3480646

Information

• Patent Grant
• 3480646

• References
• Source

• Patent Number

  3,480,646

• Date Filed

  Not available

• Date Issued

  Tuesday, November 25, 1969
  55 years ago

• CPC

  • C07C309/36 - substituted by alkyl groups
  • C07C37/04 - by substitution of SO3H groups or a derivative thereof
  • C07C37/045 - by substitution of a group bound to the ring by nitrogen
  • C07C37/52 - by splitting polyaromatic compounds
  • C07C51/16 - by oxidation
  • C07C51/255 - of compounds containing six-membered aromatic rings without ring-splitting
  • C07C51/265 - having alkyl side chains which are oxidised to carboxyl groups
  • C07C51/367 - by introduction of functional groups containing oxygen only in singly bound form
  • C07C63/74 - having unsaturation outside the aromatic rings
  • C07C65/19 - having unsaturation outside the aromatic ring
  • C07C205/06 - having nitro groups bound to carbon atoms of six-membered aromatic rings
  • C07C205/12 - the six-membered aromatic ring or a condensed ring system containing that ring being substituted by halogen atoms
  • C07C205/57 - having nitro groups and carboxyl groups bound to carbon atoms of six-membered aromatic rings of the carbon skeleton
  • C07C205/58 - the carbon skeleton being further substituted by halogen atoms
  • C07C2103/90 - containing more than four rings

• US Classifications

  • 549 - Organic compounds
  • 252 - Compositions
  • 534 - Organic compounds
  • 562 - Organic compounds
  • 564 - Organic compounds
  • 568 - Organic compounds
  • 570 - Organic compounds