3560259

Information

• Patent Grant
• 3560259

• References
• Source

• Patent Number

  3,560,259

• Date Filed

  Not available

• Date Issued

  Tuesday, February 2, 1971
  54 years ago

• CPC

  • C23G1/32 - Heavy metals
  • C22B34/24 - Obtaining niobium or tantalum

• US Classifications

  • 134 - Cleaning and liquid contact with solids
  • 252 - Compositions
  • 423 - Chemistry of inorganic compounds