1932179

Information

• Patent Grant
• 1932179

• References
• Source

• Patent Number

  1,932,179

• Date Filed

  Not available

• Date Issued

  Tuesday, October 24, 1933
  91 years ago

• CPC

  • C07C309/55 - Y being a hydrogen or a carbon atom
  • C07C309/28 - having sulfo groups bound to carbon atoms of six-membered aromatic rings of a carbon skeleton
  • C07C2101/16 - The ring being unsaturated
  • C07C2102/10 - The other ring being six-membered (e.d. tetraline)

• US Classifications

  • 554 - Organic compounds
  • 558 - Organic compounds
  • 562 - Organic compounds