3620674

Information

• Patent Grant
• 3620674

• References
• Source

• Patent Number

  3,620,674

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1971
  53 years ago

• CPC

  • C01C1/028 - from ammonium sulfate or sulfite
  • C01B7/191 - Hydrogen fluoride
  • C01B17/167 - Separation
  • C01B17/60 - Isolation of sulfur dioxide from gases
  • C01B31/20 - Carbon dioxide

• US Classifications

  • 423 - Chemistry of inorganic compounds