1711860

Information

• Patent Grant
• 1711860

• References
• Source

• Patent Number

  1,711,860

• Date Filed

  Not available

• Date Issued

  Tuesday, May 7, 1929
  95 years ago

• CPC

  • C07C309/46 - having the sulfo groups bound to carbon atoms of non-condensed six-membered aromatic rings
  • C07C229/66 - the carbon skeleton being further substituted by doubly-bound oxygen atoms
  • C07C233/00 - Carboxylic acid amides
  • C07C2101/16 - The ring being unsaturated

• US Classifications

  • 552 - Organic compounds
  • 008 - Bleaching and dyeing