3679420

Information

• Patent Grant
• 3679420

• References
• Source

• Patent Number

  3,679,420

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1972
  52 years ago

• CPC

  • C07D209/88 - with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
  • C09B1/205 - Dyes with an unsaturated C on the N atom attached to the nucleus
  • G03C1/58 - Coupling substances therefor

• US Classifications

  • 430 - Radiation imagery chemistry: process, composition, or product thereof
  • 562 - Organic compounds
  • 564 - Organic compounds