2235480

Information

• Patent Grant
• 2235480

• References
• Source

• Patent Number

  2,235,480

• Date Filed

  Not available

• Date Issued

  Tuesday, March 18, 1941
  83 years ago

• CPC

  • C09B69/00 - Dyes not provided for by a single group of this subclass
  • C09B1/36 - Dyes with acylated amino groups
  • C09B1/42 - the acyl groups being residues of an aromatic carboxylic acid
  • C09B1/46 - the acyl groups being residues of cyanuric acid or an analogous heterocyclic compound
  • C09B1/473 - the acyl groups being residues of a sulfonic acid
  • C09B3/38 - by introduction of hydrocarbon or acyl residues into amino groups
  • C09B6/00 - Anthracene dyes not provided for above
  • C09B43/12 - by acylation of amino groups
  • C09B43/16 - linking amino-azo or cyanuric acid residues
  • C09B55/00 - Azomethine dyes
  • D06P1/66 - containing quaternary ammonium groups

• US Classifications

  • 534 - Organic compounds
  • 008 - Bleaching and dyeing
  • 544 - Organic compounds
  • 552 - Organic compounds