3905958

Information

• Patent Grant
• 3905958

• References
• Source

• Patent Number

  3,905,958

• Date Filed

  Not available

• Date Issued

  Tuesday, September 16, 1975
  49 years ago

• CPC

  • C07D345/00 - Heterocyclic compounds containing rings having selenium or tellurium atoms as the only ring hetero atoms
  • G03G5/062 - containing non-metal elements other than hydrogen, halogen, oxygen or nitrogen
  • G03G5/0627 - being five-membered
  • G03G5/0635 - being six-membered
  • G03G5/0642 - being more than six-membered

• US Classifications

  • 540 - Organic compounds
  • 528 - Synthetic resins or natural rubbers
  • 544 - Organic compounds
  • 546 - Organic compounds
  • 548 - Organic compounds
  • 549 - Organic compounds