2183087

Information

• Patent Grant
• 2183087

• References
• Source

• Patent Number

  2,183,087

• Date Filed

  Not available

• Date Issued

  Tuesday, December 12, 1939
  85 years ago

• CPC

  • C09B35/463 - D being derived from diaminodiphenyl

• US Classifications

  • 534 - Organic compounds
  • 558 - Organic compounds