3565620

Information

• Patent Grant
• 3565620

• References
• Source

• Patent Number

  3,565,620

• Date Filed

  Not available

• Date Issued

  Tuesday, February 23, 1971
  53 years ago

• CPC

  • G03C5/50 - Reversal development Contact processes
  • G03C1/48553 - the fogging agent only present in the developer

• US Classifications

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