2270746

Information

• Patent Grant
• 2270746

• References
• Source

• Patent Number

  2,270,746

• Date Filed

  Not available

• Date Issued

  Tuesday, January 20, 1942
  83 years ago

• CPC

  • G03C7/04 - Additive processes using colour screens Materials therefor Preparing or processing such materials

• US Classifications

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