2268508

Information

• Patent Grant
• 2268508

• References
• Source

• Patent Number

  2,268,508

• Date Filed

  Not available

• Date Issued

  Tuesday, December 30, 1941
  83 years ago

• CPC

  • G03C5/46 - Toning

• US Classifications

  • 430 - Radiation imagery chemistry: process, composition, or product thereof
  • 534 - Organic compounds
  • 556 - Organic compounds