2629731

Information

• Patent Grant
• 2629731

• References
• Source

• Patent Number

  2,629,731

• Date Filed

  Not available

• Date Issued

  Tuesday, February 24, 1953
  72 years ago

• CPC

  • D06M13/285 - Phosphines Phosphine oxides Phosphine sulfides Phosphinic or phosphinous acids or derivatives thereof
  • C07F9/3252 - containing the structure -C(=X)-P(=X)(R)(XR), (X = O, S, Se)
  • C07F9/4065 - Esters of acids containing the structure -C(=X)-P(=X)(XR)2, (X = O, S, Se)
  • C10M1/08 - with additives
  • D06M13/288 - Phosphonic or phosphonous acids or derivatives thereof
  • C10M2207/282 - of (cyclo)aliphatic oolycarboxylic acids
  • C10M2207/34 - Esters having a hydrocarbon substituent of thirty or more carbon atoms
  • C10M2209/103 - Polyethers
  • C10M2223/065 - containing sulfur
  • C10N2240/08 - Hydraulic fluids
  • C10N2250/10 - Semi-solids or greases

• US Classifications

  • 558 - Organic compounds
  • 252 - Compositions
  • 508 - Solid anti-friction devices, materials therefor, lubricant or separant compositions for moving solid surfaces, and miscellaneous mineral oil compositions
  • 562 - Organic compounds
  • 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