3397956

Information

• Patent Grant
• 3397956

• References
• Source

• Patent Number

  3,397,956

• Date Filed

  Not available

• Date Issued

  Tuesday, August 20, 1968
  56 years ago

• CPC

  • C01B25/2346 - Concentration
  • C01B25/223 - only one form of calcium sulfate being formed

• US Classifications

  • 423 - Chemistry of inorganic compounds