1390260

Information

• Patent Grant
• 1390260

• References
• Source

• Patent Number

  1,390,260

• Date Filed

  Not available

• Date Issued

  Tuesday, September 6, 1921
  103 years ago

• CPC

  • G03C5/3014 - Hydrazine; Hydroxylamine; Urea; Derivatives thereof

• US Classifications

  • 562 - Organic compounds