3865543

Information

• Patent Grant
• 3865543

• References
• Source

• Patent Number

  3,865,543

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1975
  50 years ago

• CPC

  • D06P3/241 - using acid dyes
  • C09B1/34 - sulfonated
  • C09B43/11 - by introducing hydrocarbon radicals or substituted hydrocarbon radicals on primary or secondary amino groups
  • C09B56/12 - Anthraquinone-azo dyes
  • D06P3/24 - polyamides polyurethanes
  • Y10S8/933 - Thermosol dyeing, thermofixation or dry heat fixation or development

• US Classifications

  • 008 - Bleaching and dyeing
  • 427 - Coating processes
  • 534 - Organic compounds