3629336

Information

• Patent Grant
• 3629336

• References
• Source

• Patent Number

  3,629,336

• Date Filed

  Not available

• Date Issued

  Tuesday, December 21, 1971
  53 years ago

• CPC

  • C07C45/74 - combined with dehydration
  • C07C45/56 - from heterocyclic compounds
  • C07C45/62 - by hydrogenation of carbon-to-carbon double or triple bonds
  • C07C49/92 - Ketonic chelates
  • C07C68/02 - from phosgene or haloformates
  • C07C279/26 - X and Y being nitrogen atoms
  • C09B45/14 - Monoazo compounds
  • C09B45/48 - Preparation from other complex metal compounds of azo dyes
  • G03C5/3021 - with oxydisable hydroxyl or amine groups linked to an aromatic ring
  • G03C7/32 - Colour coupling substances
  • G03C8/18 - Dye developers

• US Classifications

  • 568 - Organic compounds
  • 430 - Radiation imagery chemistry: process, composition, or product thereof
  • 546 - Organic compounds
  • 558 - Organic compounds
  • 560 - Organic compounds
  • 562 - Organic compounds
  • 564 - Organic compounds