3782956

Information

• Patent Grant
• 3782956

• References
• Source

• Patent Number

  3,782,956

• Date Filed

  Not available

• Date Issued

  Tuesday, January 1, 1974
  51 years ago

• CPC

  • C07D231/56 - Benzopyrazoles Hydrogenated benzopyrazoles
  • G03C7/32 - Colour coupling substances
  • G03C7/3231 - Couplers containing an indazolone ring

• US Classifications

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