3415808

Information

• Patent Grant
• 3415808

• References
• Source

• Patent Number

  3,415,808

• Date Filed

  Not available

• Date Issued

  Tuesday, December 10, 1968
  56 years ago

• CPC

  • C09B43/00 - Preparation of azo dyes from other azo compounds
  • C09B39/00 - Other azo dyes prepared by diazotising and coupling
  • C09B43/12 - by acylation of amino groups
  • C09B43/145 - with polycarboxylic acids
  • C09B69/00 - Dyes not provided for by a single group of this subclass
  • D06P1/0048 - Converting dyes in situ in a non-appropriate form by hydrolysis, saponification, reduction with split-off of a substituent
  • D06P1/227 - Specific dyes not provided for in groups D06P1/228 - D06P1/28
  • D06P3/62 - using direct dyes

• US Classifications

  • 534 - Organic compounds
  • 008 - Bleaching and dyeing
  • 548 - Organic compounds