2920073

Information

• Patent Grant
• 2920073

• References
• Source

• Patent Number

  2,920,073

• Date Filed

  Not available

• Date Issued

  Tuesday, January 5, 1960
  65 years ago

• CPC

  • C07J71/00 - Steroids in which the cyclopenta(a)hydrophenanthrene skeleton is condensed with a heterocyclic ring
  • C07J75/00 - Processes for the preparation of steroids in general
  • C12P33/00 - Preparation of steroids
  • C12P33/10 - at 11 alpha-position
  • Y10S435/939 - Rhizopus

• US Classifications

  • 540 - Organic compounds
  • 435 - Chemistry: molecular biology and microbiology
  • 552 - Organic compounds