2173054

Information

• Patent Grant
• 2173054

• References
• Source

• Patent Number

  2,173,054

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1939
  85 years ago

• CPC

  • C09B62/58 - Azo dyes

• US Classifications

  • 008 - Bleaching and dyeing
  • 534 - Organic compounds
  • 564 - Organic compounds