3819664

Information

• Patent Grant
• 3819664

• References
• Source

• Patent Number

  3,819,664

• Date Filed

  Not available

• Date Issued

  Tuesday, June 25, 1974
  50 years ago

• CPC

  • C09B3/74 - Preparation from starting materials already containing the benzo, naphtho-, or anthradianthrone nucleus
  • C09B3/00 - Dyes with an anthracene nucleus condensed with one or more carbocyclic rings
  • C09B3/30 - Preparation from starting materials already containing the dibenzanthrone or isodibenzanthrone nucleus
  • C09B3/44 - Preparation from starting materials already containing the pyranthrone nucleus
  • C09B3/64 - Preparation from starting materials already containing the anthanthrone nucleus
  • G03C1/675 - Compositions containing polyhalogenated compounds as photosensitive substances
  • G03C1/73 - containing organic compounds
  • G03G5/0605 - Carbocyclic compounds
  • G03G5/0609 - containing oxygen

• US Classifications

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