3686372

Information

• Patent Grant
• 3686372

• References
• Source

• Patent Number

  3,686,372

• Date Filed

  Not available

• Date Issued

  Tuesday, August 22, 1972
  52 years ago

• CPC

  • C04B7/02 - Portland cement
  • C04B7/38 - Preparing or treating the raw materials individually or as batches
  • C04B7/42 - Active ingredients added before, or during, the burning process

• US Classifications

  • 106 - Compositions: coating or plastic
  • 432 - Heating