3429872

Information

• Patent Grant
• 3429872

• References
• Source

• Patent Number

  3,429,872

• Date Filed

  Not available

• Date Issued

  Tuesday, February 25, 1969
  56 years ago

• CPC

  • C09B69/00 - Dyes not provided for by a single group of this subclass
  • B01F17/0028 - Macromolecular compounds
  • B01F17/0042 - Organic compounds containing nitrogen
  • B01F17/005 - Macromolecular compounds
  • C09B1/285 - Dyes with no other substituents than the amino groups
  • C09B39/00 - Other azo dyes prepared by diazotising and coupling
  • C09B43/18 - by acylation of hydroxyl group or of mercapto group
  • C23C14/22 - characterised by the process of coating
  • G03C8/00 - Diffusion transfer processes or agents therefor Photosensitive materials for such processes
  • G03C8/18 - Dye developers
  • G03C8/28 - containing development nuclei or compounds forming such nuclei

• US Classifications

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