2678931

Information

• Patent Grant
• 2678931

• References
• Source

• Patent Number

  2,678,931

• Date Filed

  Not available

• Date Issued

  Tuesday, May 18, 1954
  70 years ago

• CPC

  • C07C61/28 - polycyclic

• US Classifications

  • 549 - Organic compounds
  • 562 - Organic compounds