3733335

Information

• Patent Grant
• 3733335

• References
• Source

• Patent Number

  3,733,335

• Date Filed

  Not available

• Date Issued

  Tuesday, May 15, 1973
  52 years ago

• CPC

  • G03C7/32 - Colour coupling substances
  • G03C7/3231 - Couplers containing an indazolone ring

• US Classifications

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