3901879

Information

• Patent Grant
• 3901879

• References
• Source

• Patent Number

  3,901,879

• Date Filed

  Not available

• Date Issued

  Tuesday, August 26, 1975
  50 years ago

• CPC

  • C07D513/04 - Ortho-condensed systems
  • C07D243/22 - Sulfur atoms
  • C07D515/00 - Heterocyclic compounds containing in the condensed system at least one hetero ring having nitrogen, oxygen, and sulfur atoms as the only ring hetero atoms, not provided for in groups C07D463/00, C07D477/00 or C07D499/00 - C07D507/00

• US Classifications

  • 540 - Organic compounds