2971821

Information

• Patent Grant
• 2971821

• References
• Source

• Patent Number

  2,971,821

• Date Filed

  Not available

• Date Issued

  Tuesday, February 14, 1961
  63 years ago

• CPC

  • C01G23/0534 - in the presence of seeds

• US Classifications

  • 423 - Chemistry of inorganic compounds