2229650

Information

• Patent Grant
• 2229650

• References
• Source

• Patent Number

  2,229,650

• Date Filed

  Not available

• Date Issued

  Tuesday, January 28, 1941
  84 years ago

• CPC

  • C09B49/10 - from diphenylamines, indamines, or indophenols

• US Classifications

  • 548 - Organic compounds