3920632

Information

• Patent Grant
• 3920632

• References
• Source

• Patent Number

  3,920,632

• Date Filed

  Not available

• Date Issued

  Tuesday, November 18, 1975
  49 years ago

• CPC

  • C09B1/32 - substituted by aryl groups
  • C09B1/20 - Preparation from starting materials already containing the anthracene nucleus
  • C09B1/26 - Dyes with amino groups substituted by hydrocarbon radicals
  • C09B1/28 - substituted by alkyl, aralkyl or cyclo alkyl groups
  • C09B1/36 - Dyes with acylated amino groups
  • C09B62/004 - Anthracene dyes
  • C09B62/4401 - with two or more reactive groups at least one of them being directly attached to a heterocyclic system and at least one of them being directly attached to a non-heterocyclic system
  • Y10S8/917 - Wool or silk
  • Y10S8/918 - Cellulose textile
  • Y10S8/924 - Polyamide fiber

• US Classifications

  • 540 - Organic compounds
  • 008 - Bleaching and dyeing
  • 544 - Organic compounds
  • 546 - Organic compounds
  • 548 - Organic compounds
  • 552 - Organic compounds