2156141

Information

• Patent Grant
• 2156141

• References
• Source

• Patent Number

  2,156,141

• Date Filed

  Not available

• Date Issued

  Tuesday, April 25, 1939
  85 years ago

• CPC

  • C07D213/73 - Unsubstituted amino or imino radicals
  • C09B29/3617 - containing a six-membered heterocyclic with only one nitrogen as heteroatom

• US Classifications

  • 534 - Organic compounds
  • 252 - Compositions