3455633

Information

• Patent Grant
• 3455633

• References
• Source

• Patent Number

  3,455,633

• Date Filed

  Not available

• Date Issued

  Tuesday, July 15, 1969
  55 years ago

• CPC

  • G03D9/00 - Diffusion development apparatus
  • G03C8/045 - with the formation of a subtractive dye image
  • G03C8/30 - Additive processes using colour screens Materials therefor Preparing or processing such materials
  • G03D5/00 - Liquid processing apparatus in which no immersion is effected Washing apparatus in which no immersion is effected
  • G03D9/003 - for colour films
  • G03D11/00 - Reversal processing apparatus

• US Classifications

  • 355 - Photocopying
  • 352 - Optics: motion pictures
  • 430 - Radiation imagery chemistry: process, composition, or product thereof