2155858

Information

• Patent Grant
• 2155858

• References
• Source

• Patent Number

  2,155,858

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1939
  85 years ago

• CPC

  • C04B28/26 - Silicates of the alkali metals
  • C04B2/104 - Ingredients added before or during the burning process
  • C04B35/06 - based on oxide mixtures derived from dolomite
  • C04B35/20 - rich in magnesium oxide

• US Classifications

  • 501 - Compositions: ceramic