3781290

Information

• Patent Grant
• 3781290

• References
• Source

• Patent Number

  3,781,290

• Date Filed

  Not available

• Date Issued

  Tuesday, December 25, 1973
  51 years ago

• CPC

  • C07C335/20 - being further substituted by nitrogen atoms, not being part of nitro or nitroso groups
  • C07C335/16 - having nitrogen atoms of thiourea groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
  • C07C335/18 - being further substituted by singly-bound oxygen atoms
  • C07D203/24 - Sulfur atoms

• US Classifications

  • 544 - Organic compounds
  • 546 - Organic compounds
  • 558 - Organic compounds
  • 560 - Organic compounds
  • 564 - Organic compounds