2026647

Information

• Patent Grant
• 2026647

• References
• Source

• Patent Number

  2,026,647

• Date Filed

  Not available

• Date Issued

  Tuesday, January 7, 1936
  89 years ago

• CPC

  • C09B5/58 - by halogenation
  • C07D241/36 - condensed with carbocyclic rings or ring systems
  • C09B5/48 - Bis-anthraquinonediazines (indanthrone)

• US Classifications

  • 544 - Organic compounds