3833566

Information

• Patent Grant
• 3833566

• References
• Source

• Patent Number

  3,833,566

• Date Filed

  Not available

• Date Issued

  Tuesday, September 3, 1974
  50 years ago

• CPC

  • C09B23/164 - containing one nitrogen atom
  • C09B23/0041 - the substituent being bound through an nitrogen atom
  • C09B23/12 - the polymethine chain being branched "branched" means that the substituent on the polymethine chain forms a new conjugated system
  • G03C1/12 - Methine and polymethine dyes

• US Classifications

  • 546 - Organic compounds
  • 544 - Organic compounds
  • 548 - Organic compounds