2931807

Information

• Patent Grant
• 2931807

• References
• Source

• Patent Number

  2,931,807

• Date Filed

  Not available

• Date Issued

  Tuesday, April 5, 1960
  64 years ago

• CPC

  • C07J9/00 - Normal steroids containing carbon, hydrogen, halogen or oxygen substituted in position 17 beta by a chain of more than two carbon atoms
  • C07J7/0015 - not substituted in position 17 alfa
  • C07J9/005 - containing a carboxylic function directly attached or attached by a chain containing only carbon atoms to the cyclopenta[a]hydrophenanthrene skeleton
  • C07J71/0005 - Oxygen-containing hetero ring

• US Classifications

  • 540 - Organic compounds
  • 552 - Organic compounds