2877167

Information

• Patent Grant
• 2877167

• References
• Source

• Patent Number

  2,877,167

• Date Filed

  Not available

• Date Issued

  Tuesday, March 10, 1959
  65 years ago

• CPC

  • G03C1/732 - Leuco dyes
  • C09B11/04 - derived from triarylmethanes
  • Y10S204/901 - Effecting a color change by wave energy

• US Classifications

  • 552 - Organic compounds
  • 204 - Chemistry: electrical and wave energy
  • 250 - Radiant energy
  • 252 - Compositions
  • 430 - Radiation imagery chemistry: process, composition, or product thereof