3652208

Information

• Patent Grant
• 3652208

• References
• Source

• Patent Number

  3,652,208

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1972
  52 years ago

• CPC

  • C01B17/164 - Preparation by reduction of oxidic sulfur compounds
  • C01F7/10 - by treating aluminous minerals with alkali sulfates and reducing agents
  • C01F7/164 - Calcium aluminates

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 425 - Plastic article or earthenware shaping or treating: apparatus