3639418

Information

• Patent Grant
• 3639418

• References
• Source

• Patent Number

  3,639,418

• Date Filed

  Not available

• Date Issued

  Tuesday, February 1, 1972
  52 years ago

• CPC

  • C08G73/0616 - with only two nitrogen atoms in the ring
  • C07D233/76 - with substituted hydrocarbon radicals attached to the third ring carbon atom
  • C08G18/3821 - Carboxylic acids; Esters thereof with monohydroxyl compounds
  • C08G63/6854 - derived from polycarboxylic acids and polyhydroxy compounds
  • C08L75/00 - Compositions of polyureas or polyurethanes Compositions of derivatives of such polymers
  • Y10S260/34 - Hydantoin

• US Classifications

  • 548 - Organic compounds
  • 260 - Chemistry of carbon compounds