2072867

Information

• Patent Grant
• 2072867

• References
• Source

• Patent Number

  2,072,867

• Date Filed

  Not available

• Date Issued

  Tuesday, March 9, 1937
  87 years ago

• CPC

  • C07C50/20 - with unsaturation outside the ring system
  • C07C1/325 - the hetero-atom being a metal atom
  • C07C1/326 - the hetero-atom being a magnesium atom
  • C07C11/18 - Isoprene
  • C07C15/40 - substituted by unsaturated carbon radicals
  • C07C15/44 - the hydrocarbon substituent containing a carbon-to-carbon double bond
  • C07C46/02 - by oxidation giving rise to quinoid structures
  • C07C49/683 - having unsaturation outside the aromatic rings
  • C07C50/16 - the quinoid structure being part of a condensed ring system containing three rings
  • C08F36/04 - conjugated

• US Classifications

  • 526 - Synthetic resins or natural rubbers
  • 260 - Chemistry of carbon compounds
  • 552 - Organic compounds
  • 585 - Chemistry of hydrocarbon compounds