2162456

Information

• Patent Grant
• 2162456

• References
• Source

• Patent Number

  2,162,456

• Date Filed

  Not available

• Date Issued

  Tuesday, June 13, 1939
  85 years ago

• CPC

  • G03C5/08 - Photoprinting Processes and means for preventing photoprinting
  • G03C1/61 - with non-macromolecular additives
  • G03C11/10 - for protection from ultra-violet light

• US Classifications

  • 430 - Radiation imagery chemistry: process, composition, or product thereof
  • 213 - Railway draft appliances
  • 283 - Printed matter