3212971

Information

• Patent Grant
• 3212971

• References
• Source

• Patent Number

  3,212,971

• Date Filed

  Not available

• Date Issued

  Tuesday, October 19, 1965
  59 years ago

• CPC

  • C07J43/003 - not condensed
  • C07J41/0033 - not covered by C07J41/0005
  • C07J41/0072 - the A ring of the steroid being aromatic

• US Classifications

  • 514 - Drug, bio-affecting and body treating compositions
  • 540 - Organic compounds
  • 552 - Organic compounds