3203837

Information

• Patent Grant
• 3203837

• References
• Source

• Patent Number

  3,203,837

• Date Filed

  Not available

• Date Issued

  Tuesday, August 31, 1965
  59 years ago

• CPC

  • C21D3/08 - Extraction of nitrogen
  • C21D3/02 - Extraction of non-metals

• US Classifications

  • 148 - Metal treatment