3384657

Information

• Patent Grant
• 3384657

• References
• Source

• Patent Number

  3,384,657

• Date Filed

  Not available

• Date Issued

  Tuesday, May 21, 1968
  56 years ago

• CPC

  • C07D271/113 - with oxygen, sulfur or nitrogen atoms, directly attached to ring carbon atoms, the nitrogen atoms not forming part of a nitro radical
  • C07D295/192 - from aromatic carboxylic acids
  • G03C7/30535 - having the coupling site not in rings of cyclic compounds
  • G03C7/367 - Pyvaloyl-acetanilide couplers

• US Classifications

  • 562 - Organic compounds
  • 430 - Radiation imagery chemistry: process, composition, or product thereof
  • 544 - Organic compounds
  • 546 - Organic compounds
  • 548 - Organic compounds
  • 549 - Organic compounds
  • 560 - Organic compounds
  • 564 - Organic compounds