3256248

Information

• Patent Grant
• 3256248

• References
• Source

• Patent Number

  3,256,248

• Date Filed

  Not available

• Date Issued

  Tuesday, June 14, 1966
  58 years ago

• CPC

  • C07D291/04 - Five-membered rings
  • C07D203/20 - by carbonic acid, or by sulfur or nitrogen analogues thereof
  • C07D207/325 - with substituted hydrocarbon radicals directly attached to the ring nitrogen atom
  • C07D209/86 - with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to carbon atoms of the ring system
  • C07D257/04 - Five-membered rings
  • C07D295/205 - Radicals derived from carbonic acid
  • C07D473/00 - Heterocyclic compounds containing purine ring systems
  • C08F18/22 - Esters containing nitrogen
  • C11B9/0092 - containing only N as heteroatom

• US Classifications

  • 526 - Synthetic resins or natural rubbers
  • 540 - Organic compounds
  • 544 - Organic compounds
  • 546 - Organic compounds
  • 548 - Organic compounds
  • 560 - Organic compounds