2541473

Information

• Patent Grant
• 2541473

• References
• Source

• Patent Number

  2,541,473

• Date Filed

  Not available

• Date Issued

  Tuesday, February 13, 1951
  73 years ago

• CPC

  • C07D295/116 - with the doubly bound oxygen or sulfur atoms directly attached to a carbocyclic ring
  • C07C225/30 - of condensed quinone ring systems formed by two rings
  • C07D211/32 - by oxygen atoms

• US Classifications

  • 546 - Organic compounds
  • 250 - Radiant energy
  • 544 - Organic compounds
  • 549 - Organic compounds
  • 552 - Organic compounds