2486440

Information

• Patent Grant
• 2486440

• References
• Source

• Patent Number

  2,486,440

• Date Filed

  Not available

• Date Issued

  Tuesday, November 1, 1949
  75 years ago

• CPC

  • G03C7/3244 - Couplers forming azinic dyes; Specific developers therefor

• US Classifications

  • 430 - Radiation imagery chemistry: process, composition, or product thereof
  • 544 - Organic compounds
  • 562 - Organic compounds
  • 564 - Organic compounds