2239565

Information

• Patent Grant
• 2239565

• References
• Source

• Patent Number

  2,239,565

• Date Filed

  Not available

• Date Issued

  Tuesday, April 22, 1941
  83 years ago

• CPC

  • C07D211/82 - with only hydrogen atoms, hydrocarbon or substituted hydrocarbon radicals, directly attached to ring carbon atoms
  • C07C309/16 - containing doubly-bound nitrogen atoms bound to the carbon skeleton

• US Classifications

  • 534 - Organic compounds
  • 540 - Organic compounds
  • 562 - Organic compounds