3220846

Information

• Patent Grant
• 3220846

• References
• Source

• Patent Number

  3,220,846

• Date Filed

  Not available

• Date Issued

  Tuesday, November 30, 1965
  59 years ago

• CPC

  • G03C1/615 - Substances generating bases
  • B41M5/323 - Organic colour formers
  • C07C53/16 - Halogenated acetic acids
  • C07C53/18 - containing fluorine
  • C07C53/21 - containing fluorine
  • C07D213/18 - Salts thereof
  • C07D213/26 - Radicals substituted by halogen atoms or nitro radicals
  • C07D295/027 - containing only one hetero ring
  • G03C1/42 - Developers or their precursors
  • Y10S430/145 - Infrared

• US Classifications

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