3897284

Information

• Patent Grant
• 3897284

• References
• Source

• Patent Number

  3,897,284

• Date Filed

  Not available

• Date Issued

  Tuesday, July 29, 1975
  49 years ago

• CPC

  • G21H5/02 - as tracers
  • C06B23/008 - Tagging additives
  • G06K19/06 - characterised by the kind of the digital marking
  • G06K19/06009 - with optically detectable marking
  • G06K2019/06234 - miniature-code
  • Y10S149/123 - Tagged compositions for identifying purposes
  • Y10S252/965 - Retrospective product identification
  • Y10T436/13 - Tracers or tags

• US Classifications

  • 149 - Explosive and thermic compositions or charges
  • 252 - Compositions
  • 436 - Chemistry: analytical and immunological testing