2036196

Information

• Patent Grant
• 2036196

• References
• Source

• Patent Number

  2,036,196

• Date Filed

  Not available

• Date Issued

  Tuesday, April 7, 1936
  88 years ago

• CPC

  • C09B1/325 - Dyes with no other substituents than the amino groups
  • C09B1/42 - the acyl groups being residues of an aromatic carboxylic acid
  • C09B1/473 - the acyl groups being residues of a sulfonic acid
  • C09B1/514 - N-aryl derivatives
  • C09B1/545 - Anthraquinones with aliphatic, cycloaliphatic or araliphatic ether groups
  • C09B1/585 - substituted by aryl radicals

• US Classifications

  • 008 - Bleaching and dyeing
  • 552 - Organic compounds