2773868

Information

• Patent Grant
• 2773868

• References
• Source

• Patent Number

  2,773,868

• Date Filed

  Not available

• Date Issued

  Tuesday, December 11, 1956
  67 years ago

• CPC

  • C07J33/00 - Normal steroids having a sulfur-containing hetero ring spiro-condensed or not condensed with the cyclopenta(a)hydrophenanthrene skeleton
  • C07J5/00 - Normal steroids containing carbon, hydrogen, halogen or oxygen, substituted in position 17 beta by a chain of two carbon atoms, e.g. pregnane and substituted in position 21 by only one singly bound oxygen atom
  • C07J17/00 - Normal steroids containing carbon, hydrogen, halogen or oxygen, having an oxygen-containing hetero ring not condensed with the cyclopenta(a)hydrophenanthrene skeleton
  • C07J75/00 - Processes for the preparation of steroids in general
  • A63F2003/00873 - with different colours on the opposite sides

• US Classifications

  • 540 - Organic compounds
  • 552 - Organic compounds