1919580

Information

• Patent Grant
• 1919580

• References
• Source

• Patent Number

  1,919,580

• Date Filed

  Not available

• Date Issued

  Tuesday, July 25, 1933
  91 years ago

• CPC

  • C07C215/76 - of the same non-condensed six-membered aromatic ring
  • C07C43/225 - containing halogen
  • C07C205/36 - to carbon atoms of the same non-condensed six-membered aromatic ring or to carbon atoms of six-membered aromatic rings being part of the same condensed ring system
  • C07C211/52 - the carbon skeleton being further substituted by halogen atoms or by nitro or nitroso groups
  • C07C2101/16 - The ring being unsaturated

• US Classifications

  • 564 - Organic compounds
  • 568 - Organic compounds