3657237

Information

• Patent Grant
• 3657237

• References
• Source

• Patent Number

  3,657,237

• Date Filed

  Not available

• Date Issued

  Tuesday, April 18, 1972
  52 years ago

• CPC

  • C07D285/10 - 1,2,5-Thiadiazoles Hydrogenated 1,2,5-thiadiazoles
  • C07C309/63 - Esters of sulfonic acids
  • C07D263/06 - with hydrocarbon radicals, substituted by oxygen atoms, attached to ring carbon atoms

• US Classifications

  • 544 - Organic compounds
  • 546 - Organic compounds
  • 548 - Organic compounds
  • 558 - Organic compounds