3135732

Information

• Patent Grant
• 3135732

• References
• Source

• Patent Number

  3,135,732

• Date Filed

  Not available

• Date Issued

  Tuesday, June 2, 1964
  60 years ago

• CPC

  • C09B43/12 - by acylation of amino groups
  • C09B31/025 - containing acid groups
  • C09B39/00 - Other azo dyes prepared by diazotising and coupling
  • C09B43/00 - Preparation of azo dyes from other azo compounds
  • C09B43/06 - by oxidation
  • C09B43/136 - with polyfunctional acylating agents
  • C09B43/14 - with phosgene or thiophosgene
  • C09B43/16 - linking amino-azo or cyanuric acid residues

• US Classifications

  • 534 - Organic compounds
  • 008 - Bleaching and dyeing