3672905

Information

• Patent Grant
• 3672905

• References
• Source

• Patent Number

  3,672,905

• Date Filed

  Not available

• Date Issued

  Tuesday, June 27, 1972
  52 years ago

• CPC

  • G03C1/12 - Methine and polymethine dyes
  • 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
  • C09B23/164 - containing one nitrogen atom

• US Classifications

  • 430 - Radiation imagery chemistry: process, composition, or product thereof
  • 544 - Organic compounds
  • 546 - Organic compounds