3641161

Information

• Patent Grant
• 3641161

• References
• Source

• Patent Number

  3,641,161

• Date Filed

  Not available

• Date Issued

  Tuesday, February 8, 1972
  52 years ago

• CPC

  • C07C323/00 - Thiols, sulfides, hydropolysulfides or polysulfides substituted by halogen, oxygen or nitrogen atoms, or by sulfur atoms not being part of thio groups
  • C07C29/147 - of carboxylic acids or derivatives thereof
  • C07C37/002 - by transformation of a functional group
  • C07C37/055 - the substituted group being bound to oxygen
  • C07C39/14 - with at least one hydroxy group on a condensed ring system containing two rings
  • C07C39/225 - with at least one hydroxy group on a condensed ring system
  • C07C43/23 - containing hydroxy or O-metal groups
  • C07C45/64 - by introduction of functional groups containing oxygen only in singly bound form
  • C07D307/20 - Oxygen atoms
  • C07D309/10 - Oxygen atoms
  • C07D309/12 - Only hydrogen atoms and one oxygen atom directly attached to ring carbon atoms

• US Classifications

  • 568 - Organic compounds
  • 549 - Organic compounds
  • 560 - Organic compounds