

• Patent Grant
• 3653804

• References
• Source

• Patent Number

  3,653,804

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1972
  52 years ago

• CPC

  • D06L3/10 - using reducing agents
  • D21C9/1089 - with dithionites

• US Classifications

  • 008 - Bleaching and dyeing
  • 162 - Paper making and fiber liberation
  • 252 - Compositions
  • 423 - Chemistry of inorganic compounds