3865805

Information

• Patent Grant
• 3865805

• References
• Source

• Patent Number

  3,865,805

• Date Filed

  Not available

• Date Issued

  Tuesday, February 11, 1975
  50 years ago

• CPC

  • C09B43/11 - by introducing hydrocarbon radicals or substituted hydrocarbon radicals on primary or secondary amino groups
  • C09B31/02 - Disazo dyes
  • C09B44/005 - Special process features in the quaternization reaction
  • C09B56/005 - Azo-nitro dyes
  • Y10S8/921 - Cellulose ester or ether

• US Classifications

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