2505268

Information

• Patent Grant
• 2505268

• References
• Source

• Patent Number

  2,505,268

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1950
  75 years ago

• CPC

  • C09B29/30 - Amino naphtholsulfonic acid
  • C09B35/22 - the tetrazo component being a derivative of a diaryl ether

• US Classifications

  • 534 - Organic compounds