3721637

Information

• Patent Grant
• 3721637

• References
• Source

• Patent Number

  3,721,637

• Date Filed

  Not available

• Date Issued

  Tuesday, March 20, 1973
  51 years ago

• CPC

  • C04B20/08 - Defibrilating asbestos
  • C08K7/12 - Asbestos
  • Y10S264/19 - Inorganic fiber

• US Classifications

  • 524 - Synthetic resins or natural rubbers
  • 162 - Paper making and fiber liberation
  • 264 - Plastic and nonmetallic article shaping or treating: processes