2677691

Information

• Patent Grant
• 2677691

• References
• Source

• Patent Number

  2,677,691

• Date Filed

  Not available

• Date Issued

  Tuesday, May 4, 1954
  70 years ago

• CPC

  • C07D277/74 - Sulfur atoms substituted by carbon atoms
  • C07D417/02 - containing two hetero rings

• US Classifications

  • 548 - Organic compounds