2174591

Information

• Patent Grant
• 2174591

• References
• Source

• Patent Number

  2,174,591

• Date Filed

  Not available

• Date Issued

  Tuesday, October 3, 1939
  84 years ago

• CPC

  • C09B33/06 - in which the coupling component is a diamine or polyamine

• US Classifications

  • 534 - Organic compounds