2649476

Information

• Patent Grant
• 2649476

• References
• Source

• Patent Number

  2,649,476

• Date Filed

  Not available

• Date Issued

  Tuesday, August 18, 1953
  71 years ago

• CPC

  • C07D251/52 - with an oxygen or sulfur atom attached to the third ring carbon atom
  • C07C273/1836 - from derivatives of carbamic acid
  • C07C309/51 - at least one of the nitrogen atoms being part of any of the groups , X being a hetero atom, Y being any atom
  • C07C335/04 - Derivatives of thiourea

• US Classifications

  • 562 - Organic compounds
  • 544 - Organic compounds