3824250

Information

• Patent Grant
• 3824250

• References
• Source

• Patent Number

  3,824,250

• Date Filed

  Not available

• Date Issued

  Tuesday, July 16, 1974
  50 years ago

• CPC

  • C07C243/00 - Compounds containing chains of nitrogen atoms singly-bound to each other
  • C07D231/32 - Oxygen atoms
  • C07D231/46 - Oxygen atom in position 3 or 5 and nitrogen atom in position 4
  • C07D231/50 - Acylated on said nitrogen atom
  • G03C7/384 - in pyrazolone rings

• US Classifications

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