3409457

Information

• Patent Grant
• 3409457

• References
• Source

• Patent Number

  3,409,457

• Date Filed

  Not available

• Date Issued

  Tuesday, November 5, 1968
  56 years ago

• CPC

  • C09B55/009 - Azomethine dyes, the C-atom of the group -C=N- being part of a ring (Image)
  • B41M5/323 - Organic colour formers
  • C07D231/48 - with hydrocarbon radicals attached to said nitrogen atom
  • C07D231/50 - Acylated on said nitrogen atom
  • C09B55/00 - Azomethine dyes
  • C09B55/002 - Monoazomethine dyes
  • Y10S428/913 - Material designed to be responsive to temperature, light, moisture
  • Y10S430/165 - Thermal imaging composition
  • Y10T428/31859 - Next to an aldehyde or ketone condensation product
  • Y10T428/31895 - Paper or wood
  • Y10T428/31899 - Addition polymer of hydrocarbon[s] only

• US Classifications

  • 430 - Radiation imagery chemistry: process, composition, or product thereof
  • 106 - Compositions: coating or plastic
  • 250 - Radiant energy
  • 347 - Incremental printing of symbolic information
  • 428 - Stock material or miscellaneous articles
  • 503 - Record receiver having plural interactive leaves or a colorless color former, method of use, or developer therefor