2309969

Information

• Patent Grant
• 2309969

• References
• Source

• Patent Number

  2,309,969

• Date Filed

  Not available

• Date Issued

  Tuesday, February 2, 1943
  82 years ago

• CPC

  • C07C309/28 - having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton

• US Classifications

  • 554 - Organic compounds
  • 548 - Organic compounds