2545421

Information

• Patent Grant
• 2545421

• References
• Source

• Patent Number

  2,545,421

• Date Filed

  Not available

• Date Issued

  Tuesday, March 13, 1951
  73 years ago

• CPC

  • C09B23/0066 - the polymethine chain being part of a carbocyclic ring,(
  • C09B23/166 - containing two or more nitrogen atoms
  • G03C1/122 - Azacyanines

• US Classifications

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