2078578

Information

• Patent Grant
• 2078578

• References
• Source

• Patent Number

  2,078,578

• Date Filed

  Not available

• Date Issued

  Tuesday, April 27, 1937
  87 years ago

• CPC

  • G03C7/08 - from diversely-coloured grains irregularly distributed

• US Classifications

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