2803652

Information

• Patent Grant
• 2803652

• References
• Source

• Patent Number

  2,803,652

• Date Filed

  Not available

• Date Issued

  Tuesday, August 20, 1957
  67 years ago

• CPC

  • C07C309/50 - having at least one of the sulfo groups bound to a carbon atom of a six-membered aromatic ring being part of a condensed ring system

• US Classifications

  • 562 - Organic compounds
  • 534 - Organic compounds