2153200

Information

• Patent Grant
• 2153200

• References
• Source

• Patent Number

  2,153,200

• Date Filed

  Not available

• Date Issued

  Tuesday, April 4, 1939
  85 years ago

• CPC

  • C09B31/18 - from a coupling component "D" containing a directive amine group

• US Classifications

  • 534 - Organic compounds