2817659

Information

• Patent Grant
• 2817659

• References
• Source

• Patent Number

  2,817,659

• Date Filed

  Not available

• Date Issued

  Tuesday, December 24, 1957
  67 years ago

• CPC

  • C09B43/06 - by oxidation
  • C09B31/16 - Trisazo dyes

• US Classifications

  • 534 - Organic compounds