3642437

Information

• Patent Grant
• 3642437

• References
• Source

• Patent Number

  3,642,437

• Date Filed

  Not available

• Date Issued

  Tuesday, February 15, 1972
  53 years ago

• CPC

  • C04B33/06 - Rendering lime harmless
  • C01F7/08 - by treating aluminous minerals with sodium carbonate
  • C04B7/24 - Cements from oil shales, residues or waste other than slag
  • C04B33/30 - Drying methods
  • Y02P40/145 - Clinker replacement by combustion residues

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 106 - Compositions: coating or plastic