3198844

Information

• Patent Grant
• 3198844

• References
• Source

• Patent Number

  3,198,844

• Date Filed

  Not available

• Date Issued

  Tuesday, August 3, 1965
  59 years ago

• CPC

  • C07D471/22 - in which the condensed system contains four or more hetero rings
  • C07C2/00 - Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
  • C07C2/76 - by condensation of hydrocarbons with partial elimination of hydrogen
  • C07C13/70 - with a condensed ring system consisting of at least two, mutually uncondensed aromatic ring systems, linked by an annular structure formed by carbon chains on non-adjacent positions of the aromatic ring
  • C07C2103/92 - with a condensed ring system consisting of at least two mutually uncondensed aromatic ring systems, linked by an annular structure formed by carbon chains on non-adjacent positions of the aromatic system

• US Classifications

  • 585 - Chemistry of hydrocarbon compounds
  • 526 - Synthetic resins or natural rubbers
  • 546 - Organic compounds
  • 570 - Organic compounds