3489742

Information

• Patent Grant
• 3489742

• References
• Source

• Patent Number

  3,489,742

• Date Filed

  Not available

• Date Issued

  Tuesday, January 13, 1970
  56 years ago

• CPC

  • D21C7/00 - Digesters
  • D21C3/18 - with halogens or halogen-generating compounds
  • D21C5/00 - Other processes for obtaining cellulose

• US Classifications

  • 536 - Organic compounds
  • 127 - Sugar, starch, and carbohydrates
  • 162 - Paper making and fiber liberation
  • 422 - Chemical apparatus and process disinfecting, deodorizing, preserving, or sterilizing