3821232

Information

• Patent Grant
• 3821232

• References
• Source

• Patent Number

  3,821,232

• Date Filed

  Not available

• Date Issued

  Friday, June 28, 1974
  50 years ago

• CPC

  • C23F11/167 - Phosphorus-containing compounds
  • C07F9/5535 - condensed with carbocyclic rings or ring systems
  • C07F9/58 - Pyridine rings
  • C07F9/591 - the phosphorus atom is bonded to a cyclic nitrogen atom, directly, through one or more heteroatoms or through a hydrocarbon chain which may be broken by one or more heteroatoms
  • C07F9/6561 - containing systems of two or more relevant hetero rings condensed among themselves or condensed with a common carbocyclic ring or ring system, with or without other non-condensed hetero rings
  • C09K8/54 - Compositions for in situ inhibition of corrosion in boreholes or wells
  • C23G1/066 - phosphorus-containing compounds
  • C02F2103/023 - Water in cooling circuits

• US Classifications

  • 546 - Organic compounds
  • 252 - Compositions
  • 987 - Organic compounds containing a bi, sb, as, or p atom or containing a metal atom of the 6th to 8th group of the periodic system