2181485

Information

• Patent Grant
• 2181485

• References
• Source

• Patent Number

  2,181,485

• Date Filed

  Not available

• Date Issued

  Tuesday, November 28, 1939
  84 years ago

• CPC

  • G03C1/40 - Dyestuffs not covered by the groups G03C1/08 - G03C1/38 or G03C1/42

• US Classifications

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