3691210

Information

• Patent Grant
• 3691210

• References
• Source

• Patent Number

  3,691,210

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1972
  52 years ago

• CPC

  • G03C8/18 - Dye developers
  • C07C37/055 - the substituted group being bound to oxygen
  • C07C43/2055 - containing more than one ether bond
  • C07C45/62 - by hydrogenation of carbon-to-carbon double or triple bonds
  • C07C45/74 - combined with dehydration
  • C07C49/255 - containing ether groups, groups, groups, or groups
  • C09B1/06 - Preparation from starting materials already containing the anthracene nucleus
  • C09B1/503 - unsubstituted amino-hydroxy anthraquinone
  • C09B1/515 - N-alkyl, N-aralkyl or N-cycloalkyl derivatives
  • G03C5/3021 - with oxydisable hydroxyl or amine groups linked to an aromatic ring

• US Classifications

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