3682895

Information

• Patent Grant
• 3682895

• References
• Source

• Patent Number

  3,682,895

• Date Filed

  Not available

• Date Issued

  Tuesday, August 8, 1972
  52 years ago

• CPC

  • C07J7/009 - by only one oxygen atom doubly bound
  • C07J7/0095 - carbon in position 21 is part of carboxylic group
  • C07J9/005 - containing a carboxylic function directly attached or attached by a chain containing only carbon atoms to the cyclopenta[a]hydrophenanthrene skeleton
  • C07J19/00 - Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 by a lactone ring
  • C07J41/0094 - containing nitrile radicals, including thiocyanide radicals

• US Classifications

  • 540 - Organic compounds
  • 552 - Organic compounds