2717891

Information

• Patent Grant
• 2717891

• References
• Source

• Patent Number

  2,717,891

• Date Filed

  Not available

• Date Issued

  Tuesday, September 13, 1955
  69 years ago

• CPC

  • C09B31/16 - Trisazo dyes

• US Classifications

  • 534 - Organic compounds
  • 548 - Organic compounds
  • 562 - Organic compounds