1982675

Information

• Patent Grant
• 1982675

• References
• Source

• Patent Number

  1,982,675

• Date Filed

  Not available

• Date Issued

  Tuesday, December 4, 1934
  90 years ago

• CPC

  • C07C231/04 - from ketenes by reaction with ammonia or amines
  • C07C235/80 - having carbon atoms of carboxamide groups and keto groups bound to the same carbon atom
  • C07C2101/16 - The ring being unsaturated

• US Classifications

  • 564 - Organic compounds