3819456

Information

• Patent Grant
• 3819456

• References
• Source

• Patent Number

  3,819,456

• Date Filed

  Not available

• Date Issued

  Tuesday, June 25, 1974
  50 years ago

• CPC

  • C04B18/30 - Mixed waste Waste of undefined composition
  • E04C2/16 - of fibres, chips, vegetable stems, or the like
  • Y02W30/91 - Use of waste materials as fillers for mortars or concrete
  • Y10S428/921 - Fire or flameproofing

• US Classifications

  • 428 - Stock material or miscellaneous articles
  • 106 - Compositions: coating or plastic
  • 162 - Paper making and fiber liberation
  • 210 - Liquid purification or separation