1917311

Information

• Patent Grant
• 1917311

• References
• Source

• Patent Number

  1,917,311

• Date Filed

  Not available

• Date Issued

  Tuesday, July 11, 1933
  91 years ago

• CPC

  • C07C205/61 - the carbon skeleton being further substituted by doubly-bound oxygen atoms
  • C07C51/363 - by introduction of halogen by substitution of halogen atoms by other halogen atoms
  • C07C65/34 - polycyclic
  • C07C201/08 - by substitution of hydrogen atoms by nitro groups
  • C07C227/04 - Formation of amino groups in compounds containing carboxyl groups
  • C07C229/66 - the carbon skeleton being further substituted by doubly-bound oxygen atoms

• US Classifications

  • 562 - Organic compounds