3840518

Information

• Patent Grant
• 3840518

• References
• Source

• Patent Number

  3,840,518

• Date Filed

  Not available

• Date Issued

  Tuesday, October 8, 1974
  50 years ago

• CPC

  • C09B69/065 - of cationic azo dyes
  • C09B26/04 - cationic
  • C09B44/102 - characterised by the coupling component having a reactive methylene group

• US Classifications

  • 534 - Organic compounds
  • 549 - Organic compounds