2688558

Information

• Patent Grant
• 2688558

• References
• Source

• Patent Number

  2,688,558

• Date Filed

  Not available

• Date Issued

  Tuesday, September 7, 1954
  70 years ago

• CPC

  • C04B38/0635 - Compounding ingredients
  • C04B35/18 - rich in aluminium oxide

• US Classifications

  • 501 - Compositions: ceramic