3471528

Information

• Patent Grant
• 3471528

• References
• Source

• Patent Number

  3,471,528

• Date Filed

  Not available

• Date Issued

  Tuesday, October 7, 1969
  55 years ago

• CPC

  • A61K31/573 - substituted in position 21
  • A61K31/565 - not substituted in position 17 beta by a carbon atom
  • A61K31/57 - substituted in position 17 beta by a chain of two carbon atoms
  • B26B21/18 - involving blades with two cutting edges
  • C07J1/00 - Normal steroids containing carbon, hydrogen, halogen or oxygen, not substituted in position 17 beta by a carbon atom

• US Classifications

  • 552 - Organic compounds