3917653

Information

• Patent Grant
• 3917653

• References
• Source

• Patent Number

  3,917,653

• Date Filed

  Not available

• Date Issued

  Tuesday, November 4, 1975
  49 years ago

• CPC

  • C07D309/04 - with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
  • C07D307/14 - Radicals substituted by nitrogen atoms not forming part of a nitro radical
  • G03C5/3014 - Hydrazine; Hydroxylamine; Urea; Derivatives thereof

• US Classifications

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