3656957

Information

• Patent Grant
• 3656957

• References
• Source

• Patent Number

  3,656,957

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1972
  52 years ago

• CPC

  • C09B23/12 - the polymethine chain being branched "branched" means that the substituent on the polymethine chain forms a new conjugated system

• US Classifications

  • 430 - Radiation imagery chemistry: process, composition, or product thereof