1924443

Information

• Patent Grant
• 1924443

• References
• Source

• Patent Number

  1,924,443

• Date Filed

  Not available

• Date Issued

  Tuesday, August 29, 1933
  91 years ago

• CPC

  • C09B5/00 - Dyes with an anthracene nucleus condensed with one or more heterocyclic rings with or without carbocyclic rings
  • C07C17/12 - in the ring of aromatic compounds
  • C09B3/00 - Dyes with an anthracene nucleus condensed with one or more carbocyclic rings
  • C09B3/66 - by halogenation

• US Classifications

  • 552 - Organic compounds