2721191

Information

• Patent Grant
• 2721191

• References
• Source

• Patent Number

  2,721,191

• Date Filed

  Not available

• Date Issued

  Tuesday, October 18, 1955
  69 years ago

• CPC

  • C09B31/22 - from a coupling component "D" containing directive hydroxyl and amino groups

• US Classifications

  • 534 - Organic compounds