2857276

Information

• Patent Grant
• 2857276

• References
• Source

• Patent Number

  2,857,276

• Date Filed

  Not available

• Date Issued

  Tuesday, October 21, 1958
  66 years ago

• CPC

  • G03C5/3014 - Hydrazine; Hydroxylamine; Urea; Derivatives thereof
  • G03C5/38 - Fixing Developing-fixing Hardening-fixing
  • G03C8/06 - Silver salt diffusion transfer
  • G03C8/365 - containing silver-halide solvents

• US Classifications

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