3917590

Information

• Patent Grant
• 3917590

• References
• Source

• Patent Number

  3,917,590

• Date Filed

  Not available

• Date Issued

  Tuesday, November 4, 1975
  49 years ago

• CPC

  • C07D501/04 - from compounds already containing the ring or condensed ring systems
  • A61K31/545 - Compounds containing 5-thia-1-azabicyclo [4.2.0] octane ring systems, i.e. compounds containing a ring system of the formula:
  • C07D501/18 - 7-Aminocephalosporanic or substituted 7-aminocephalosporanic acids
  • C07D501/28 - with the 7-amino radical acylated by an aliphatic carboxylic acid, which is substituted by hetero atoms
  • C07D501/32 - with the 7-amino radical acylated by an araliphatic carboxylic acid, which is substituted on the aliphatic radical by hetero atoms
  • F23J13/08 - Doors or covers specially adapted for smoke-boxes, flues, or chimneys

• US Classifications

  • 540 - Organic compounds