3838145

Information

• Patent Grant
• 3838145

• References
• Source

• Patent Number

  3,838,145

• Date Filed

  Not available

• Date Issued

  Tuesday, September 24, 1974
  50 years ago

• CPC

  • C09B43/32 - by reacting carboxylic or sulfonic groups, or derivatives thereof, with amines by reacting keto-groups with amines
  • C09B33/06 - in which the coupling component is a diamine or polyamine
  • C09B43/00 - Preparation of azo dyes from other azo compounds
  • C09B43/12 - by acylation of amino groups
  • C09B43/136 - with polyfunctional acylating agents
  • Y10S8/908 - Anionic emulsifiers for dyeing

• US Classifications

  • 534 - Organic compounds
  • 008 - Bleaching and dyeing
  • 560 - Organic compounds
  • 564 - Organic compounds