2050661

Information

• Patent Grant
• 2050661

• References
• Source

• Patent Number

  2,050,661

• Date Filed

  Not available

• Date Issued

  Tuesday, August 11, 1936
  88 years ago

• CPC

  • C09B5/16 - Benz-diazabenzanthrones
  • C09B1/26 - Dyes with amino groups substituted by hydrocarbon radicals
  • C09B1/262 - Dyes with no other substituents than the substituted amino groups
  • C09B1/285 - Dyes with no other substituents than the amino groups
  • C09B1/48 - Anthrimides
  • C09B1/515 - N-alkyl, N-aralkyl or N-cycloalkyl derivatives
  • C09B1/545 - Anthraquinones with aliphatic, cycloaliphatic or araliphatic ether groups

• US Classifications

  • 552 - Organic compounds