3218164

Information

• Patent Grant
• 3218164

• References
• Source

• Patent Number

  3,218,164

• Date Filed

  Not available

• Date Issued

  Tuesday, November 16, 1965
  59 years ago

• CPC

  • C09B45/00 - Complex metal compounds of azo dyes
  • C09B45/02 - Preparation from dyes containing in o-postion a hydroxyl group and in o'-position hydroxyl, alkoxy, carboxyl, amino or keto groups
  • G03C8/10 - of dyes or their precursors
  • G03C8/16 - initially diffusible in alkaline environment
  • G03C8/18 - Dye developers

• US Classifications

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