2158306

Information

• Patent Grant
• 2158306

• References
• Source

• Patent Number

  2,158,306

• Date Filed

  Not available

• Date Issued

  Tuesday, May 16, 1939
  86 years ago

• CPC

  • C09B35/26 - the tetrazo component being a derivative of a diaryl urea

• US Classifications

  • 534 - Organic compounds