2780619

Information

• Patent Grant
• 2780619

• References
• Source

• Patent Number

  2,780,619

• Date Filed

  Not available

• Date Issued

  Tuesday, February 5, 1957
  69 years ago

• CPC

  • C09B45/42 - Copper compounds
  • C09B35/06 - the tetrazo component being a naphthalene derivative
  • C09B45/28 - containing copper

• US Classifications

  • 534 - Organic compounds
  • 562 - Organic compounds