3620670

Information

• Patent Grant
• 3620670

• References
• Source

• Patent Number

  3,620,670

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1971
  53 years ago

• CPC

  • C01G21/20 - Sulfates

• US Classifications

  • 423 - Chemistry of inorganic compounds
  • 023 - Chemistry: physical processes