2041838

Information

• Patent Grant
• 2041838

• References
• Source

• Patent Number

  2,041,838

• Date Filed

  Not available

• Date Issued

  Tuesday, May 26, 1936
  89 years ago

• CPC

  • C07C215/86 - being formed by two rings
  • C09B31/02 - Disazo dyes
  • C09B31/08 - from a coupling component "C" containing directive hydroxyl and amino groups

• US Classifications

  • 564 - Organic compounds