3139438

Information

• Patent Grant
• 3139438

• References
• Source

• Patent Number

  3,139,438

• Date Filed

  Not available

• Date Issued

  Tuesday, June 30, 1964
  60 years ago

• CPC

  • C09B62/60 - Porphines Azaporphines
  • C09B62/44 - with the reactive group not directly attached to a heterocyclic ring
  • C09B62/54 - the reactive group being an epoxy or halohydrin group
  • C09B62/58 - Azo dyes
  • C09B62/585 - Monoazo dyes
  • Y10S8/918 - Cellulose textile

• US Classifications

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