2977221

Information

• Patent Grant
• 2977221

• References
• Source

• Patent Number

  2,977,221

• Date Filed

  Not available

• Date Issued

  Tuesday, March 28, 1961
  63 years ago

• CPC

  • C22B23/0484 - in acidic type solutions

• US Classifications

  • 423 - Chemistry of inorganic compounds