2339309

Information

• Patent Grant
• 2339309

• References
• Source

• Patent Number

  2,339,309

• Date Filed

  Not available

• Date Issued

  Tuesday, January 18, 1944
  81 years ago

• CPC

  • G03C5/42 - Reducing Intensifying
  • G03C5/3014 - Hydrazine; Hydroxylamine; Urea; Derivatives thereof
  • G03C5/50 - Reversal development Contact processes

• US Classifications

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