2999869

Information

• Patent Grant
• 2999869

• References
• Source

• Patent Number

  2,999,869

• Date Filed

  Not available

• Date Issued

  Tuesday, September 12, 1961
  63 years ago

• CPC

  • C07C309/28 - having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
  • C07C309/38 - formed by at least three rings

• US Classifications

  • 552 - Organic compounds